Quick Marathon FL MLS Search

Browse All Marathon FL Single Family Properties for Sale

11285 3rd Ave, Marathon
$890,000
3 Beds ⋅ 2 Baths ⋅ 621222 MLS
This is currently the LOWEST PRICED Boatable Canal Front 3-Bedroom Home in all of Marathon FL & it happens to be located on the highly desirable Gulf side of US 1. Boaters will appreciate the 4-foot control depth that provides Open Water Access in just a few minutes to the Gulf of America and less than 10 minutes to the Atlantic Ocean. In place is a Concrete Seawall with approximately 77 foot of water frontage, allowing this property to easily accommodate larger center consoles. This Concrete Block home features 3 beds, 2 baths, 1242 sqft living with a Metal Roof, Concrete Driveway and plenty of Room to Park a RV, Boat Trailer, which is a rare commodity in Marathon. The 8,485 sqft lot offers plenty of room to add a pool. Currently the home offers original 1960's charm offering so much opportunity for the right buyer to transform it into a Modern Coastal Retreat, which is why we just added Virtual Renovations showing what could be done. At its current list price, there is a huge upside as the house right next door at 11295 3rd Avenue Gulf just sold for $1.45M, you have a unique opportunity to acquire, make smart renovations and be sitting on strong positive equity if done right. Due to the lot size, you can even choose to knock down the existing house and build a Brand-New Modern home to your exact specs and take advantage of the deep-water canal. We currently have plans for homes ranging from 1750 sqft to just below 4000 from the well-respected local builders, Design Center. We also have local lenders in place to offer construction financing up to 80%. So much potential and routes you can with this one, NO LOW BALL OFFERS, THIS HOME IS PRICED TO SELL!!!

11285 3rd Ave, Marathon

875 50th St, Marathon
$5,499,000
5 Beds ⋅ 5 Baths ⋅ 621212 MLS
At the very tip of a private peninsula in the heart of the Florida Keys, this stunning Gulffront property delivers the ultimate waterfront lifestyle. Built in 2022, this 4,146 sq. ft. Coastal Modern residence was crafted by one of Marathon's premier builders with meticulous attention to detail, blending clean architectural lines with the relaxed elegance of island living. From the moment you arrive, the Gulf is your constant backdrop. Expansive walls of glass flood the interiors with natural light and frame endless turquoise waters. Every living area, from the two spacious lounges to the gourmet kitchen, was designed to maximize the view and the connection to the outdoors. The chef's kitchen is both beautiful and functional, featuring waterfall-edge quartz counters, premium stainless appliances, and abundant prep space. Whether hosting a casual brunch or an elegant dinner, this open-concept space flows seamlessly to indoor and outdoor gathering areas. Five ensuite bedrooms provide private sanctuaries for family and guests. The primary suite is a haven unto itself, offering a sitting area, spa-inspired bath, and a private porch where morning coffee comes with dolphin sightings and golden sunrises. Step outside to a personal resort: a shimmering pool with sun shelf, expansive patios for lounging, and a palm-lined peninsula with a fire pit at its tip. A deep-water dock, private boat basin, and 4-post lift make boating effortless, with 5' control depth ensuring smooth access to open water. This home offers the convenience of an elevator, an oversized 2-car garage, and low-maintenance construction designed for coastal living. Located 5 minutes from Marathon Jet Center, you can go from tarmac to tiki torch in record time. Whether it's a weekend escape, seasonal retreat, or full-time residence, this Gulf Front estate offers something truly rare: privacy, luxury, and the beauty of the Keys wrapped into one extraordinary address. Fantastic Rental History. Offer Turnkey.

875 50th St, Marathon

11295 6th Ave, Marathon
$1,125,000
3 Beds ⋅ 2 Baths ⋅ 621176 MLS
Welcome to 11295 6th Ave Gulf -- a waterfront corner lot in one of Marathon's best-kept-secret neighborhoods. Nestled on a quiet street directly across from a nature preserve, this 3-bedroom, 2-bath canal home delivers something almost impossible to find in the Keys: real privacy, real waterfront, and real potential. Eighty feet of deep-water canal frontage on an oversized 8,000 sq ft corner lot. One canal from the Gulf of America with 10-minute access to Vaca Cut -- your gateway to world-class offshore fishing, diving, lobstering, and reef exploration. The spacious vaulted-ceiling screened porch overlooking the canal is where you'll spend every morning and evening. A 385 sq ft concrete dock with davits is ready for your boat. The corner lot provides ample parking for trailers, vehicles, and toys -- a true premium in the Keys. This is also a performing investment property. The home operates as an active vacation rental on Airbnb and VRBO with verified income. Sold fully furnished and turnkey -- a new owner can generate income from day one. Recent updates include a new 2025 HVAC system, 2025 impact sliding glass door, hurricane shutters on all windows, and all furnishings included. The home is solid, comfortable, and rental-ready as-is -- with room to add your own personal touches and make it truly yours. For the visionary buyer: build up on this premium corner lot and you could be rewarded with Gulf of America views. An elevated waterfront home on this lot -- with a nature preserve across the street and 80 feet of canal -- would be one of the most compelling properties in Marathon. The location is irreplaceable. The potential is limitless. Come see it.

11295 6th Ave, Marathon

171 Ave D, Marathon
$2,395,000
4 Beds ⋅ 3 Baths ⋅ 621168 MLS
New construction waterfront living in the heart of Coco Plum. This beautifully designed 4-bedroom, 3-bath residence combines modern coastal style, exceptional outdoor living, and direct boating access in one of Marathon's most desirable waterfront neighborhoods. Thoughtfully positioned to take advantage of the setting, the home offers expansive open-water views from nearly every room and a bright, open-concept layout designed for both everyday living and entertaining. The main living level features a spacious living and dining area surrounded by natural light and water views, along with two guest bedrooms and a full bath. Upstairs, two generously sized primary suites each feature private en-suite baths and elevated panoramic views, creating peaceful private retreats above the water. Outdoor living is a true highlight, with three covered terraces spanning both levels, a large resort-style pool, and a convenient poolside prep station with sink and storage. Whether hosting guests, relaxing by the pool, or enjoying a quiet morning overlooking the water, the home is designed to embrace the Florida Keys lifestyle. Boaters will appreciate approximately 50 feet of deep-water dockage with quick ocean access, along with a fish-cleaning station, bait freezer, and covered parking for added convenience. Ideally located near Coco Plum Beach and just minutes from Marathon's dining, shopping, and attractions, this newly constructed waterfront residence offers an exceptional combination of modern comfort, boating access, privacy, and island living, perfect as a full-time residence, vacation retreat, or investment property.

