Between $300,000 - $400,000 Marathon FL Real Estate, Homes, Condos for Sale

Your Florida Keys lifestyle starts here--with canalfront dockage, land ownership, and room for future plans! Located in Key By the Sea in the heart of Marathon, this waterfront RV lot offers 29 feet of canal frontage, quick, direct ocean access, and all utilities already in place. Keep your boat close, cast a line from the dock, or simply unwind beside the water. Head out for a day at a nearby sandbar or enjoy diving and fishing along the reef. A storage shed provides convenient space for boating gear and island essentials. A right to build conveys with the property, offering the opportunity to explore a future permanent waterfront home while enjoying the lot with your own RV in the meantime. With your boat close by and land to call your own, it's an inviting place to enjoy the Keys today and plan for tomorrow. Boat lifts are allowed, subject to applicable approvals. This quiet, well-maintained community features a boat ramp, an oceanfront pavilion overlooking the Atlantic, multiple laundry facilities, and a clubhouse with a kitchen and gathering space. Additional community dockage is offered at $150 per month, subject to availability and community requirements. Restaurants, shops, Sombrero Beach, and Middle Keys recreation are within convenient reach. The destination trailer and its steps/porch do not convey and will be removed. The storage shed and other agreed-upon items will remain, with inclusions specified in the purchase agreement. Future plans are subject to applicable approvals. Buyers to verify intended uses with the City of Marathon and the association.

6099 Overseas Hwy Unit 67W, Marathon

$325,000

1 Beds ⋅ 1 Baths ⋅ 621829 MLS

AFFORDABLE FLORIDA KEYS PROPERTY...DON'T MISS YOUR OPPORTUNITY TO OWN YOUR PIECE OF PARADISE!! Looking for an affordable way to enter the Florida Keys real estate market? Whether you're a first-time buyer, searching for a weekend getaway, or looking for an investment property with rental income potential, this thoughtfully renovated waterfront community condo offers an exceptional opportunity to enjoy the Keys lifestyle at an attractive price point! Originally designed as a studio, this cleverly redesigned unit offers the comfort and functionality of a one-bedroom layout. A custom partition wall creates a dedicated sleeping area while incorporating beautiful built-in wardrobe & storage. A sliding barn door could easily be added for additional privacy. The inviting interior features a full kitchen with granite countertops, stainless steel appliances, a convenient breakfast bar, updated flooring, & a beautifully renovated bathroom. A screened patio provides the perfect place to enjoy your morning coffee or relax after a day on the water. It also features & in-unit, spacious, storage closet giving you plenty of room to store your things or use as a locked owners closet while it's rented. Boating enthusiasts will appreciate the assigned boat slip, deep-water dockage along a 200-foot-wide canal, private community boat ramp, boat trailer parking, & convenient ocean access. Enjoy the community pool & waterfront gathering areas, all within the desirable Coco Plum Terraces community in Marathon. With a new roof in 2023, updated A/C in 2022, & seven-night minimum rentals permitted, this property offers flexibility for personal enjoyment & potential rental income. At a remarkable price, this is an inviting opportunity to get your foot in the door of the Florida Keys real estate market! Use as a Full-time, seasonal home, or income-producing investment, this charming condo offers an appealing combination of affordability, amenities, & island living at its best!

109 Ave D, Unit 307, Marathon

$389,900

1 Beds ⋅ 1 Baths ⋅ 621616 MLS

Enjoy the relaxed Florida Keys lifestyle in this beautifully remodeled one-bedroom, one-bathroom harborfront condo, offering captivating Boot Key Harbor views. Located on the second floor, this inviting retreat features a clean, simple style with tasteful furnishings that create a comfortable and welcoming atmosphere. Step out onto your screened-in porch to take in the waterfront scenery, with boats cruising by and paddleboarders and kayakers enjoying the peaceful surroundings. When it's time to unwind, take a refreshing dip in the sparkling blue waterfront pool, where you can relax and soak up the sunshine while enjoying the beautiful harbor setting. Whether you're sipping your morning coffee, unwinding with a good book, or watching the ever-changing waterfront views, this condo offers the perfect place to embrace the coastal lifestyle. Boating enthusiasts will appreciate the convenience of 30-foot assigned boat dockage, making it easy to explore everything the Florida Keys waters have to offer. Perfect as a weekend getaway, seasonal retreat, or full-time residence, this charming waterfront condo offers the ideal blend of comfort, convenience, and laid-back island living.

