Browse All Sombrero Isle (49.5) Properties for Sale

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 exclusive 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

$7,400,000

7 Beds ⋅ 7 Baths ⋅ 611505 MLS

Welcome to your private paradise on prestigious Sombrero Isle with NEW PRICE ADJUSTMENT on vacant platted lot 13! The waterfront adjacent vacant lot 13 is now available at $1.7M, no interest for 2 years, $10K a month principle payment on lot bringing the reduced price for 1.5 acre estate to $7.5M for platted lots 13, 14 and 15. This luxurious 1.5-acre, resort-style estate on 3 platted lots boasts 500 feet of prime water frontage, offering endless possibilities: preserve as a private oasis, subdivide, or build an additional home. With immediate access to the Atlantic Ocean, this estate is perfect for fishing, diving, and boating. The private concrete boat basin accommodates vessels up to 60 ft., with a newly installed 28,000-pound boat lift and 10,000-pound jet ski lift, making it a boater's dream. The open and airy interior features vaulted ceilings, spacious hallways, and natural light throughout. Nearly every room offers stunning water views. With 7 bedrooms and 7 bathrooms, the home is perfect for hosting guests or generating substantial vacation rental income. Outdoors, enjoy the newly renovated saltwater pool and spa, lighted tennis court, peaceful palm grove, and lush tropical landscaping. A modern in-house gym and private guest quarters add convenience and luxury. Designed for security and self-sufficiency, the home features hurricane-rated windows and doors, a whole-house generator, a large cistern, and a state-of-the-art ADT security system. Located just one block from Sombrero Beach, this estate offers the perfect blend of tranquility and accessibility. With Marathon Airport only minutes away, you can easily fly into this tropical paradise or enjoy a scenic drive along the iconic Overseas Highway. This premier estate embodies the best of the Florida Keys lifestyle, combining modern amenities, timeless elegance, and an unbeatable location. Don't miss this rare opportunity to own a piece of paradise with this one-of-a-kind sanctuary.

126 Calle Ensueno, Marathon

$4,950,000

4 Beds ⋅ 5 Baths ⋅ 617298 MLS

Casa De Artista is a rare luxury estate in the exclusive community of Sombrero Isle. Set on more than an acre with 415 feet of waterfront, this property combines privacy, elegance, and the ultimate Florida Keys lifestyle. With only 27 homes on the island and Sombrero Beach just one block away, the location is both secluded and highly desirable. Extensively renovated by D'Asign Source in 2016, the 4,649 sq. ft. main residence offers 4 bedrooms and 3.5 baths. The open-concept living and dining areas feature stunning tongue-and-groove ceilings, while the chef's kitchen showcases premium appliances, dual wine refrigerators, and double islands designed for entertaining. Expansive sliding glass doors connect to a waterfront patio with outdoor kitchen, beverage coolers, and resort-style ambiance. The grounds are landscaped with exotic palms and feature a pool with spa, and deep-water dockage. For boaters, two lifts (24K and 5K) and an 86-foot dock provide direct access to world-class fishing and diving. A 299 sq. ft. detached artist studio with half bath offers flexible use as a creative retreat or guest space. Additional highlights include a 5,176 sq. ft. garage and storage level, ideal for vehicles, boats, and equipment. Just 10 minutes from Marathon Airport and offering strong weekly rental potential, Casa De Artista is a true trophy property and one of Sombrero Isle's most exceptional estates.

114 Calle Ensueno, Marathon

$1,700,000

606809 MLS

126 Calle Ensueno, Marathon

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