171 Ave D, Marathon

235 Tropical Ave, Marathon
$1,150,000
4 Beds ⋅ 3 Baths ⋅ 621156 MLS
Tucked into the natural landscape of Grassy Key, 235 Tropical Avenue offers a unique combination of space, privacy and the unhurried character that defines life in the Middle Keys. Set on a 15,000-square-foot lot in Crains Subdivision, this concrete stilted residence offers more than 3,600 square feet of living space, impact windows and doors, and generous indoor-outdoor areas designed around the Florida Keys lifestyle. An expansive open layout creates room to gather, entertain and settle in comfortably, with multiple living spaces and an easy connection to the outdoors. Lush native vegetation surrounds the property, creating a remarkable sense of privacy and seclusion. The partially fenced backyard centers around an inviting in-ground pool with waterfall, tanning shelf and water features, setting the stage for long afternoons outside and evenings under the palms. Ample parking provides room for multiple vehicles and boat trailers, an especially valuable feature for enjoying life on the water. Above it all, a rooftop observation deck captures ocean views and a beautiful perspective across Grassy Key. Watch the light change over the horizon and native birds gather around the natural salt ponds behind the property. Crains Subdivision also offers a community sunset park, while a public boat ramp is just minutes away for convenient access to the surrounding waters. Centrally positioned between Marathon, Duck Key and Islamorada, the home is convenient to Curry Hammock State Park, Dolphin Research Center, waterfront dining, marinas, fishing, diving, paddling and the Florida Keys Overseas Heritage Trail. Whether envisioned as a full-time residence or a private Florida Keys retreat, 235 Tropical Avenue feels connected to its surroundings, offering a spacious and secluded setting from which to experience the water, wildlife and easy rhythm of Grassy Key.

235 Tropical Ave, Marathon

390 25th St, Marathon
$725,000
3 Beds ⋅ 2 Baths ⋅ 621127 MLS
Welcome to effortless Keys living in the heart of Marathon! This charming canal-front 3 bed/ 2 bath single-family home blends coastal-chic style, boating, comfort, and convenience in one easy-to-enjoy package. Designed for a turn-key, low-maintenance lifestyle, the home is elevated above flood and features impact windows and doors, a new metal roof (2024), newer A/C (2021), an on-demand water heater, and was tented in 11/2024. Step inside to a bright, open-concept floor plan where modern coastal finishes complement the home's relaxed Keys character. Updates include wood style luxury vinyl plank flooring, stainless steel appliances, granite countertops, and a new washer and dryer. Both the primary and guest bathrooms have a fresh, modern feel with stylish tile, updated vanities, lighted mirrors, and glass shower enclosures. The comfortable layout works beautifully for everyday living, entertaining, or welcoming guests. Outside is where the Keys lifestyle really comes alive. Enjoy approximately 37.7 feet of solid concrete dockage on a canal with deeper water depth, creating a great setup for boaters. From here, you'll have convenient access to both the Atlantic Ocean and Gulf via the Seven Mile Bridge. After a successful day on the water, clean your catch at the fish-cleaning station with outdoor sink, then relax in the shade on the expansive east-facing porch with composite Trex decking & enjoy the tropical breezes. The property also offers a private fenced side area for additional storage, plus convenient access to a nearby public boat ramp, city park with community events & festivals, Boot Key Harbor, shopping, and restaurants. No HOA adds even more flexibility. With weekly (7-day) rentals allowed, this property offers excellent versatility as a full-time residence, second home, or vacation rental/investment property. Move-in ready, furnished, weather-ready, and filled with Keys charm, this Marathon waterfront home is ready to become your next Keys getaway...

390 25th St, Marathon

275 30th St, Marathon
$1,349,000
3 Beds ⋅ 2 Baths ⋅ 621089 MLS
Canal-front living takes center stage at this 3-bedroom, 2-bath Marathon retreat, where boating, outdoor living, and relaxed island style come together in one inviting setting. The bright interior features an open living, dining, and kitchen layout with warm flooring, abundant natural light, and an easy flow for everyday living and entertaining. The kitchen is finished with white cabinetry, granite countertops, stainless-steel appliances, a spacious peninsula, and a coastal-inspired backsplash. One of the home's standout features is the expansive covered and screened balcony, offering a comfortable shaded space for dining, entertaining, or simply relaxing while enjoying the tropical surroundings and views toward the canal. From there, the living space continues outdoors to the waterfront below, where generous dockage provides convenient access to the water. The private pool and surrounding patio create a true backyard retreat, with additional covered space beneath the home for lounging, entertaining, and storing all the gear that comes with life in the Keys. A spacious paver driveway and covered parking add even more convenience. Additional features include a metal roof, updated windows and doors, renovated kitchen and bathrooms, paver driveway, private pool and patio, and covered parking beneath the home. Offered furnished, this waterfront home is ready to enjoy as a full-time residence, vacation getaway, or income-producing vacation rental. With its canal-front setting, private pool, expansive screened outdoor living space, and easy access to the water, it offers an appealing combination of Florida Keys lifestyle and investment potential.