301 Sombrero Blvd Unit 202, Marathon

$339,000

621576 MLS

Create your own waterfront retreat on this exceptional 11,600-square-foot bayfront lot in Stirrup Key, one of Marathon's most desirable gated communities. With open-water views and room to design a custom residence, this property offers an inviting setting for a home that embraces the beauty of the Florida Keys. Envision light-filled living spaces, expansive windows framing the bay, and outdoor areas designed for relaxing and entertaining. The generous lot provides space to explore your vision, while Stirrup Key's deed restrictions help preserve the neighborhood's distinctive residential character. Located within the City of Marathon, this private community places you close to exceptional fishing, boating, local dining, and everyday conveniences. Whether you envision a full-time residence or a seasonal escape, this bayfront parcel offers the opportunity to create a home tailored to your lifestyle in the heart of the Keys.

313 Stirrup, Marathon

$379,000

1 Beds ⋅ 2 Baths ⋅ 621184 MLS

Perched above the shimmering Coco Plum Channel, this beautifully reimagined one bedroom, one- and-a-half bath residence at Bonefish Towers offers ocean views from every window -- a rare opportunity to own in one of Coco Plum 's most coveted addresses. Thoughtfully renovated throughout, the residence showcases a crisp, coastal-inspired aesthetic complemented by raised ceilings in the master bath, kitchen, and foyer. Every detail has been elevated, from the brand-new impact windows and sliding glass doors to the updated air conditioning, kitchen, flooring, electric blinds and so much more. This home is being offered furnished. As one of only thirteen residences in the building with two balconies, it offers an exceptional setting for indoor-outdoor living and unobstructed water views. Resort amenities in the community include a heating swimming pool, update fitness center, tennis/pickleball court, waterfront tiki hut/fishing station, waterfront BBQ area, 24 hour security and plenty of parking. The building is in great shape with two new elevators, a new roof and new exterior paint.

2000 Coco Plum Dr Unit 302, Marathon

$330,000

620941 MLS

Don't miss this 81', live-aboard slip with OWNED BAY BOTTOM. A-side slips in Sombrero Marina rarely become available. Great Keys space with a fabulous sunset view over Boot Key Harbor in Marathon, the heart of the Keys. Slip measures 81L x 17W at the water and 14.7'W at the dock. A bath house, pump out and laundry facilities are onsite, with 30- and 50-amp service and full-time, onsite dockmaster. Rentals are managed by the dockmaster and Slip A15 has a proven rental income history. Quick deep water access from Boot Key Harbor to the Atlantic Ocean or to the Florida Bay/Gulf via Sister Creek or under the iconic Seven Mile Bridge arc. A full-service, open harborfront bar/restaurant (Dockside) with great live music is at the marina and fuel is nearby. Across from the public golf course, Sombrero Marina offers a wide turning basin and is within walking distance to stores and biking distance to beautiful Sombrero Beach. Enjoy low fees and easy living. This is a GREAT price for a LARGE slip in a FANTASTIC Middle Keys location!

35 Sombrero Blvd Unit A15, Marathon

$397,000

620904 MLS

It is no secret that the Sombrero Beach neighborhood is one of the most highly sought after established neighborhoods in all of Marathon. Rarely does a vacant lot become available with a building right already attached to it. What makes this 7,125 sqft lot even more rare is that this one comes with approved plans to build a 4 bed, 3 bath, 1966 sqft living home with a 299 sqft rear porch & 75 sqft front porch by the well-respected local builders, Design Center. To make things even easier for the buyers, a local lender is offering up to 80% LTV Construction Financing, allowing you to purchase the lot and fund the construction all at once. It is important to note that this building right is designated SOLEY for local Marathon residents who will make this their Homesteaded primary residence for a minimum of 2 years. This provides a great opportunity for a local family to live in this incredible neighborhood that is walking distance to Sombrero Beach and minutes to Marathon High School. Don't miss the rare opportunity.

408 Calle Limon, Marathon

10877 Overseas Hwy Unit APT 35, Marathon

$355,500

1 Baths ⋅ 620452 MLS

Experience elevated island living at Ocean Isles Fishing Village, a beautifully rebuilt 7-acre gated oceanfront community in the heart of the Florida Keys. These newly constructed concrete block residences are built above flood elevation and offer the rare advantage of 7-day rentals, making them an exceptional choice for a vacation getaway, income-producing investment, or full-time residence. This immaculate, spacious studio is currently operating as a successful short-term rental with existing reservations in place. The new owner has the flexibility to honor the bookings for immediate rental income or cancel them for personal use. Thoughtfully designed for comfort and functionality, the studio features a queen-size Murphy bed that easily folds away to maximize living space during the day, tile flooring throughout, a full kitchen with new appliances, and an LG washer/dryer tower. The monthly HOA fee of just $528 includes both wind and flood insurance, providing exceptional value and added peace of mind. Residents enjoy an outstanding collection of resort-style amenities, including an Olympic-size waterfront pool overlooking the marina, an air-conditioned clubhouse, tiki huts, grilling areas, an ice machine, and fish-cleaning stations. Boating enthusiasts will appreciate the private boat ramp, assigned owner boat slips, and the newly rebuilt seawall, bulkhead, docks, and protected marina, safely sheltered by Jack Tar Flats. Ideally located in the heart of Marathon, Ocean Isles Fishing Village is just minutes from restaurants, shopping, attractions, and the airport. With quick access to both the Atlantic Ocean and the Gulf, world-class fishing, diving, boating, and island adventures are always within easy reach. Don't miss this rare opportunity to own an affordable piece of paradise in the Florida Keys, where resort-style amenities, an unbeatable boating lifestyle, and exceptional investment potential come together in one spectacular waterfront community.

