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Florida Keys Homes on the Bay / Gulf Side of the Island For Sale

Total Listings 407
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$12,500,000
Marathon
Casa Manana Shores   - MM: 50.50
6 Bed, 6 Baths, 10,852 SqFt Days Listed: 338
-13.79% ($2,000,000) 2 Price Changes : Last Change 2 Days Ago
Single Family - Active - Waterfront Yes
Side of Island: Bay/Gulf - Dockage: Boat Slip,Basin218ft

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!

$13,400,000
Lower Matecumbe
Safety Harbor   - MM: 74.00
6 Bed, 6 Baths, 4,394 SqFt Days Listed: 157
-10.07% ($1,500,000) 2 Price Changes : Last Change 77 Days Ago
Single Family - Active - Waterfront Yes
Side of Island: Bay/Gulf - Dockage: Boat Lift220ft.

Welcome to BAYVIEW HIDEAWAY a generously sized, COMPLETELY RENOVATED home with top-tier finishes showcasing stunning Florida bay views of calm waters and vibrant nightly sunsets, combining tropical charm with modern luxury--ideal for those in search of a tranquil getaway in an unforgettable PRIVATE setting. Situated on TWO SEPARATE LOTS-each with its own parcel ID--the buildable bayfront lot has endless potential. The price per square foot reflects this extraordinary opportunity. The property features 220+/- FEET OF CONCRETE DOCK, an additional 200+/-feet of water frontage, THREE BOAT LIFTS, helicopter access, a NEW PRIVATE POOL, and SIX BEDROOMS EACH WITH WATER VIEWS. Ideally located in Islamorada just north of the Channel 5 Bridge with its 65 clearance and 30 minutes from Marathon executive airport, it offers nearly IMMEDIATE ACCESS to the ocean or Intracoastal Waterway, world-class offshore and backcountry fishing, reef diving, and an array of nearby attractions, outdoor activities, and dining--striking a perfect balance of seclusion and accessibility ideal for any boater, angler or water enthusiast!

$15,990,000
Ocean Reef
Misc Ocean Reef Subdivisiond   - MM: 905.00
8 Bed, 8 Baths, 5,417 SqFt Days Listed: 300
-5.89% ($1,000,000) 1 Price Change : Last Change 2 Days Ago
Single Family - Active - Waterfront Yes
Side of Island: Bay/Gulf - Dockage: n/a

A Rare Opportunity to Own One of Ocean Reefs Finest EstatesSet on one of the largest and most prestigious lots in Ocean Reef Club, this newly constructed waterfront masterpiece is designed to be a legacy estate--a home to be cherished by generations to come. With 8 bedrooms, 7.5 baths, a private guest casita, and a full elevator system, this is a resort-style sanctuary that balances elegance, comfort, and enduring quality. Move in this summer and experience unobstructed long Ocean Reef sunset views from this exceptional Sunrise Cay residence.Unparalleled Design & Versatility:-5,417 SF of Interior Space + 1,633 SF of Outdoor Living-Main House: 4,657 SF | Casita: 760 SF (2 Beds, 1 Bath, Living Room, Full Laundry)-Two Expansive Primary Suites (One on Each Level)-Flexible Spaces: 8 bedrooms can sleep 14 guests, or be transformed into home offices, a fitness studio, or media lounge-Second-Floor Coffee Bar & Dual Laundry RoomsResort-Style Outdoor Living:-100 of Direct Waterfront with a 50 Private T-Dock-632 SF Pool + 63 SF Spa with a cabana bath-Outdoor Gas Fireplace, Wolf Outdoor Kitchen, and Al Fresco Dining-Lush Mature Landscaping for Privacy & TranquilityWorld-Class Chefs Kitchen:-72 LaCanche French Range & Sub-Zero Refrigeration-Custom Mouser Cabinetry & Dual Kitchen Islands-Quartz Countertops & Wolf Stainless Steel Outdoor KitchenBuilt for Longevity, Security & Comfort:-774 SF Garage + Motor Court for Multiple Vehicles & Golf Cart Parking-Impact-Resistant Sliding Glass Doors & Windows-Two-Story Concrete Shell Construction + Metal RoofThe Best of Ocean Reef ClubLocated in the exclusive Sunrise Cay neighborhood, this private waterfront sanctuary offers rare unobstructed sunset views, direct boating access, and is just moments from the clubs championship golf courses, private airstrip, marina, and elite dining.This rare opportunity to own a generational Ocean Reef estate wont last

