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Mile Marker 50 - 60 homes for Sale in the Florida Keys Real Estate

Total Listings 145
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$12,900,000
Key Colony
Coury Subdivision   - MM: 53.50
4 Bed, 4 Baths, 4,752 SqFt Days Listed: 327
-13.42% ($2,000,000) 1 Price Change : Last Change 55 Days Ago
Single Family - Active - Waterfront Yes
Side of Island: Ocean - Dockage: 62ft.

Welcome to The Sandcastle, nestled in exclusive Key Colony Beach, this custom DAsign Source home epitomizes luxury and boasts open water views! Situated on a gated double lot, with a private sandy beach and lush tropical landscaping, this property offers unparalleled resort-style amenities! Upon entry into a grand foyer, wrought iron staircases lead to an opulent great room, highlighting the view of the saltwater infinity pool and spa with breathtaking views of the Atlantic Ocean beyond. Pool refinished October 24 with all new equipment and water features! Retire to a private primary wing with splendid views from the bedroom, access to the pool deck, en suite bathroom, walk-in closet, and attached study. A masterfully appointed Chefs kitchen is equipped with custom cabinetry, generous island, and high-end appliances. The gorgeous banquette offers stunning open ocean views while the formal dining room is nearby for larger gatherings. Relax on one of several porches such as the covered veranda just off the kitchen which is tailor-made for poolside entertaining with a well-equipped Summer Kitchen. After youve enjoyed the front row seat of stunning sunset views, host memorable movie nights in the exquisite home theater! Family and visitors will enjoy elevated accommodation in any of three upstairs guest suites, each with en suite bathrooms, and one with its own private balcony offering panoramic ocean views! The intuitive floor plan design has added bonuses such as two laundries, a pool accessible bath, a loft, an elegant elevator accessing all floors, and a first-floor garage with secure parking for 4+ vehicles with added storage. Built to withstand the elements with impact doors and windows. Included in the sale is an additional manicured lot, just across the street with a deep-draft canal, complete with a 62 dock to enjoy frequent boating and fishing with ease. In an established neighborhood, but in proximity to town, this spectacular property wont last long!

$13,895,000
Marathon
Seawatch   - MM: 53.50
5 Bed, 5 Baths, 4,187 SqFt Days Listed: 681
Single Family - Active - Waterfront Yes
Side of Island: Bay/Gulf - Dockage: Boat Slip560ft.Rip R

If you are looking for a beautiful place to call home, your very own paradise awaits! Located in the heart of the Florida Keys, Marathon is a tranquil and serene place to live, surrounded by the crystal clear waters of the Gulf of Mexico. This modern beachfront property has it all. Its one of a kind, unique and breathtaking! Enjoy island living in this stunning 5 bedroom home with views from every room. Come experience the beauty of the Florida Keys and make Marathon your new home. If privacy is important to you, this is the home for you. Your private beach awaits along with a boat dock which has a 25,000 lbs boat lift attached, dock has room for a yacht and jet skis. Property also includes an additional boat slip within the Seawatch marina. Also enjoy entertaining at your very own tiki bar and custom outdoor kitchen. Want a drink but dont want to get out of the pool? No problem. Swim up to the pool bar and enjoy a refreshing drink while still soaking up the sun. Once youre here, you have no reason to leave!

$14,500,000
Marathon
Casa Manana Shores   - MM: 50.50
6 Bed, 6 Baths, 10,852 SqFt Days Listed: 205
Single Family - Active - Waterfront Yes
Side of Island: Bay/Gulf - Dockage: Basin,Boat Slip218ft

Casa Manana Shores, located in the heart of Marathon, is a developers dream or a private owners potential paradise. This secured gulf front estate offers 3.86 acres of land and is surrounded by an eight foot concrete wall with three gated entrances. The property boasts approximately 540 linear feet of Highway frontage and 695 linear feet of water frontage. It offers 218 feet of concrete seawall, including a cut-in protected boat slip. There is even room for a helicopter landing pad to be installed. This unique property is zoned mixed-use commercial and comes with one commercial transferable building right. It is currently a private residence with a separate garage and workshop. The 10,852 square foot mansion is solid concrete construction. It has ten bedrooms, six and a half bathrooms, a sauna, game room and great room. Repairs are needed, and the interior needs significant updating. An attached partially screened enclosure holds an impressive 12 ft deep swimming pool that measures 25 x 50 ft. The garage/workshop is a separate structure with two rooms with a mini split air conditioner. The existing structures could be demolished for those with a vision, leaving you with a 3.86 acre blank canvas in the center of town. Its versatile zoning designation offers multiple possibilities for residential and/or commercial use. Over the years it has previously housed a motel with a marina, a 19-unit trailer park, and a restaurant. This property presents the opportunity to create the ultimate secluded retreat of your dreams!