275 30th St, Marathon

1590 Pelican Pass, Marathon
$4,999,999
5 Beds ⋅ 5 Baths ⋅ 621022 MLS
Looking for one of the most unique Bayfront Estates in the Florida keys, well you just found it. Just over 3 acres located on the Gulf of America. What makes the property so unique first and foremost is the privacy it offers. Upon entering the double gate, you are surrounded by huge trees, heavy foliage and vegetation which provides you with complete privacy. There are walking trails all through the entire property, including out to the Bayfront to enjoy some of the most spectacular year round sunsets you will ever see. The property directly to the North is a preserve called, Crane Point Hammock and Museum & Nature Trails. The subject property boasts its own huge boat basin with new custom Ipe wooden dock to accommodate large vessels and/or multiple vessels with two 50 AMP services, all the power you may need. There is a separate dock and slip tucked inside the private boat basin the owner had custom built for his 52 foot Viking Express. There is also a 20,000 pound boat lift and a small boat ramp for your flats skiff. The main home has that Old Florida Charm, three bedrooms, two baths and great room with exposed beams and tongue and groove ceilings. Take the stairs up you your private master retreat with spectacular views overlooking your private basin and the bay. The home also offers three screened lanais with water views. Attached to the main home is a private, separate entrance apartment with bedroom, bathroom and kitchen for complete privacy from the main living quarters. Across the pavered driveway is the detached three car garage and above offers a 1 bedroom, 1 bath, living room and kitchenette. The property is located 1.5 miles South of Marathon International Airport to make it easy for pilots and chartered jets and prop planes to come and go from this one of a kind Estate. Easy access to the Atlantic Ocean. Looking for peace, privacy and serene relaxing Florida Bay and sunsets views? You just found it!!

1590 Pelican Pass, Marathon

211 S Anglers Dr, Marathon
$2,395,000
4 Beds ⋅ 3 Baths ⋅ 621014 MLS
Fantastic opportunity in Marathon's desirable Sombrero Beach area! Built in 2020, this beautifully designed 4-bedroom, 3-bath waterfront pool home offers 2,464 sq. ft. of comfortable living space and 100ft of dockage for ultimate enjoyment of boating, outdoor living and the easy, island atmosphere you come to the Keys for! Fully furnished and thoughtfully appointed - the open kitchen, dining and living area create an easy gathering space for family and friends, while spacious waterfront balconies on both levels invite you outside to enjoy the views and tropical breezes. On this level you also have a guest bedroom, full bath and separate laundry room for convenience. On the top floor, an ample primary suite offers an en-suite bath, walk in closet & covered balcony. Just down the hall there are 2 more sizable guest bedrooms and a spacious hall bath. Downstairs, the covered entertainment area extends the living space outdoors--perfect for relaxing after a day on the water, entertaining around the pool or simply enjoying life at a slower pace. Store your water toys fishing & boating accessories securely in the garage for easy access. The 10,000sqft lot allows for plenty of parking etc. For the boater, 100 feet of composite dockage along a serene canal provides direct access to open water. And when the beach is calling, beautiful sandy Sombrero Beach is just a short walk away. Central Marathon location is close to shopping, dining, attractions & more. Whether you're searching for a full-time Keys home, a vacation retreat or an investment property, this custom home offers the flexibility to enjoy it your way. Currently operating as an active weekly vacation rental, offering the added ease & opportunity for income when you're not here enjoying it yourself. Come experience the beauty of ocean life - the easy pace, boating and beach days that make living in the heart of the Florida Keys so special.

211 S Anglers Dr, Marathon

813 39th St Gulf St, Marathon
$3,795,000
5 Beds ⋅ 4 Baths ⋅ 620953 MLS
NEW CONSTRUCTION | FULLY FURNISHED | 45' BOAT SLIP | OPEN GULF VIEWS Experience elevated Florida Keys living in this newly constructed, fully furnished 5-bedroom, 4-bath waterfront residence in the exclusive gated community of Emerald Flats. Perfectly positioned with unobstructed open Gulf views and no rear neighbors, this exceptional home combines privacy, luxury, and outstanding boating access. Designed to maximize its spectacular waterfront setting, the home features two primary suites, each opening to a full-length deck with breathtaking sunrise and open-water views. Enjoy seamless indoor-outdoor living with a private pool, sandy beach area, and deeded 45' boat slip offering protected deep-water dockage just steps from your door. Home is prepped with an elevator shaft which currenly offers locking owners/ additional storage. Beautifully appointed and offered completely turnkey, the residence is currently operating as a successful vacation rental with an established rental history, providing the opportunity for immediate income while still serving as an exceptional personal retreat. Ideally located in the heart of Marathon, just minutes from world-class fishing, seconds from 7 mile bridge, boating, waterfront dining, beaches, and everything the Florida Keys lifestyle has to offer. A rare opportunity to own a new-construction, turnkey Gulf-front home with spectacular open-water views, dual primary suites, exceptional boating access, and income potential.

813 39th St Gulf St, Marathon

1 E Sister Rock Is, Marathon
$16,000,000
4 Beds ⋅ 3 Baths ⋅ 620952 MLS
Own an entire private island in the heart of the Florida Keys. Located just ÂĽ mile offshore from Marathon, East Sister Rock Island offers extraordinary privacy surrounded by turquoise waters, yet remains only minutes from the mainland. The property encompasses approximately 6.5 acres, including approximately 5.8 acres of surrounding seabed that create an exceptional marine setting for snorkeling, swimming, kayaking, paddle boarding, fishing and exploring the crystal-clear waters of the Keys. At the center of the island is a beautifully updated 3-bedroom, 2-bath main residence with a detached guest house, offering over 5,000 total SF of living and entertaining space. Recent interior renovations include a beautifully updated kitchen with gorgeous countertops and modern finishes. A 12-foot-wide wraparound veranda captures panoramic water views, Atlantic sunrises and spectacular Florida Keys sunsets. Designed for the ultimate island lifestyle, the property features a waterfront pool and spa, tropical landscaping, multiple outdoor lounging and dining areas, and a 100-foot deep-water dock with ample dockage. World-class fishing, diving, snorkeling, boating and water-sports begin just outside your door. East Sister Rock is equipped for self-sufficient island living with solar and wind power, battery storage, backup generator, desalination system and substantial freshwater cistern capacity. A private helipad provides an additional point of access. Few properties offer this combination of privacy, accessibility, marine surroundings and established island infrastructure. Seller is also open to exploring select Joint Venture opportunities. Note the sale includes 99 E Ocean Drive on the mainland which has a private dock space.