$22,500,000
Key Largo
Unplatted Lower K.l.   - MM: 92.00
8 Bed, 8 Baths, 8,949 SqFt Days Listed: 458
-10.00% ($2,500,000) 1 Price Change : Last Change 63 Days Ago
Single Family - Active - Waterfront Yes
Side of Island: Bay/Gulf - Dockage: Dock Privileges,Boat

Experience Absolute Paradise! A Legacy Florida Keys Estate offering ultimate privacy & tranquility. The Orchid Cove Estate spans 14.5 Acres offering 1,000 ft. of waterfront & Private Beaches accessed through a grand entrance surrounded by a breathtaking canopy of exotic trees. Award winning Botanical gardens surround the property featuring impeccably curated nature trails leading to the main house, a boathouse, guest villas, & beach cove. Main residence rises 10 ft above the ground level, entered through a footbridge surrounded by coral rock waterfalls & koi ponds. Expansive water views, Library, Theater, Spa & Wellness room, Elevator & Chefs kitchen, private boat dockage,10+ car garage, catering facilities, generator & more. Daily spectacular sunsets. Arrive by seaplane, boat, or car.

$25,000,000
Upper Matecumbe Key Islamorada
Russell Estates   - MM: 83.20
7 Bed, 7 Baths, 6,935 SqFt Days Listed: 139
Single Family - Active - Waterfront Yes
Side of Island: Bay/Gulf - Dockage: Boat Lift,Basin,Boat

Welcome to Serenity Cay, an exquisite Balinese-inspired estate where tranquility and luxury meet the endless beauty on the Florida Bay. A true masterpiece of engineering and design, this sprawling waterfront residence on nearly 4 acres offers an unparalleled blend of tropical elegance, sophisticated craftsmanship, and modern luxury. An expansive infinity-edge pool blends seamlessly into the sparkling waters of the bay while lush gardens create a serene oasis. The homes architecture showcases graceful, custom finishes and rich hardwoods, all hallmarks designs that evoke the spirit of the Islands. Spanning over 6,900 square feet, the interior is a seamless fusion of open-concept living spaces and private retreats. Soaring vaulted ceilings and vast windows invite abundant natural light and spectacular views of the bay, creating an indoor-outdoor flow. The primary suite serves as your personal sanctuary, complete with private terrace, spa-inspired bathroom, and walk-in closets fit for a connoisseur of fine living. Each guest has direct access to outdoor spaces and views. A bonus, versatile bunk room/media center sits just off the west wing of the home. The charming guest house is the perfect complement to the main home, nestled in its own secluded on site location this delightful addition exudes a warm, welcoming ambiance ideal for hosting guests, or as a private office or creative studio. This downtown Islamorada estate in an incomparable location; walking distance to shopping, dining, and local culture, also has appeal that extends to those with a passion for the great outdoors. Two protected docking basins and boat lift, sandy lounging beach, expansive outdoor lanai and outdoor kitchen offers the ideal space for entertaining or enjoying a quiet evening watching the sunset. Fly the seaplane in or land the helicopter. Premier boating access just moments away from the Intracoastal waterway and Ocean channels. Serenity Cay is not just a home, its an experience.