$14,999,000
Key Colony
Coury Subdivision   - MM: 53.50
9 Bed, 9 Baths, 7,270 SqFt Days Listed: 400
-17.59% ($3,201,000) 4 Price Changes : Last Change 13 Days Ago
Single Family - Active - Waterfront Yes
Side of Island: Ocean - Dockage: Boat Lift

Nestled along the sun-kissed shores of exclusive 15th Circle on prestigious Key Colony Beach is the iconic Lighthouse. This expansive and recently updated home offers the epitome of luxury coastal living. With its private beachfront, youll wake up to the gentle lull of the waves and breathtaking views of the Atlantic Ocean. Relaxation meets sophistication. This spacious residence boasts:Generously sized living spaces designed for comfort and coastal elegance married with an open concept capsulating the tranquil Atlantic Ocean views.Upgraded kitchen equipped with modern appliances, perfect for culinary enthusiasts and entertainers alike.9 stylish bedrooms, each offering serene views and ample natural lightImpeccably renovated bathrooms with premium fixtures and finishesOwners quarters for unparalleled privacy and comfort boasting an Owners Suite that coastal living dreams are made of, complete with a generous walk-in closet, steam shower, tub, double vanity with storage galore, a separate living space with wet bar, pilates and music studio overlooking the ocean, beautiful home office and so much more. Private beachfront, one of a kind sparkling oceanfront pool for refreshing dips and lazy afternoons under the sun20k lb boat lift and private mooring ball granting seamless access to the crystal-clear watersOutdoor spaces ideal for entertaining, from intimate gatherings to lavish partiesWhether you seek a serene retreat or an entertainers dream, this Key Colony Beach gem offers the ideal canvas to live your coastal dream. Experience the allure of Florida living in this luxurious waterfront haven. Embrace the serenity of oceanfront luxury living.

$21,000,000
Marathon
Sea Crest Heights   - MM: 52.00
5 Bed, 5 Baths, 8,573 SqFt Days Listed: 16
Single Family - Active - Waterfront Yes
Side of Island: Ocean - Dockage: Boat Ramp,Other Dock

Immerse yourself in a tropical paradise where luxury knows no bounds. This breathtaking five-acre oceanfront estate, with 244 feet of private ocean frontage, is the crown jewel of the Florida Keys. From the moment you pass through the gates, youll be captivated by a world of elegance, privacy, and unparalleled amenities.At the heart of this premier estate lies a resort-style pool oasis, complete with waterfalls, a waterslide, and a Tahitian-style river with private bedroom balconies offering entrance to the pool and leading to a swim-up tiki bar--perfect for lavish entertaining or tranquil escapes. The custom-designed 5,600+/- square foot main residence by DAsign Source showcases exquisite craftsmanship and architectural brilliance. A separate 2,999 sq.ft. guest house offers a private retreat with its own kitchen, multiple bathrooms, and spacious living areas, ideal for hosting guests or staff. A private marina and boat ramp provide direct access to the world-famous waters of the Keys, with the bait shack nestled alongside for all things fishing and boating. Inside, every corner of this estate is designed to impress. A gourmet kitchen, opulent guest suites with private balconies offering entrance to the the lush poolscape, and a luxurious movie theater ensure every moment here is extraordinary. The primary en-suite dazzles with a stunning bathroom offering a retreat style sanctuary. Beyond the elegance, the estate is built with durability and functionality in mind, featuring impact-resistant windows and doors, generator, and cistern. Outside, explore expansive porches, a rain forest and fruit orchard, multiple garages, a carriage house, a tortoise habitat and even the potential for a private hangar. This estate isnt just a home; its a lifestyle--your personal resort blending tropical serenity, architectural excellence, and unmatched prestige. Discover the ultimate in coastal living, where every day feels like an extraordinary getaway.

The information being provided by the Florida Keys MLS is exclusively for consumers' personal, non-commercial use, and it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. The data is deemed reliable but is not guaranteed accurate by the MLS. Data last updated on 01-22-2025.
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