1 E Sister Rock Is, Marathon

121 Calle Ensueno, Marathon
$2,800,000
4 Beds ⋅ 4 Baths ⋅ 620899 MLS
Welcome to prestigious Sombrero Isle, one of the Middle Keys' most exclusive waterfront communities. This exceptional 4-bedroom, 4-bath residence blends timeless elegance with the relaxed luxury of the Florida Keys lifestyle. Step inside to a grand living room highlighted by soaring volume ceilings, gleaming marble floors, a gracefully curved staircase, and a wraparound mezzanine that leads to the spacious bedrooms and private guest quarters. Designed for both everyday living and entertaining, the home offers an open, inviting atmosphere with impressive Mediterranean architectural details throughout. The well-appointed kitchen features granite countertops, stainless steel appliances, and abundant cabinetry, providing both style and functionality. Outdoors, enjoy your own tropical retreat with a heated freeform swimming pool and over 40 feet of dockage with approximately 5 feet of controlling depth, offering convenient access for a variety of boats. Nestled within the private island community of Sombrero Isle, this intimate enclave consists of only 32 waterfront homes, each situated on approximately one-half acre. Boaters will appreciate the quick access via Sister's Creek to the Atlantic Ocean and some of the finest fishing and diving waters in the United States. Residents also enjoy close proximity to the renowned Sombrero Beach, scenic parks, shopping, fine dining, and vibrant local restaurants and waterfront bars. Marathon International Airport is just 10 minutes away, making travel to and from paradise effortless. Experience the perfect combination of luxury, privacy, and premier boating access in one of Marathon's most coveted waterfront neighborhoods.

121 Calle Ensueno, Marathon

108 Sunset Dr, Marathon
$4,399,000
3 Beds ⋅ 4 Baths ⋅ 620861 MLS
Set along the Gulf on 2 lots within the sought-after gated Stirrup Key community, this beautifully appointed CBS residence captures panoramic open-water views, unforgettable sunsets, and a rare sense of privacy. Electronic gated entry and tropical surroundings create an immediate sense of arrival while extensive upgrades reflect elevated living and effortless enjoyment. Contemporary design and relaxed coastal living come together through an open, light-filled floor plan. Expansive impact windows and sliding glass doors frame the water from every angle, bringing the ever-changing Gulf backdrop into the interior. The chef's kitchen features quartz countertops, Bosch stainless appliances, custom cabinetry, and a seamless connection to the dining and living areas. Solar panels further enhance the home's thoughtful, energy-conscious design. The thoughtfully designed layout includes two spacious primary suites, each offering private balcony access and sweeping water views. A third guest bedroom, guest bath, private gym, and an additional full bath add comfort and versatility. Outdoors, the property unfolds as a private tropical escape. A waterfront pool, covered entertaining area, outdoor shower, and multiple gathering spaces create the perfect setting for relaxed afternoons and memorable evenings. Mature fruit trees surround winding garden pathways leading to peaceful seating areas and a waterfront fire pit. A deeded boat slip with lift in the private marina is located just steps from the front door, offering exceptional convenience on the water. Along the open-water shoreline, a private kayak dock with lift provides direct access to exceptional kayaking and paddleboarding from your own backyard. Just minutes from shopping, dining, and The Marathon International Airport, this exceptional residence offers a rare combination of open-water beauty, boating access, privacy, and effortless island living

108 Sunset Dr, Marathon

870 Copa D Oro, Marathon
$1,900,000
3 Beds ⋅ 3 Baths ⋅ 620705 MLS
Welcome to 870 Copa D Oro, an exceptional waterfront retreat in the highly sought-after Flamingo Island neighborhood. Offered for the first time in 22 years, this rare property boasts an impressive 190 feet of pristine waterfront on an oversized 12,600-square-foot lot, offering breathtaking water views and endless opportunities for the boating enthusiast. This well-maintained CBS home features 2 bedrooms on the main level with a third bedroom in the upstairs loft, offering 1,560 square feet of thoughtfully designed living space. Rich wood ceilings and an abundance of natural light create a warm, inviting atmosphere filled with timeless Florida Keys charm and character. At the heart of the home is an updated chef's kitchen, complete with a Wolf gas range, new refrigerator, wine cooler, and beautiful wood cabinetry with granite countertops--perfectly blending style and functionality for everyday living or entertaining. Impact-rated doors and windows, screened porches on both the upper and lower levels, and a spacious balcony provide the perfect spaces to relax and take in the stunning waterfront views. Designed for the ultimate Florida Keys lifestyle, the property includes a permitted enclosure beneath the home, covered parking, and exceptional dockage featuring a 40-foot dock plus an additional cut-in slip for a smaller vessel, providing room for multiple boats. Whether you're looking for a full-time residence, vacation getaway, or premier waterfront investment, 870 Copa D Oro offers an unmatched combination of location, spectacular views, exceptional boating access, and the distinctive charm that makes Florida Keys waterfront homes so special.

870 Copa D Oro, Marathon

2240 Yellowtail Dr, Marathon
$1,050,000
3 Beds ⋅ 2 Baths ⋅ 608599 MLS
This east facing, solid concrete 3-bedroom, 2-bathroom vacation rental is furnished and designed for both relaxation and aquatic adventure. As you arrive, the paved driveway leads you to a home that is wrapped in the warmth of the Florida sun. This home is in excellent condition and offers a keyless system that ushers you into the living space where the natural light floods through plantation shutters. The living area, with its comfortable furnishings and inviting ambiance, flows seamlessly into a well-appointed dining space and fully equipped kitchen with stainless steel appliances. The metal roof is easy to maintain while the entire home maintains a cool, coastal vibe with its tile flooring throughout. Step outside, and you're greeted by a gated yard that's fenced for privacy, and generously sized, ideal for pets or hosting lively outdoor gatherings. But the true crown jewel of this property is its 60 feet of dockage, complete with a step-down kayak launch and a separate step-down boat launch, offering direct access to the Gulf for endless nautical excursions. For those who live for the water, the property's dock is a dream come true, equipped with power and water, a swim ladder for an effortless dip in the sea, and a fish cleaning station to prepare your fresh catch. Whether you're setting off for a day of fishing or simply basking in the beauty of the Gulf, this home caters to all your seafaring desires. Back on land, an exterior storage shed provides ample space for all your gear, from fishing rods to snorkeling equipment. The large yard, kissed by the morning sun, becomes a sanctuary in the afternoons, offering shade and a cool place to unwind after a day on the water. This home is a fully furnished escape that embodies the spirit of vacation living. With its blend of style, comfort, and waterfront features, this home is ready to be a vacation rental or your own private retreat in the enchanting Florida Keys. Experience direct Gulf access in this Marathon gem