10877 Overseas Hwy Unit APT 35, Marathon

$300,000

1 Baths ⋅ 620324 MLS

Waterfront, buildable RV lot in Key By the Sea in the heart of Marathon! Enjoy 28' of canal frontage with quick, direct ocean access .A building right and the fifth-wheel (personal property) currently on the site convey with this sale. This lot has a spacious screened-in porch, a storage room, and plenty of dock space to relax and fish. This is a great buy for those looking to build a new, waterfront home down the road who want to utilize their RV till then. Also a great buy for those looking for a slip - at this comparable price, why buy just a slip in a marina when you can have a buildable lot AND a place to keep your boat and RV? Boat lifts are allowed. Community amenities include a boat ramp, laundry room, clubhouse with big TV, pool table, kitchen, etc available for private parties, and an oceanfront pavilion area to take in the open Atlantic views. Boat lifts are allowed. Proximate to grocery stores, shops, restaurants, Sombrero Beach and all things in Keys paradise on the water and on land. There's a lot of bang for your buck and this is priced to sell. FaceTime TOURS ARE AVAILABLE FOR QUALIFIED BUYERS.

6099 Overseas Hwy Unit 42E, Marathon

$300,000

620323 MLS

Waterfront, buildable RV lot in Key By the Sea in the heart of Marathon! Enjoy 28' of water frontage with quick, direct ocean access. This lot has a spacious screened-in porch, a storage room, and plenty of dock space to relax and fish. A building right and the fifth-wheel currently on the site convey with this sale. Boat lifts are allowed. This is a a great buy for those looking to build a new, waterfront home down the road who want to utilize their RV till then. Also a great buy for those looking for a slip - at this comparable price, why buy just a slip in a marina when you can have a buildable lot AND a place to keep your boat and RV? Community amenities include a boat ramp, laundry room, clubhouse with big TV, pool table, kitchen, etc available for private parties, and an oceanfront pavilion area to take in the open Atlantic views. Proximate to grocery stores, shops, restaurants, Sombrero Beach and all things in Keys paradise on the water and on land. There's a lot of bang for your buck and this is priced to sell. FaceTime TOURS ARE AVAILABLE FOR QUALIFIED BUYERS.

6099 Overseas Hwy Unit 42E, Marathon

$365,000

1 Beds ⋅ 1 Baths ⋅ 620195 MLS

Welcome to your perfect waterfront retreat! This condo is located at the end of the building and has been beautifully maintained. Comes fully furnished, move-in ready and offers everything you need for comfort and convenience. Step inside to an inviting, open-concept living space that shows very well. Kitchen features quartz countertops, tasteful backsplash and new stainless steel appliances. Enjoy peaceful mornings and relaxing evenings on the screened-in porch overlooking the water, the ideal spot to unwind and take in the view. The condo's prime central location puts you just minutes away from shopping, grocery stores, dining, and your favorite food and beverage spots--everything you need is right at your doorstep. Bonus storage closet outside entrance for your gear. Complex offers heated swimming pool, outdoor common area, on-site laundry and boat dockage. Easy keys living awaits! Call Today!

5301 Ocean Ter Unit APT 2, Marathon

$399,000

2 Beds ⋅ 3 Baths ⋅ 620168 MLS

Classic Keys Beach House Vibe with Proven Rental Income! Discover the ultimate Florida Keys getaway and investment opportunity with this 2-bedroom, 2.5-bathroom beachfront townhouse at Tranquility Bay Beach Resort in Marathon. Perfectly situated on the highly sought-after ''quiet side'' of the resort, this villa offers serene Gulf views and immediate proximity to the adult-only pool, the beach and the beautifully manicured Jack Nicklaus-designed putting greens. Tranquility Bay is a world-class, full-service resort featuring a pristine private beach, a beachside Tiki bar, three sparkling swimming pools (including a dedicated kids' pool and a tranquil adult pool), and the award-winning gourmet dining experience at the Butterfly Cafe. This property is a hands-free, turn-key investment. Owners are required to participate in the exceptional onsite nightly rental program, which completely manages the property for you. In 2025, this unit generated $51,000 in rental income to the owner. Enjoy up to 5 weeks of personal paradise each year while letting the resort handle the rest. Don't miss your chance to own a piece of the Keys lifestyle that pays you back!

