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Upper Keys Homes for Sale, Single Family Houses, MLS Home Listings

Total Listings 335
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$10,500,000
Lower Matecumbe
Lower Mat Beach   - MM: 74.00
6 Bed, 6 Baths, 6,100 SqFt Days Listed: 345
Single Family - Active - Waterfront Yes
Side of Island: Median - Dockage: Boat Lift

Discover this luxurious ocean view gated home on a point lot over 1/2 acre, featuring over 6,000 sq ft of living space, 6 bedrooms, 5 bathrooms, and 4 oceanfront rooms. Highlights include soaring ceilings, a large garage, putting green, an elevator, deep water access with 2 boat lifts (45,000 and 16,000 lb), beachfront and canal access, and a multi-million dollar renovation. Enjoy easement rights for tennis and pickleball courts. A rare blend of elegance and coastal bliss.

$10,900,000
Lower Matecumbe
Mat Sandy Beach   - MM: 75.00
4 Bed, 4 Baths, 4,512 SqFt Days Listed: 9
Single Family - Active - Waterfront Yes
Side of Island: Bay/Gulf - Dockage: Boat Lift,Boat Slip,

Discover the unparalleled beauty and tranquility of this Bayfront Estate, nestled on the pristine shores of Lower Matecumbe in the Florida Keys. Surrounded by lush, meticulously landscaped grounds, this exceptional property offers direct waterfront on the crystal clear waters of the Gulf. Experience breathtaking sunsets over the horizon, world-class tarpon fishing just steps away, and private dockage with ample space for multiple boats.Unwind in the stunning infinity pool, blending seamlessly with the serene surroundings. This is a rare opportunity where every moment feels like a dream!Developed with two buildings, splitting the living between the two making this unique design quite special. Embrace this exciting design or modify and create your own design. Blending the two buildings brings all living together. Other treasures of this estate property include a 2 car garage, separate guest suite, expansive indoor outdoor entertaining overlooking the bay, separate concrete building for versatile use, boat lift, boat ramp, German inspired fireplace, electric gate, sprawling green space, and so much more.Owner is ready to sell. What an opportunity!

$11,900,000
Plantation Key
Treasure Harbor   - MM: 86.50
6 Bed, 6 Baths, 7,160 SqFt Days Listed: 21
Single Family - Active - Waterfront Yes
Side of Island: Ocean - Dockage: Boat Lift,Boat Slip3

Modern luxury meets barefoot elegance in this oceanfront masterpiece in Islamorada! Stunning ocean views can be seen from almost every room in this spectacular home. Designed for casual living and entertaining, indoor and outdoor living is seamless and allows for year round enjoyment of the Florida Keys lifestyle. Open ocean views, 380 ft. of dockage with power and water and a cut in boatslip with a 25,000 lb. boatlift will accommodate your boats and water toys. Boasting 6 bedrooms, each with ensuite baths, a 3 story elevator whisks you from the ground level to the main living level on the second floor. Here you will find an open floor plan accented with high coffered ceilings and tall windows and doors opening to ocean views. The kitchen has a large island with quartzite counters and a waterfall edge, GE Monogram appliances and walk in pantry. The primary suite offers ocean views, his and hers closets and a magnificent bath with a double vanity, free standing tub and ingenious double shower. There is a junior primary suite on this level with its own breakfast bar and refrigerator. The game room is on the 3rd floor with exceptional ocean views, service bar and 600 bottle wine vault! Also on this floor are 4 guest bedrooms with ensuite baths. This oceanfront oasis is gated for privacy and features a 3 car garage plus an additional single car garage! The pavered driveway leads to the front door and entrance foyer where you see the pool and oceanfront beauty shining through. To the left is the gym to work off last nights dinner and the pool deck and dock are straight ahead ready for some fun today. There is plenty of shade by the outdoor kitchen or you can relax on the oceanfront chaises. The pool with sun shelf and spa are ready for your friends and family to enjoy. Need a little extra shade? An oceanfront tiki sits beside a fire pit for the perfect transition from day to night! Tiki torches along the waterfront are the perfect evening accent!

$12,000,000
Key Largo
Coral Coast Corrected Plat   - MM: 96.00
7 Bed, 7 Baths, 7,567 SqFt Days Listed: 152
Single Family - Active - Waterfront Yes
Side of Island: Bay/Gulf - Dockage: Boat Lift220ft.