$31,200,000
Lower Matecumbe
Misc Lower Matacumbe   - MM: 76.00
8 Bed, 8 Baths, 10,228 SqFt Days Listed: 4
Single Family - Active - Waterfront Yes
Side of Island: Bay/Gulf - Dockage: Boat Lift,Boat Ramp1

Spectacular 1.65-Acre Bayfront Estate in Islamorada, Florida Keys |
8 Bedrooms | 9.5 Bathrooms | 10,228 Total Sq Ft | 150 Waterfront | Dockage | Pool | BeachWelcome to a rare offering in the heart of the Florida Keys--this 1.65-acre gated bayfront compound in Islamorada combines timeless island luxury with modern amenities and endless water views. With 150 feet of private waterfront, dockage, boat ramp, private beach, two pools, and lush, mature tropical landscaping, this estate is a true Keys sanctuary.The 7,562 sq ft main residence boasts 5 spacious bedrooms, 6 full bathrooms, an office, and exquisite finishes throughout. The gourmet kitchen features marble and dolomite countertops, a custom mosaic tile backsplash, built-in Miele coffee system, wine tap, 36 Wolf gas cooktop, four Sub-Zero refrigerators, and two laundry rooms. A stunning 180-bottle glass wine cellar, handmade wood bar with wood sink, Sonos sound system, and media-ready living room with blackout shades enhance the entertaining potential.Additional highlights include an elevator, Lutron lighting system, Toto toilets, expansive covered porches with panoramic open bay views, an outdoor kitchen complete with Italian brick pizza oven, flat grill, and smoker, as well as a tackle room and 4-car garage.The 2,666 sq ft guest house offers a private gated drive, 3 bedrooms, 4 bathrooms, a private pool, and a fully equipped kitchen with JennAir appliances, making it ideal for hosting guests or extended family in complete privacy.With two gated driveways, serene lawns, and a high-end tropical ambiance, this estate seamlessly blends privacy, prestige, and paradise.A one-of-a-kind legacy property - experience the ultimate Florida Keys lifestyle.

$35,000,000
Marathon
Crains Subdivision   - MM: 58.00
9 Bed, 9 Baths, 9,530 SqFt Days Listed: 99
Multi-Units - Active - Waterfront Yes
Side of Island: Bay/Gulf - Dockage: Boat Lift,Basin,Boat

Zephyr Cove; the extravagant aquatically inspired retreat that you deserve. Located on the breathtaking waterfront nestled along the Gulf and designed and built by DAsign Source. This stunning estate invites you to experience the perfect balance of luxury, tranquility, and adventure. With both fresh and saltwater elements woven into its design, every detail has been thoughtfully crafted. At the heart of the property lies a lazy river loop infinity pool, complete with bridges, swim-up pool bar in gazebo, spa with table, lap pool, beach-style entries, and waterfall grotto plus gas fire pit, putting green, and tropical gardens. From floating under the sun, entertaining guests, or enjoying a peaceful evening by the water, this home was manifested for unforgettable moments.Grand main residence vaunts an impressive private primary wing and elegant open spaces designed for comfort and entertainment. Indoor amenities include a temperature-controlled wine room, game room, home theater, fitness center, and conference room; endless ways to unwind and enjoy life. Two additional charming two-bedroom villas and a separate two-bedroom guest house are perched next door, perfect for hosting family and friends with style and privacy.Designed for the ultimate coastal lifestyle with outdoor kitchen and dining areas set against breathtaking Gulf views, ideal for entertaining or simply soaking in the beauty of your surroundings. Ample dockage and multiple boat lifts for your toys, located right between Vaca cut and Toms Harbor Cut for easy Ocean access. Expansive garages and storage spaces provide ample room for vehicles, boats, and all essentials. Whole-home 130kw generator in its own private structure, ensuring peace of mind no matter the season. This is where everyday life feels like youre being pampered at a lavish resort. Step into a world where the beauty of nature meets unparalleled craftsmanship and let the magic of the Gulf welcome you home. 15 min to private airport.

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 06-04-2025.
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