2600 Overseas Highway Unit 48, Marathon

$365,000

618579 MLS

SELLER IS OPEN TO OFFERS! Experience the quintessential Florida Keys lifestyle at Sombrero Marina, a casual and welcoming community in the heart of protected Boot Key Harbor. This slip is OWNED BAYBOTTOM. Per the survey, the slip is 87' long, 20.56' wide at the dock and 21.64' wide at the outside pilings. Up to 75' LOA and max 18'9'' beam, per the dockmaster. Slips capable of accommodating vessels up to 75' LOA are exceptionally rare to find in Keys, making this a unique opportunity for owners of larger yachts. This expansive slip also offers the security of baybottom ownership, allowing for full-time liveaboard status. Additionally, convenient financing is available through a local bank to make your island transition seamless. This slip is as versatile as it is spacious, serving as a perfect seasonal home for your vessel or a reliable permanent residence. When you aren't using the slip yourself, the on-site dockmaster can rent the slip out for you, providing a hands-off way to offset ownership costs. Life here is defined by ease; you are just steps away from the iconic Dockside restaurant for live music, meals and a great social atmosphere. The slip includes 30/50 amp service and a deeded land footprint directly in front--ideal for a golf cart. Don't miss this chance to secure one of the few large-scale liveaboard slips in the heart of the Keys.

35 Sombrero Blvd Unit B1, Marathon

$375,000

610716 MLS

Discover a rare opportunity to own an oversized boat slip with live-aboard approval in the desirable Cocoplum neighborhood of Marathon. Offering an impressive 22' width, 80' length, and 6' draft, this slip easily accommodates larger vessels, and a recently removed piling maximizes your available space. Nestled on the ocean side, you'll enjoy direct, fast, no-bridge access to the open water, perfect for avid boaters and anglers. Positioned at the end of the marina in a secure, gated section, the slip offers added privacy and quicker navigation straight to the ocean. A spacious Tiki hut extends your living area onto land, creating an inviting space for relaxing, entertaining, and embracing the island lifestyle. Stylish faux-wall panels on each side provide privacy while still capturing refreshing tropical breezes. It's a versatile, blank canvas ready for your personal touch. The marina features a community pavilion, bath house, and laundry facility, and this slip includes multiple storage units for all your gear and equipment. With a strong monthly rental potential and an unbeatable location, large slips with dedicated land-living amenities like this are truly hard to find. Don't miss the chance to experience this exceptional boat slip in paradise. Your ideal Keys retreat awaits!

100 Ave I, Unit 6, Marathon

$395,000

1 Baths ⋅ 619320 MLS

The Premier Office in First Professional Centre! Secure the only unit in this 17-unit complex with direct Overseas Highway frontage for maximum brand exposure. Unit 1 offers 1,128 SF of versatile space--significantly larger than the standard units in the building. The professional floor plan features a welcoming reception area with a built-in desk, three spacious private offices, a convenient kitchen area, and a half bath. Surrounded by windows, the space is flooded with natural light, creating an inviting environment for clients and staff alike. Ideal for medical, legal, accounting or other professionals. Vacant and ready for occupancy. Own the best-positioned office in Marathon today, please call for a private showing.

5701 Overseas Highway Unit 1, Marathon

6099 Overseas Hwy Unit LOT 20E, Marathon

$329,000

1 Beds ⋅ 1 Baths ⋅ 618890 MLS

PRIVATE DOCKAGE, DIRECT ATLANTIC ACCESS & AFFORDABLE FLORIDA KEYS WATERFRONT LIVING! This charming 1-bedroom, 1-bath waterfront property offers 23 feet of private dockage with direct access straight out to the Atlantic Ocean. Relax and entertain with a spacious outdoor kitchen, convenient outdoor shower, and additional storage. There's also a connection in place for a possible washer and dryer hookup for added flexibility. Seller has engineered and permitted drawings for a boat lift. Whether you're seeking a weekend escape or full-time Keys living, this property delivers the ultimate coastal lifestyle.

6099 Overseas Hwy Unit LOT 20E, Marathon

111 Stirrup Key Woods Rd Unit 2B2, Marathon

$340,000

2 Beds ⋅ 2 Baths ⋅ 614591 MLS

Welcome to Stirrup Key Woods. This spacious home represents truly affordable and comfortable living in the Florida Keys with wide open concept living areas, updated and expanded kitchen, spacious bedrooms, one full bathroom updated with stone tile, a half bath, covered parking for two vehicles, impact resistant windows and doors, metal roof, New HVAC system, and great location offering privacy and ease of access to bike paths, public boat ramps and all of the amenities that Marathon has to offer. Call today for more information and schedule a private tour.

111 Stirrup Key Woods Rd Unit 2B2, Marathon

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