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$5,000,000 - $6,000,000 Florida Keys Homes For Sale - Real Estate

Total Listings 24
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$5,950,000
Marathon
Crains Subdivision   - MM: 58.00
3 Bed, 3 Baths, 5,220 SqFt Days Listed: 100
Single Family - Active - Waterfront Yes
Side of Island: Bay/Gulf - Dockage: Boat Lift,Basin

Nestled on a secluded 2-acre lot in Grassy Key, Marathon, this gated waterfront estate boasts 5,220 sq. ft. and is highlighted with a ton of amenities including two docks, 4 post boat lift, private sandy beach and an infinity-edge elevated pool blending seamlessly with the gulf and featuring a built-in table and chairs for relaxing or entertaining. Expansive covered areas by the pool offer shaded spots for lounging and has direct access to the living areas. Double entry doors with intricate carved wood details welcome you into a light-filled home. The open-concept living area is graced by large windows and sliding glass doors that frame panoramic views and create a seamless connection between indoors and outdoors. A striking marble fireplace serves as the focal point. Every element of this home reflects thoughtful design, from the impact-rated doors and windows, in-house elevator plus marble floors, exquisite cabinetry, and refined finishes enhancing the homes timeless appeal. The main kitchen is a chefs delight, featuring granite countertops, two wine coolers, and abundant cabinetry. A cozy dining nook encased in windows offers stunning gulf views, creating the perfect setting for every meal. The primary suite is a sanctuary of luxury, featuring panoramic gulf views, a two-sided fireplace, and direct access to the pool. The en-suite bathroom offers a private sauna, jetted tub, walk-in shower, and makeup counter, creating a spa-like retreat. The guest quarters are designed for comfort and independence, offering a morning kitchen and two guest suites. Each suite includes its own en-suite bathroom and generous closet space, ensuring privacy and convenience for visitors. The large office can also serve as a 4th Bedroom. Additional amenities include a home theater room complete with reclining seats and bar plus an oversized 3-car garage with lift.

$5,992,000
Summerland Key
Summerland Key Cove   - MM: 25.00
6 Bed, 6 Baths, 4,981 SqFt Days Listed: 117
-7.67% ($498,000) 2 Price Changes : Last Change 9 Days Ago
Single Family - Active - Waterfront Yes
Side of Island: Ocean - Dockage: Boat Lift

Experience unparalleled luxury in this Brand New 2025 Custom Built Smart Home. 6,128 SQ FT concrete-constructed oceanfront home, situated in prestigious Summerland Key. With 90 feet of ocean frontage and breathtaking southwest views of the Atlantic Ocean, this home is the ultimate retreat for those seeking elegance, comfort, and adventure.The third floor is the heart of this home, featuring an infinity-edge pool and spa that frame magnificent sunsets and ocean vistas. Seamlessly blending indoor and outdoor living, the expansive entertainment areas promise unforgettable gatherings. This magnificent custom home offers six spacious bedrooms with ensuite bathrooms, including a dual primary suite that can serve as two bedrooms or a private suite with an office. Additional features include: A state-of-the-art sound proof home theater room with Marantz 11.2 surround sound, 16 screen, and 8K JVC projector.Custom Canadian birch cabinetry and Thermador WiFi-enabled appliances throughout. A boaters Paradise
 designed for water enthusiasts, the property features: Two boat lifts (25,000 LB and 10,000 LB), A 6 x 90 concrete dock with two tiers for jet skis and kayaks. Deepwater access with a 90 wide, 28 deep channel leading directly to the Atlantic and Gulf.Proximity to world-class snorkeling and diving at Looe Key Coral Reef.Unmatched durability and sustanibility, built to exceed 180 MPH wind loads, solid concrete floors, walls & roof.This home includes: All high-impact Marvin & Euro-Wall windows and doors.70 solar panels (34.5 KW of power) and 4 Tesla Power Walls 57.6KW powers home.Three on-demand hot water systems and a 10,000-gallon rainwater cistern.Exceptional features include; Private elevator servicing all three levels. RV/Boat garage (15 W x 50 D x 14 H) with 50 AMP/220V service. Tesla charging station. WiFi-enabled smart home systems, including AC, pool pumps, and appliances. See Documents Tab / Possible Seller Financing.

$5,999,000
Key Haven
Key Haven 10th Add   - MM: 5.00
6 Bed, 6 Baths, 6,611 SqFt Days Listed: 181
-14.29% ($1,000,000) 4 Price Changes : Last Change 1 Day Ago
Single Family - Active - Waterfront Yes
Side of Island: Bay/Gulf - Dockage: Boat Lift200ft.

This Key Haven Estate rests on over 15,000 square feet of land with more than 260 linear feet of water access all while boasting over 6500 square feet of the finest living accommodations in the Florida Keys. The main Home has 5 Bedrooms and 4 and 1/2 bathrooms, the guest house has 3 bedrooms and 3 bathrooms. 39 Evergreen has the finest finishings all encased in 11 inches of solid concrete using insulated concrete forms and solid poured floors and stairs. Utilizing this type of Construction not only provides tremendous safety and privacy but allows for the impact glass windows and doors to be protected by hidden European style roll down shutters. The home has a vast 60 long pool with multiple levels, waterfalls and 6 seats to the swim up bar in the custom gazebo, perfect for entertaining, or when you are finished in the homes Private 400+ Square foot Gym. This home can accommodate over 9 vehicles in its 3800 Square Foot garage and has a Generator and Fire Suppression system for additional safety and security.

$5,999,900
Marathon
Waloriss Subdivision   - MM: 49.50
6 Bed, 6 Baths, 3,987 SqFt Days Listed: 288
Single Family - Active - Waterfront Yes
Side of Island: Ocean - Dockage: 70ft.Rip Rap

🌴 EXQUISITE WATERFRONT PROPERTY - LUXURY, COMFORT & HIGH RENTAL INCOME IN MARATHON! 🏝️Discover this modern and solid concrete home, boasting 7,117 sqft of construction, designed for ultimate comfort and high short-term rental profitability. Currently rented weekly, with rates ranging from $1,400 to $2,100 per night, depending on the season.🏡 PROPERTY HIGHLIGHTS:✅ 6 spacious bedrooms, each with its own bathroom and closet, including 2 luxurious master suites.✅ 7.5 bathrooms, with high-end finishes and an excellent layout.✅ Modern gourmet kitchen, equipped with state-of-the-art appliances.✅ Elevator for added convenience and accessibility.✅ 2 air conditioning units, ensuring comfort throughout the home.✅ Impact-resistant windows and doors, providing security and energy efficiency.🌊 OUTDOOR & ENTERTAINMENT FEATURES:🔥 Large heated pool with jacuzzi and childrens area, perfect for family enjoyment.🚤 Navigable canal with a private 70 dock, just 5 minutes from open waters.🎱 Covered entertainment area on the first floor, featuring a full kitchen and pool table.📺 TVs in all bedrooms and common areas, ensuring entertainment in every space.📦 Spacious storage area on the first floor, ideal for nautical equipment and more.📍 Prime location, just half a mile from the stunning Sombrero Beach, one of the best beaches in the Florida Keys.This property offers luxury, comfort, and an exceptional short-term rental investment opportunity. Dont miss out on this one-of-a-kind home!📞 Contact us today for more information or to schedule a private showing!

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 04-01-2025.
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