2240 Yellowtail Dr, Marathon

108 Sunrise Dr, Marathon
$7,495,000
5 Beds ⋅ 5 Baths ⋅ 620585 MLS
** Seller Financing Available With 50% Down Subject To Acceptable Terms ** Nestled on the private gated island of Sunrise Isles in Marathon, Florida Keys, this 2019 oceanfront estate redefines luxury living. One of only 20 residences within this secure island enclave, it offers a rare blend of privacy and the serene beauty of the Keys. This 5-bedroom, 5-bathroom residence spans 3,500 square feet of crafted living space designed to capture breathtaking ocean views. The open-concept single-level floor plan connects gourmet kitchen, dining, and living areas, while floor-to-ceiling windows flood the home with natural light. Each bedroom features an en-suite bathroom, while the primary suite offers panoramic ocean views and a spa-inspired bath. Impact-resistant sliding glass doors open to approximately 700 square feet of covered terrace for exceptional indoor-outdoor living. Set on over 32,000 square feet of waterfront property, the estate boasts 110 feet of sandy beachfront plus 110 feet of protected canal dockage with two custom boat lifts and an L-shaped synthetic dock, providing effortless open-water access. Outdoor amenities include a resort-style pool with water features, creating the perfect island retreat for entertaining or relaxing. Just ½ mile from Sombrero Beach and minutes from shopping, dining, and Marathon Airport, this extraordinary Sunrise Isles estate presents a rare opportunity to own one of the Florida Keys' finest luxury oceanfront residences.

108 Sunrise Dr, Marathon

57733 Morton St, Marathon
$14,995,000
11 Beds ⋅ 9 Baths ⋅ 620489 MLS
Welcome to Morton Manor, an exceptional gulf-side waterfront estate set on 2.82 private acres where luxury, privacy, and resort-style living come together in this extraordinary Florida Keys compound. Encompassing 8,515 sq. ft. of living space, this property features a 5-bedroom, 4.5 bath CBS main residence accompanied by two detached guest homes and a garage apartment, offering a total of 11 bedrooms and 8.5 baths designed to comfortably accommodate family and guests alike. The main home showcases an open-concept floor plan with expansive living and dining areas, two wet bars, elevator access, multiple laundry areas, and spacious guest accommodations, creating an ideal setting for both everyday living and large-scale entertaining. The detached bungalows and garage apartment provide additional flexibility for extended family, visitors, or exceptional rental opportunities while maintaining privacy throughout the estate. Impact-rated windows and doors, a durable metal roof, and quality construction provide lasting peace of mind. The outdoor amenities rival those of a private resort. Relax beside the pool, gather beneath multiple tiki huts, challenge friends to a game on the pickleball court or putting green and enjoy beautifully landscaped grounds. Boating enthusiasts will appreciate the 100' dock complete with 30-amp and 50-amp shore power, yacht dockage and 10K & 20K lb boat lifts. Positioned on the gulfside, the property offers easy access to world-class fishing, boating, snorkeling coves, sandbars, and unforgettable sunset cruises. Dining, marinas, and shopping are less than ten minutes away, and the Florida Keys Marathon International Airport is approximately 4 miles from the property for seamless private aviation access. Whether you're searching for a private family compound or an exceptional investment opportunity, Morton Manor offers a rare combination of acreage, waterfront living, luxury amenities, and versatility that is seldom found in the Florida Keys.

57733 Morton St, Marathon

1400 W 63rd St, Marathon
$2,199,000
2 Beds ⋅ 3 Baths ⋅ 620384 MLS
Enjoy endless ocean views from this charming Florida Keys waterfront retreat. Sitting on the edge of the Atlantic just one house in from open water, this stilted 2-bedroom, 2.5-bath CBS home also offers possible 3-bedroom flexibility and is a true boater's dream with 85 feet of waterfront frontage, concrete seawall, a 13,500 lb boat lift, deep-water dockage, and instant access to the Atlantic. The channel is slightly right as soon as you come out of the canal, placing you just minutes from Sombrero Light and some of the best boating, fishing, and diving the Keys have to offer. The home features a spacious, light-filled layout with a large living area, generous waterside windows, and sliding glass doors that frame the ocean views and open to east-facing covered porches on two levels. Inside, you'll find a comfortable eat-in kitchen with stainless steel appliances, abundant natural light, generous storage, walk-in closets, and impact windows and doors for added peace of mind. Outdoor living is the highlight, with a new waterfront pool and hot tub, expansive deck, large waterside porch, fenced yard, tropical landscaping, and multiple spaces to relax, dine, entertain, or simply take in the ocean breeze. Additional features include a garage, CBS construction, metal roof, travertine-paved driveway, inviting covered patio areas, and a large front yard offering flexibility for additional parking, boat/RV storage, or future use. The home is also available furnished, offering added convenience for those ready to start enjoying the Keys lifestyle right away. With open water just moments away, this Marathon property offers the perfect blend of boating, ocean views, poolside relaxation, and laid-back Keys living. This one is a must-see to truly appreciate.