Magnificent custom built Bay Front mansion located in Coral Coast. A distinctive gated enclave of only 15 luxury estates. This marvelous Beachfront home is set in the natural beauty of native hardwood hammocks. The home enjoys the rare combination of a private pristine white sandy beach combined with the benefit of a 220-foot dock, multiple boat lifts, ample dockage, and 5 feet of depth. The satisfaction of owning this home, meticulously designed to provide the ultimate in comfort and luxury, goes far beyond the beauty of its surroundings.No expense was spared in Design, Construction, and Materials. State of the art construction techniques such as Post Tensioned concrete slabs, Brazilian Oak hardwood floors, long lasting 1000-gallon buried propane gas tank, high end Elite solid wood cabinetry, Classic elegant Crema Marfil marble on all interior & exterior ground floors, driveways, staircases, terraces, and an elevator serving all levels are just the beginning of a long list of special features too numerous to mention here.This property is strategically located just 40 minutes from the mainland for convenient access when arriving to or leaving from paradise. Beyond a retreat for personal relaxation, this Beachfront estate offers ample space for the entire family and guests. Watching the sunset, playing beach volleyball, Kayaking, paddle boarding, or hosting beachside barbecues at this exquisite home will be part of cherished memories with family and friends for years to come.

$13,750,000
Key Largo
Misc Subdivision Mm 97 107   - MM: 98.00
4 Bed, 4 Baths, 2,000 SqFt Days Listed: 30
Single Family - Active - Waterfront Yes
Side of Island: Ocean - Dockage: Boat Lift,Boat Slip,

Aptly named The Sanctuary Islet, this secluded peninsula is a rare gem nestled within a protected 25 acre private park like preserve of native trees and mangroves in scenic Key Largo, the first island of the Florida Keys. Where privacy is a top perk. The Sanctuary Islet is an incomparable resort-like home that comes with all the amenities you can imagine except for neighbors. A one-of-a-kind, private peninsula surrounded by the Atlantic Ocean, it is comparable only to living on a private island - yet walking distance to restaurants, bars, grocery stores and pharmacies. Offers the ultimate privacy - behind two private entry gates, is likely to be the most secluded and private property in all the keys. Home foot print is 4,000 sq ft. upstairs with over 2,000 sq feet of balcony and 4,000 sq ft downstairs. Includes additional separate guest house plans pre approved for 3 bedroom 3 baths with similar design as main house. As featured in Global Mansions -The Wall Street Journal, this estate was designed by a world renowned architect-engineer team and built to withstand direct impact cat 5 storm with minimal or no damage. Navigate your boat into your own protected boat slip. Accommodates a 45 boat - 24,000 pounds lift offering a large turning radius - into the wide open turning basin. No more fairway maneuvers needed. Conveniently located adjacent to the property and accessible via your own private road. A truly magical property that exudes peaceful tranquility unlike no other property in the keys.Possible unity with adjacent property - creating a family compound estate resort style- all behind a private gated entrance offering absolute seclusion. Offering privacy unlike no other.Owner- Broker.

$13,995,000
Upper Matecumbe Key Islamorada
The Russell Estates   - MM: 83.50
7 Bed, 7 Baths, 6,696 SqFt Days Listed: 129
Single Family - Active - Waterfront Yes
Side of Island: Ocean - Dockage: Boat Lift50ft.Concre

