Key Biscayne Homes for Sale

Key Biscayne Homes for Sale

Welcome to Key Biscayne, a picturesque island paradise nestled off the coast of Miami in Miami-Dade County, Florida. Known for its pristine beaches, lush landscapes, and vibrant community spirit, Key Biscayne offers a unique blend of relaxation and adventure, making it a coveted destination for homebuyers seeking both tranquility and excitement.

This charming village boasts an array of outdoor activities, from kayaking and paddleboarding in the crystal-clear waters to exploring the scenic trails of Bill Baggs Cape Florida State Park. With its beautiful beaches, residents can enjoy sun-soaked days and stunning sunsets, creating an idyllic backdrop for a leisurely lifestyle. The island is also home to a thriving dining scene, boutique shopping, and community events that foster a strong sense of belonging.

For those looking to invest in their dream home, Key Biscayne presents a diverse selection of properties for sale. From luxurious waterfront estates and modern condos with breathtaking ocean views to cozy single-family homes nestled in serene neighborhoods, there’s something to suit every taste and budget. Many homes feature spacious layouts, upscale finishes, and easy access to the beach, ensuring that residents can fully embrace the island's enchanting lifestyle.

Whether you’re searching for a seasonal retreat or a permanent residence, Key Biscayne’s real estate market is ripe with opportunities. Discover the charm of this coastal gem and find your perfect home in Key Biscayne, where every day feels like a vacation. Embrace the island life and make your dream a reality in this stunning Florida enclave!

Newest Key Biscayne Homes for Sale

$14,990,000
4 Beds ⋅ 6 Baths ⋅ A12051668 MLS ⋅ Cape Florida Sub Sec 3 BLDG.
Best-priced waterfront residence on Key Biscayne, offering an exceptional 100 feet of water frontage and a true boater's paradise. Tucked away on one of Paradise Island's most private and exclusive streets, this extraordinary residence is where contemporary design meets the serenity and exclusivity of life on the water. Thoughtfully and completely remodeled, including a brand-new roof, the home is bathed in natural light, enhanced by soaring ceilings, and showcases a sophisticated open-concept floor plan designed for both effortless everyday living and exceptional entertaining. Expansive social spaces flow seamlessly to a spectacular outdoor oasis featuring a resort-style pool, generous sun-drenched terraces, and a fully equipped summer kitchen…creating the perfect backdrop for unforgettable gatherings. Designed with both luxury and versatility in mind, the residence offers four spacious ensuite bedrooms, four full bathrooms, a powder room, and a cabana bath. A private office and a dedicated gym provide exceptional flexibility and can easily be transformed into a fifth bedroom, guest suite, media room, or additional living space to suit your family's lifestyle. Situated on a wonderful 14,500 SF lot, this remarkable property offers an extraordinary sense of privacy. Modern, refined, and impeccably appointed, this is more than just a home…it is a private waterfront sanctuary where timeless architecture, elegant interiors, and the beauty of island living come together as one.

161 Cape Florida Drive, Key Biscayne
$6,685,000
5 Beds ⋅ 6 Baths ⋅ A12046311 MLS ⋅ Tropical Isle Homes Sub 1 BLDG.
Designed by Praxis Architecture, this pristine contemporary residence showcases a spacious double-height living room with panoramic windows and natural light, sophisticated high-end finishes.The home features five spacious ensuite bedrooms, an elegant powder room, custom-built closets, and a designer Italian Veneta Cucina® kitchen with premium Miele® appliances. Expansive indoor and outdoor living areas flow seamlessly together, enhanced by private terraces.The outdoor setting includes a covered terrace with wood ceiling finishes, a fully equipped summer kitchen with built-in barbecue, dishwasher, two fridges, and a wet bar, plus a private pool and jacuzzi—ideal for entertaining and relaxing year-round. Additional features include a security camera system, covered carport, parking for up to six vehicles, five built-in storage spaces, and custom outdoor enclosure shades.