1400 W 63rd St, Marathon

4800 Overseas Highway Unit 54, Marathon
$6,500,000
4 Beds ⋅ 4 Baths ⋅ 620228 MLS
AN EXTRAORDINARY OPPORTUNITY TO CREATE YOUR DREAM OCEANFRONT ESTATE IN THE FLORIDA KEYS! Presenting an extraordinary pre-construction opportunity to own a luxury oceanfront masterpiece, designed and newly constructed in the prestigious enclave of Shipman Point. Thoughtfully designed to embrace the beauty of the Florida Keys, this sophisticated residence will showcase refined coastal architecture, elevated finishes, and seamless indoor-outdoor living, all set against a backdrop of breathtaking Gulf views. Construction is scheduled to begin soon, offering a limited window for the discerning buyer to collaborate with the builder and personalize select finishes and design elements to create a truly bespoke waterfront retreat. The carefully curated floor plan features expansive living and entertaining spaces, a dramatic open-to-below architectural design, private elevator access, a temperature-controlled wine cellar, and a private guest casita designed for comfort and privacy. Floor-to-ceiling glass invites natural light and panoramic ocean vistas throughout the home, while the gourmet kitchen and elegant gathering spaces flow effortlessly to outdoor terraces overlooking a private resort-style pool, includes a 70-foot private dock with a new boat lift installed. Whether as a primary residence, seasonal retreat, weekly vacation rental or legacy waterfront estate, this is a rare opportunity to secure a brand-new luxury home and influence its final design before completion. Experience the pinnacle of oceanfront living at Shipman Point--where timeless design, exceptional craftsmanship, and the natural beauty of the Florida Keys converge.

4800 Overseas Highway Unit 54, Marathon

1040 81st Street Ocean St, Marathon
$1,999,000
3 Beds ⋅ 2 Baths ⋅ 620226 MLS
Enjoy sweeping ocean views from this beautifully designed Coastal Modern waterfront home in the heart of Marathon. Built with both style and durability in mind, this 3 Bedroom, 2 Bath CBS residence features concrete walls, floors, and roof, along with impact windows and doors for added peace of mind. Inside, oversized tile flooring and a bright open-concept layout create a clean, contemporary feel filled with natural light. The main living area flows comfortably to outdoor spaces, making the home ideal for relaxed Keys living and effortless entertaining. Two spacious guest bedrooms and a well-appointed guest bath provide inviting accommodations, while the private top-floor primary suite offers a peaceful retreat with access to the rooftop deck. An additional bonus space on the main level adds valuable flexibility and could serve as a possible 4th bedroom, office, pool cabana/dressing room or convenient guest overflow area. The rooftop deck is a true highlight, showcasing panoramic views of the turquoise Atlantic waters. Whether enjoying sunrise coffee, afternoon breezes, or evening cocktails under the stars, this elevated outdoor space captures the best of coastal living. After a day on the water, return to your concrete dock and unwind beside the canal-front pool with jets, or gather with guests on the expansive pavered patio overlooking the water. With multiple outdoor living areas, dockage, pool, and ocean views, the property is perfectly suited for boating, entertaining, and enjoying the laid-back island lifestyle. Conveniently located just minutes from restaurants, shopping, and the Marathon Airport, this property offers an exceptional blend of modern construction, coastal style, and Florida Keys waterfront living. With a proven rental history, this property also presents an outstanding investment opportunity for those seeking personal enjoyment and income potential in one of the Keys' most desirable destinations.

1040 81st Street Ocean St, Marathon

317 Tropical Ave, Marathon
$1,100,000
4 Beds ⋅ 3 Baths ⋅ 620206 MLS
Currently in Marathon, Duck Key & Key Colony there is no other New Construction Home available below $1.1M besides this Brand New Under Construction 4 Bed, 3 Bath, 1786 sqft living Concrete Above Flood Home, built by the local well-respected Design Center. It also happens to be located on a Corner Lot that backups to non-buildable protected land offering more privacy in the Grassy Key neighborhood, which has quickly become a highly desired area for many locals. It's a great family neighborhood with a community waterfront Sunset park and only a mile from a boat ramp. This home features poured solid concrete 16x16 columns plus an Energy Efficient Seamless Metal Roof, Hurricane Impact Windows & Doors, Spray Foam Insulation along with a High Efficiency 4 Ton A/C System, & even an Electrical Sub Panel Box prewired for a generator hook up. Pre-Cast Concrete Floors allowing for no center columns, which maximizes usable space in the 2 car garage. Step inside & find Maintenance Free Wide Plank Luxury Vinyl Flooring thru out the home, 8FT High Interior Doors, 9'6'' Ceilings, 5 ÂĽ'' Baseboards, LED Recess Lighting, Modern Fans in each Bedroom & the Living Room, an Open Kitchen with Shaker Soft Close Wood Cabinets with Crown Molding & Hardware including 42'' Uppers, Quartz Countertops including a Large 1 level island, a Tile or Quartz Backsplash, Pendant Lighting, a Full Stainless Steel Appliance Package & Modern Single Sink & Faucet. All 3 bathrooms feature Designer Tiled Floors, Custom Tiled Showers including LED underlighting and lit shower nooks with the Primary & 1 Guest Bath having Frameless Glass Enclosures & the 2nd Guest having a Tub/Shower Combo. They all have Wood Vanities with Quartz Counters, Modern Vanity Lighting & Mirrors, Modern Faucets & Toilets. Home comes with a 1-year Builders Warranty and can be offered Furnished by a local interior designer for an additional cost making it Vacation Rental Ready. ETA for completion is Dec 2026.

317 Tropical Ave, Marathon

837 Copa D Oro, Marathon
$2,799,000
4 Beds ⋅ 4 Baths ⋅ 620205 MLS
Discover elevated waterfront living in this newly constructed custom two-story concrete residence, offering 4 spacious bedrooms, each with its own private en-suite bath. Thoughtfully designed for both comfort and entertaining, the home features a seamless open-concept layout that effortlessly connects indoor and outdoor spaces. At the heart of the home is a designer chef's kitchen appointed with premium stainless steel appliances, including double convection ovens, a smart refrigerator, dishwasher, vented range hood, and wine cooler. A large center island with prep sink, quartz countertops, custom cabinetry, and elegant LED pendant lighting complete the space. Throughout the home, porcelain tile flooring, designer finishes, and expansive windows create a bright and sophisticated atmosphere. A first-floor guest suite offers balcony access with views overlooking the pool, dock, and canal. The striking floating staircase, accented by a custom LED chandelier, leads to the upper level where three additional en-suite bedrooms await. The luxurious primary suite serves as a private retreat, featuring a freestanding soaking tub, dual vanities, an oversized porcelain tile shower, and a MOEN smart multi-head shower system with app-controlled temperature and spray settings. Additional features include impact windows and doors, a web-connected security camera system, energy-efficient LED lighting, 8-foot interior doors, 4K Smart TVs throughout, dual 3-ton 16 SEER air conditioning systems, a standing seam metal roof, aluminum railings, and spacious balconies on both levels. The property offers dual staircases leading to the outdoor living area, a 12' x 26' custom pool and a 50 foot dock. Ideally located in Marathon's desirable Flamingo Island neighborhood, this exceptional property is just minutes from Sombrero Beach, restaurants, and local attractions. Built with quality, durability, and style in mind, this remarkable waterfront home captures the essence of luxury living.