Discover the essence of elegance at Southern Paradise, a coastal masterpiece nestled along the Atlantic Ocean. Located at Mile Marker 83, this property offers direct Old Road access, perfect for walking, biking, or carting. With over 200 ft of beachfront on 1.5 acres, the main residence boasts sunny verandas, 5 bedrooms, 6.5 baths, and more than 5,600 sq ft of air-conditioned living space. A separate guest cottage provides an additional 2 bedrooms and 2 baths, ideal for visitors seeking comfort and privacy. A paved old brick driveway leads up to both entrances and garage. From the moment you step into the inviting french door entrance your eyes are fixated on blue sky, beach and water. The 1st floor living space opens to a cool, grassy lanai, leading to the beach, a lap pool, and a hot tub. Spacious patios offer ample room for guests to savor the Caribbean breezes, while the pier, skiff lift, and kayak launch provide easy ocean access. The main residence is designed for entertaining, featuring expansive ceilings and a layout that includes both an East and a newly added West wing. Each generously appointed bedroom comes with its own ensuite bath, ensuring ultimate comfort and privacy for family and guests. On the 1st floor, East-facing french doors open to over 1,900 sq ft of covered terrace. The open-concept great room encompasses a kitchen equipped with a Wolf gas range, double SubZero refrigeration, and an attached wine cellar, all centered around an expansive island counter. A wet bar and powder room adjoin the kitchen, enhancing convenience for gatherings. The West wing includes an exercise room with a full ensuite spa bath and a luxurious primary suite. The master bath features an ocean-view soaking tub, double vanities, a separate shower, bidet, and water closet.This wing also offers a well-equipped laundry room, storage cabinetry, an office alcove, and direct garage access. 2nd floor presents 2 guest rooms that share a sitting room, wet bar, & terrace.

$14,500,000
Key Largo
Ocean Isle Estates   - MM: 106.00
5 Bed, 5 Baths, 5,113 SqFt Days Listed: 135
-3.33% ($500,000) 1 Price Change : Last Change 3 Days Ago
Single Family - Active - Waterfront Yes
Side of Island: Ocean - Dockage: 100ft.

Garden Coves Southern Diversion is a peaceful and private North Key Largo escape, conveniently located right off John Pennekamp State Park and just a stones throw from Ocean Reef and quick ride to South Miami. Gorgeous open water view throughout the spacious home, plus over 350 of waterfront; excellent boating location just south of Jewfish Creek Bridge for fast Ocean to Bay access. Multiple nearby fishing and dining destinations make this property all the more desirable. Protected 30 and 70 docks on the inside canal for your island living toys. The home is being offered together with additional back lot and plans for guest home, both mixed use zoned parcels allow for wedding venue and vacation rentals or to host an abundance of events and guests. Current rental income available upon request.

$14,500,000
Plantation Key
Plantation Beach   - MM: 87.50
5 Bed, 5 Baths, 9,011 SqFt Days Listed: 545
Single Family - Active - Waterfront Yes
Side of Island: Ocean - Dockage: 80ft.Concrete

Nestled in the panoramic setting of Islamorada, Florida, the brand new construction at 87895 Old Hwy offers a premium blend of luxury, privacy, and elegant island living. Sprawled over two acres on the azure Atlantic, this opulent abode stretches a massive 9,011 sq ft under air, extending to over 15,000 sq ft under roof. The expansive property includes five spacious bedrooms, five state-of-the-art baths, along with three additional half baths. The home features Thermador /Uline appliances including ice makers & upgraded eco-insulated commercial CGI windows and doors, an additional investment of $200k over the original allowance, that enhance the comfort and luxury of the interiors. Experience unmatched waterfront vistas with the houses 160 ft concrete jetty wrapped in a retaining wall and an 80 ft dock with electric and water facilities. Preserve your luxury vessels on the 20k 4 post elevator lift, adding convenience to lifestyle. The residence also includes an exercise room w/ possible conversion to 6th bedroom, theater room w/ possible conversion to 7th bedroom , office/den, & a laundry room on each level. An elevator ensures smooth movement across the floors. Indulge in outdoor living with the private pool, jacuzzi & around 1735 sqft of porches for lavish entertainment & serene lounging.The property comes protected by a concrete retention wall along the entire perimeter of the shoreline, ensuring complete tranquility. A private gated entrance exudes grandeur while providing security. This estate is zoned (Residential Estate), allowing the owner to apply for vacation rentals, if desired. Currently under construction with an estimated completion date in February or March 2024, the property is perfect for those seeking a custom luxury experience. Enjoy a world-class island living experience in this architecturally significant estate filled with premium luxuries nestled right on the turquoise-blue waters of the Atlantic. Agents please check agent remarks

$14,500,000
Key Largo
Seaside Subdivision   - MM: 94.50
7 Bed, 7 Baths, 6,585 SqFt Days Listed: 87
Single Family - Active - Waterfront Yes
Side of Island: Ocean - Dockage: Boat Lift100ft.Concr