837 Copa D Oro, Marathon

835 Copa D Oro, Marathon
$2,799,000
4 Beds ⋅ 4 Baths ⋅ 620204 MLS
Experience luxury waterfront living in this custom-built, new construction two-story concrete home featuring 4 bedrooms and 4 private en-suite baths. Designed for entertaining, the open-concept layout seamlessly blends indoor and outdoor living. Currently set up as a vacation rental and can be sold furnished and turn key. The chef's kitchen boasts top-of-the-line stainless steel appliances including double convection ovens, Smart refrigerator, dishwasher, vented range hood, prep sink, wine chiller, quartz countertops, custom cabinetry, and a large island. Porcelain tile flooring, custom fixtures, LED lighting, and abundant natural light enhance every space. A first-floor en-suite bedroom offers balcony access overlooking the pool, dock, and water. The dramatic floating staircase with custom LED chandelier leads to three additional en-suite bedrooms upstairs. The primary suite features a floating soaking tub, double vanity, custom porcelain tile shower, and MOEN programmable multi-head shower system with smartphone controls. Additional features include impact windows and doors, web-enabled security camera system, 4K Smart TVs in every room, 8-foot interior doors, two 3-ton 16 SEER A/C units, standing seam metal roof, aluminum railings, and expansive balconies on both levels. Situated on an oversized 11,319 sq. ft. corner lot, the property includes a 12' x 26' pool with custom pavers, two stairways to the outdoor living area, and a 36 foot dock completed in January 2024. Located in the desirable Flamingo Island neighborhood of Marathon, just minutes from Sombrero Beach, dining, shopping, and entertainment. Enjoy quick access to open water, world-class fishing, boating, diving, and the crystal-clear turquoise waters of the Florida Keys. Built to impress and built to last, this exceptional waterfront retreat offers the ultimate Florida Keys lifestyle. Adjacent property at 837 Copa D'Oro is also available, featuring an 8,200 sq. ft. lot and 50-foot dock

835 Copa D Oro, Marathon

101 Ave D, Marathon
$1,684,000
4 Beds ⋅ 3 Baths ⋅ 620116 MLS
Welcome to 101 Avenue D in Marathon, Florida -- a fully furnished, turnkey waterfront retreat built in 2022 and designed for modern Keys living. Set on a spacious 18,000 sq. ft. lot, this 4-bedroom, 3-bath home blends comfort, style, and island luxury with the flexibility to serve as a full-time residence, vacation getaway, or investment property. Inside, the home features an open-concept layout with high ceilings, abundant natural light, expansive windows, and a seamless flow between the living, dining, and kitchen areas. The kitchen is beautifully finished with stainless steel appliances, including a dishwasher, ice machine, microwave, oven, range, and refrigerator. Each bedroom offers a comfortable retreat, while the primary suite provides direct access to the impressive outdoor living area. The three full bathrooms are thoughtfully designed for comfort, privacy, and convenience for owners and guests alike. Step outside and enjoy the best of the Florida Keys lifestyle. The spacious waterfront deck overlooks the canal and leads to a resort-style outdoor setting complete with a heated and chilled in-ground pool and a brand-new outdoor kitchen featuring a Broilmaster marine-grade gas grill, Primo ceramic charcoal grill, and outdoor refrigerator. It is the perfect setup for relaxing, dining, and entertaining by the water. Boaters will appreciate the 35-foot dock, offering easy access for days on the water and quick trips to open ocean adventures. This property also has strong vacation-rental appeal, offering the kind of turnkey setup guests love -- comfortable furnishings, outdoor amenities, waterfront access, and a prime Marathon location. Walking distance to the beach, bike path, and golf-cart-friendly neighborhood, 101 Avenue D delivers the perfect blend of convenience, relaxation, and tropical lifestyle. Whether used as a personal retreat, investment property, or move-in-ready waterfront home, this property is ready for you to enjoy the Keys from d

101 Ave D, Marathon

57783 Morton St, Marathon
$25,000,000
10 Beds ⋅ 13 Baths ⋅ 619972 MLS
Newly Built Gulf-front Sanctuary with Panoramic Views, Guest and Pool Houses, Luxe Outdoor Living, and a Deepwater Navigable Dock. Set on 3 secluded acres+/- along one of the most protected stretches of the Gulf of America, 57783 Morton Street is a newly completed estate of rare scale, privacy, and modern coastal design. Surrounded by water, sandscape, and tidal ponds alive with marine life, the property offers more than 200'+/- of direct water frontage and uninterrupted views across the open Gulf. Completed in 2025 by builder and developer Alderuccio Corporation, this resilient, elevated retreat is constructed entirely of concrete and impact glass and is designed for effortless indoor-outdoor living. With three distinct finished living spaces totaling approximately 10,000 SF+/-, the estate functions as a private resort offering privacy, recreation, and exceptional access to the best of the Florida Keys. Though private and serene, the estate remains close to everything that defines Keys living. Dining, marinas, and shopping are less than ten minutes away, and the Florida Keys Marathon International Airport lies 4 miles+/- from the property for seamless private aviation access. Deepwater routes, snorkeling coves, and renowned fishing grounds are just moments from the protected 100' dock. The architecture emphasizes clarity, durability, and immersion in water and light. Walls of impact glass capture views of the Gulf, the bay, and the property's own tidal ponds, allowing natural light to animate the interiors throughout the day. Generous room proportions, ceiling heights of 10' to 12', and open circulation reinforce a sense of airiness and connection. Every finish, from porcelain flooring to quartzite counters and exterior of shell-stone, was selected for both resilience and refined coastal style. Smart home systems, solar power with battery backup, and integrated storm protection underscore a commitment to performance and longevity.

57783 Morton St, Marathon

23 Treasure Rd, Marathon
$4,390,000
3 Beds ⋅ 3 Baths ⋅ 619918 MLS
Welcome to an elevated expression of island living at 23 Treasure Road in the heart of the Florida Keys. This impeccably maintained waterfront residence showcases breathtaking panoramic ocean views from every vantage point, including the pool, main living areas, dining space, primary suite, and tiki hut. Designed for effortless entertaining and everyday enjoyment, the pool is ideally positioned on the main living level alongside the kitchen and gathering spaces, creating a seamless indoor-outdoor flow rarely found in waterfront homes. Relax poolside while enjoying ocean breezes and endless blue water views. The upper level features two beautifully appointed bedrooms and three baths, enhanced by impact-rated doors, windows, and hurricane sliders for style and peace of mind. Downstairs, a private guest suite and expansive finished bonus space provide flexibility for guests, entertaining, or recreation. The oversized dual-entry garage accommodates up to three vehicles and offers exceptional space for the Florida Keys lifestyle, with plenty of room for fishing gear, dive equipment, water toys, and additional storage. A dedicated tackle room adds convenience for avid anglers and boaters alike. Along the water's edge, a substantial 200 foot rock seawall provides protection and presence, while the private boat ramp, dock, and boat lift offer effortless access to world-class boating and fishing. Two separate gated entrances welcome you into a lush, meticulously landscaped setting complete with privacy walls, mature hedges, and fencing for a serene and secluded atmosphere. Situated on an oversized parcel, this rare waterfront offering presents an exceptional opportunity to enjoy the ultimate private coastal retreat in the Florida Keys.

23 Treasure Rd, Marathon

58652 Overseas Hwy, Marathon
$3,495,000
4 Beds ⋅ 4 Baths ⋅ 619913 MLS
Enter the bougainvillea-lined gates of Casa Feliz, a private oceanfront retreat on Grassy Key offering expansive water views, a white sand beach, and resort-style living. A strong-producing vacation rental with established history and future bookings in place, this exceptional estate presents an attractive investment opportunity. Set on more than 24,000 square feet of lush grounds with mature landscaping, fruit trees, fresh herbs, and .29 acres of bay bottom, Casa Feliz is designed for relaxation and entertaining. An observation pier provides access for kayaking, paddleboarding, fishing, and enjoying abundant marine life. Dockage is available nearby at Duck Key Marina or Grassy Key Marina, if desired. The property's unique orientation captures both sunrise and sunset views, a rare feature in the Keys. Outdoor amenities include a saltwater pool with cascading waterfalls, spillover spa, and a fully equipped poolside cabana featuring a wet bar, refrigerator, ice maker, and cooking area. A fire table and beachside fire pit offer inviting spaces to gather beneath the stars. Completely renovated down to the studs in 2022, the three-story residence was redesigned to maximize ocean views throughout. Four custom bedroom suites, each with a private en-suite bath, comfortably accommodate guests. The top-floor penthouse suite features a private balcony, 180-degree ocean views, custom 96-inch circular bed, and kitchenette with coffee station. Accordion impact-glass doors create a seamless connection between indoor and outdoor living. The gourmet kitchen features Café appliances, an induction cooktop, quartz countertops, mosaic tile backsplash, wine cooler, glass shelving, and multiple dining areas. Additional highlights include a movie theater, library loft, Control4 smart technology, custom millwork, and a mural by a local artist. Come discover why Grassy Key is the place to be.

58652 Overseas Hwy, Marathon

58773 Overseas Hwy, Marathon
$1,675,000
3 Beds ⋅ 2 Baths ⋅ 619885 MLS
From the moment you arrive, this charming waterfront cottage invites you to leave the outside world behind. Tucked among lush tropical landscaping, its soft yellow exterior, metal roof, and classic white-picket charm set the mood for something unforgettable. Welcome to Key Lime Kottage, a turnkey 3-bedroom, 2-bath waterfront retreat in Grassy Key, where time slows, conversations last longer, and every day feels like a Florida Keys vacation. Inside, the open living, dining, and kitchen areas flow effortlessly, creating a warm setting for relaxed meals and time together. Outside, Key Lime Kottage becomes your secluded resort. The screened-in pool and spa, covered lounging area, and tropical privacy invite you to unwind. Imagine floating beneath the sun, relaxing in the spa, and sharing a toast as the sky turns gold and coral. A composite dock leads through the mangroves toward open Gulf views. Begin the morning with coffee by the water, launch a kayak or paddleboard, or sit together and enjoy the soothing rhythm of the Keys. Currently in a vacation-rental program, Key Lime Kottage combines personal enjoyment with income-producing potential. Its waterfront setting, open-water views, pool, spa, privacy, and turnkey condition create the resort experience guests seek--and want to revisit year after year. Conveniently located near the Dolphin Research Center, The Wreck Restaurant, downtown Marathon, shopping, marinas, and Million Air, the home feels private yet connected. You are not simply purchasing a property. You are investing in peaceful mornings, poolside afternoons, romantic sunsets, and a Florida Keys lifestyle guests will remember long after leaving. Could Key Lime Kottage become your private escape, income-producing retreat--or both? Kindly provide at least 24 hours' notice for showings. Saturdays during guest check-in and check-out windows are preferred.

58773 Overseas Hwy, Marathon

Start Your Search

Marathon Single Family Real Estate

Our website features the best real estate search for single family properties available in Marathon and surrounding areas. It is the only site you will ever need! It is easy-to-use and updated by the official Realtor®’s database every 15 minutes. 

You can save searches, and get daily email alerts of new listings, price changes, sold data, and market reports. Our Interactive Map Search allows you to view properties on a map or refine your search by drawing the boundaries around the area you desire. 

Curious about what’s happening in your neighborhood? You can create a custom market report to see what’s active, under contract, and sold in your neighborhood! 

Considering selling or refinancing your home? Get an INSTANT property valuation now!

Contact us today to find out how we can be of assistance to you!

How much is your home worth?

Get instant property value now!