Welcome to 16 Seaside. This is your opportunity to have it all at your truly rare, ocean front, protected lagoon, new construction, Key Largo dream entertainment and relaxation haven. Imagine looking out past your outdoor pool and entertainment suite, across your private lagoon, past your tiki hut on your private beach to your view of the Atlantic Ocean. Outside you have 7 balconies, resort quality pool and covered entertainment oasis, private lagoon with parking for up to six boats each with their own shore power and water, private beach with tiki hut, privacy fences, automatic gate and approximately 2,500 square feet of covered parking. Inside you have all the amenities of a modern, newly constructed luxury home. You will have 6,585 square feet under air with state-of-the-art, comprehensive, fully integrated smart home which include full home lighting, climate control, audio and security, as well as outdoor control of the pool and outdoor lighting, multilevel entertainment options, stunning ocean views, 7 bedrooms with a primary on each floor, 7 full in-suite bathrooms, 2 half baths, multi floor laundry rooms, walk in and climate-controlled showpiece wine cellar, exquisitely appointed custom made kitchen, three level elevator, 4 zone cooling, and a whole home back-up generator. Located in Key Largo, this spectacular home is only an hour drive to Miami offering easy travel, big city entertainment and dining while allowing a quick escape back to the tranquility of your seaside oasis. Enjoy world class fishing and boating with room for all your friends, their boats and all the water toys. Suburban/commercial zoning is investor and 1031 exchange friendly. 16 Seaside is currently under construction and delivery is scheduled for January, 2025. Call today to make sure delivery is to you.***Note: This is a double lot with total lot size of 21,250 sq ft.

$14,900,000
Lower Matecumbe
Safety Harbor   - MM: 74.00
6 Bed, 6 Baths, 4,394 SqFt Days Listed: 25
Single Family - Active - Waterfront Yes
Side of Island: Bay/Gulf - Dockage: Boat Lift220ft.

Welcome to BAYVIEW HIDEAWAY. Situated on 2 SEPARATE LOTS --each with its own parcel ID--the buildable bayfront lot has endless potential. The price per square foot reflects this extraordinary opportunity.This mini estate is surrounded by water on three sides with 435+/- water-frontage and secured by a 6-foot gated entrance. BAYVIEW HIDEAWAY boasts 220+ of concrete dock, complete with three lifts, power, and water. Ideal for boating enthusiasts, the canal accommodates yachts over 80+ feet and offers convenient access to Channel 5 Bridge with 65-foot clearance for seamless bay-to-ocean access. The second lot even has the potential for a helicopter landing.Meticulously renovated by the original builder in 2020-2021, this home was stripped to the bare framework and reimagined with modern updates, including new electric, plumbing, and impact-rated PGT/WinDoor windows and doors, porcelain tile flooring and Level 5 drywall throughout. The property features smart, energy-efficient upgrades, such as 4 Trane AC units with variable-speed smart thermostats, two water heaters, and foam-filled block insulation. Inside, the home offers picturesque water views from every room and features luxurious details, including Turkish marble stairs, vaulted ceilings, Hunter Douglas window treatments, and Italian marble accents in the primary baths. The spacious layout includes six bedrooms, each with private balconies, two primary suites, 4 bathrooms, and a chefs kitchen with Viking appliances, custom cabinetry, and Vetrazzo countertops.The outdoor spaces feature a new saltwater pool built in 2021 with a heater/chiller surrounded by marble pavers, a bar, BBQ area, a gazebo, an orchid house, pergolas, a putting green, and hot tub.Located in Safety Harbor subdivision in Islamorada--BAYVIEW HIDEAWAY is more than just a home; its a lifestyle opportunity. Combining high-end finishes, unparalleled amenities, and a prime bayfront location, this estate is a true gem in the Keys.

$16,000,000
Key Largo
Anglers Park   - MM: 103.00
4 Bed, 4 Baths, 4,000 SqFt Days Listed: 32
Single Family - Active - Waterfront Yes
Side of Island: Ocean - Dockage: 75ft.Concrete

Experience the ultimate in luxury and design at this custom-built masterpiece on a private peninsula along the coveted Adams Cut Waterway. This 4-bedroom, 7-bathroom estate spans 4,000 square feet and offers breathtaking open water views, unmatched privacy, and world-class amenities. From the triple-poured concrete roof to La Finesta impact windows, every detail of this fortress is built to the highest standards. Enter through the curved travertine staircase with underlighting and custom water feature. The main living area features floor-to-ceiling windows, a Nexus TV that descends from the ceiling by remote, and a wet bar with an ice maker and storage. The chefs kitchen is an artistic showpiece, complete with a backlit quartzite waterfall island, soft-close cabinets, a built-in wine cooler, and high-end appliances. The private top-floor primary suite offers a spa-like atmosphere with panoramic views. A bonus room on the same level adds versatility, perfect as an office, gym, or library. And a rooftop infinity pool featuring a swim-up bar, ambient lighting, and water features, creating a resort-style oasis. The ground level is designed for entertaining with a summer kitchen, Lynx grill, salt-chlorinated pool, and teak-clad ceilings. A turf yard and paver driveway adds style and functionality. This home is fully equipped with a whole-house generator, elevator, custom closets, remote controlled shades, and an advanced security system with remote access. A stocked 100-bottle wine cellar, ample dockage, a 20x8-foot swimming platform, and so much more. This estate is more than a home--its a lifestyle. Dont miss the opportunity to experience this extraordinary Key Largo retreat.

$17,000,000
Lower Matecumbe
Mat Ocean Bay   - MM: 75.00
10 Bed, 10 Baths, 6,302 SqFt Days Listed: 4
Single Family - Active - Waterfront Yes
Side of Island: Ocean - Dockage: Davits,Boat Lift,Dav

3 HOMES, OVER 100 PROTECTED DOCKAGE & OVER 550 NATURAL OCEANFRONT BEACH ~Fall in love at first sight as you step into this natural beauty with over a quarter mile of pristine white sand beach that kisses the edge of the Atlantic Ocean. Now being offered for the very first time, this one of a kind legacy property beckons you to bask in original elements of the Florida Keys way of life at Kids Cay. Three charming homes; a timeless 4 bedroom main house plus 4 bedroom guest house and a lovely 2 bedroom caretakers cottage. This tropical and tranquil estate offers ample and protected concrete dockage (104 feet and 34 feet) and oceanfront observation pier. Extra wide and spacious porches adorn every corner of the classic homes and are a seamless blend of indoor and outdoor living maximizing the infinite open water views and constant ocean breezes. Enjoy complete privacy lounging by the resort-style pool or stroll barefoot along your private beach, and nature preserve; a sanctuary for plethoras of beautiful native birds. This estate is the epitome of true island living and serenity and beautifully lends itself to photo shoots, movies, weddings and luxury weekly rentals. This offering is for the south side (over 4 acres upland plus ocean bottom parcel) of property and over 550 of beachfront. See MLS#604054 for entire offering.

$22,500,000
Lower Matecumbe
Matecumbe Ocean Bay   - MM: 75.00
10 Bed, 10 Baths, 6,302 SqFt Days Listed: 722
-24.37% ($7,250,000) 3 Price Changes : Last Change 51 Days Ago
Single Family - Active - Waterfront Yes
Side of Island: Ocean - Dockage: Davits,Boat Lift,Dav

Fall in love at first sight as you step into this natural beauty with over a quarter mile of pristine white sand beach that kisses the edge of the Atlantic Ocean. Now being offered for the very first time, this one of a kind legacy property beckons you to bask in original elements of the Florida Keys way of life at Kids Cay. Three charming homes; a timeless 4 bedroom main house, separate 4 bedroom guest house and a lovely 2 bedroom caretakers cottage. This tropical and tranquil estate has nearly 8.5 acres of upland plus 7.98 acres of ocean bottom plus ample and protected concrete dockage (104 feet and 34 feet) and oceanfront observation pier. Extra wide and spacious porches adorn every corner of the classic homes and are a seamless blend of indoor and outdoor living maximizing the infinite open water views and constant ocean breezes. Enjoy complete privacy lounging by the resort-style pool or stroll barefoot along your private beach, and nature preserve; a sanctuary for plethoras of beautiful native birds. This estate is the epitome of true island living and serenity and beautifully lends itself to photo shoots, movies, weddings and luxury weekly rentals. Also being offered with south side only for $17m see listing #613236.

$22,500,000
Key Largo
Unplatted Lower K.l.   - MM: 92.00
8 Bed, 8 Baths, 8,949 SqFt Days Listed: 326
-10.00% ($2,500,000) 1 Price Change : Last Change 2 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: 7
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.

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 01-23-2025.
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