445 Ridgewood Rd, Key Biscayne
$18,500,000
4 Beds ⋅ B26058354 MLS
BRING ALL OFFERS! Exceptional waterfront opportunity in prestigious Key Biscayne. Set on a 15,000 sq. ft. lot with 100 feet of water frontage, this residence offers open-water views, direct Biscayne Bay access, and no fixed bridges to the ocean. Currently undergoing a complete renovation, it will feature modern finishes, impact windows and doors, new systems, spacious living areas, a chef's kitchen, and luxurious bathrooms. Enjoy a private dock, deep-water access, pool, breathtaking sunsets, and an unmatched boating lifestyle in one of South Florida's most desirable communities One of the most compelling waterfront opportunities currently available in all of Key Biscayne. Perfectly positioned on the exclusive and highly coveted Mashta Island, this exceptional property offers approximately 100 feet of prime waterfront, deep-water dockage, direct Biscayne Bay access, and no fixed bridges to the Atlantic Ocean, creating an unparalleled opportunity for boating enthusiasts and yacht owners. Mashta Island has long been recognized as one of South Florida's most prestigious residential enclaves, offering exceptional privacy, quiet tree-lined streets, oversized waterfront estates, and immediate access to the open waters of Biscayne Bay while remaining only minutes from Brickell, Downtown Miami, Coconut Grove, Coral Gables, Miami Beach, and Miami International Airport. Very few neighborhoods offer this combination of island living, security, boating lifestyle, and proximity to the city's financial and cultural centers. The residence is currently on renovation designed to transform the property into a contemporary waterfront estate while preserving the exceptional value of its location and oversized waterfront parcel. This is substantially more than a cosmetic renovation. The project includes major improvements throughout the residence, including redesigned living spaces, upgraded electrical and plumbing systems, new HVAC equipment, impact-resistant windows and doors, premium flooring, modern architectural lighting, designer finishes, and a completely reimagined interior intended to meet today's luxury lifestyle expectations. Upon completion, the home is anticipated to offer spacious entertaining areas, beautifully appointed bedroom suites, bathrooms, an impressive chef's kitchen featuring custom cabinetry, premium appliances, elegant countertops, and thoughtfully designed indoor-outdoor living spaces that maximize the spectacular waterfront setting. The property's exceptional orientation provides beautiful water views and unforgettable sunsets while creating an ideal environment for entertaining, family gatherings, and year-round outdoor living. The expansive backyard offers generous space surrounding the swimming pool together with multiple areas for outdoor dining, lounging, and enjoying the waterfront lifestyle that has made Key Biscayne one of the most desirable residential communities in South Florida. For boating enthusiasts, few properties can offer the combination of oversized waterfront, private dockage, deep-water access, and unrestricted navigation to Biscayne Bay and the Atlantic Ocean without fixed bridges. Whether accommodating a large sport yacht, cruising yacht, center console, or multiple vessels, the waterfront configuration provides flexibility rarely available in today's market. Key Biscayne continues to be recognized as one of South Florida's most exclusive island communities, celebrated for its pristine beaches, excellent schools, private clubs, marinas, tennis facilities, parks, bicycle paths, restaurants, and relaxed coastal lifestyle. Residents enjoy the unique advantage of living within a peaceful island environment while remaining only a short drive from Miami's world-class shopping, fine dining, cultural institutions, private airports, international business centers, and professional sports venues. The supply of premium waterfront homes on Mashta Island remains extremely limited due to the neighborhood's established character and finite number of waterfront parcels. As a result, opportunities to acquire large waterfront lots with substantial dockage and direct ocean access continue to be highly sought after by both domestic and international buyers. The combination of location, waterfront dimensions, boating accessibility, oversized lot, and comprehensive renovation creates a property with exceptional long-term appeal. Showings are strictly by appointment with the Listing Agent.. All measurements, dimensions, lot size, square footage, waterfront frontage, dock dimensions, room sizes, zoning, taxes, permits, specifications, plans, renderings, and property information are believed to be accurate but are not guaranteed and should be independently verified by Buyer. Renderings, conceptual plans, floor plans, specifications, and construction updates are available upon request when applicable. This offering represents an extraordinary opportunity to secure one of Key Biscayne's waterfront residences . Whether as a primary residence, seasonal retreat, or long-term investment, this property combines one of South Florida's most desirable locations with an outstanding boating lifestyle and exceptional future value. Bring All Offers.

631 N Mashta Drive, Key Biscayne
$8,250,000
6 Beds ⋅ 9 Baths ⋅ A12040744 MLS ⋅ Tropical Isle Homes Sub 4 BLDG.
There are homes that are beautiful, and then there are homes that leave a lasting impression. This extraordinary brand-new 2026 designed by Kubik is one of a kind. With breathtaking architecture, exceptional attention to detail, and a floor plan designed for the way people truly live today, this is a home that immediately captivates from the moment you enter. Filled with natural light and generous open spaces, every room feels inviting, comfortable, and connected to the beauty that surrounds it. The residence offers 6 bedrooms, 8 full bathrooms, and 1 powder room, along with a spectacular rooftop terrace and an additional flexible space that could become a private gym, office, yoga studio, art room, or peaceful retreat. A dramatic spiral staircase serves as a beautiful architectural centerpiece, adding character and elegance to the home's design. The primary suite is particularly special...surrounded by lush gardens, it feels worlds away from everyday life. The spa-like bathroom further enhances the feeling of escaping to your own boutique resort. Created with family gatherings and entertaining in mind, the outdoor spaces are every bit as impressive as the interiors. The pool, spacious terraces, and barbecue area provide the perfect backdrop. Offered completely turnkey and finished with impeccable taste including a 2 car-garage and elevator, rarely does a newly constructed residence combine such striking architecture with so much warmth and soul, creating a masterpiece.

165 Hampton Ln, Key Biscayne
$5,200,000
5 Beds ⋅ 5 Baths ⋅ A12037837 MLS ⋅ Biscayne Key Estates BLDG.
Beautiful elevated Mediterranean-style residence offering 5 bedrooms, 4.5 bathrooms, plus a den/office, surrounded by lush tropical landscaping that creates a true private oasis. Situated on a desirable corner lot, the property features a heated pool and expansive patio area, complemented by winding paved pathways framed by exotic palms, lychee and mango trees. With approximately 3,929 SF of living space, this elegant home showcases marble floors throughout, a gourmet kitchen with custom wood cabinetry, granite countertops and stainless-steel appliances, as well as spacious formal living and dining areas designed for both entertaining and everyday comfort. Additional highlights include a library, private office/den, generous bedroom accommodations, a two-car garage, and abundant natural light throughout. Combining timeless Mediterranean architecture with exceptional indoor-outdoor living, this residence offers the perfect setting to enjoy the island lifestyle.

797 Glenridge Rd, Key Biscayne
$5,199,000
6 Beds ⋅ 5 Baths ⋅ A12035700 MLS ⋅ Biscayne Key Estates BLDG.
Elevated six-bedroom home on a quiet island street, centrally located. Double-high ceilings in the living room, marble flooring, wood floors in bedrooms, two en suite rooms. plus master bedroom with separate shower and tub. Upstairs family room, lush landscaping, pool, and elevated structure. Carport Garage plus two covered parking spaces. Additional storage downstairs for potential use as game room, open layout, and access to outside ideal for entertaining. Includes beach club membership.

650 Curtiswood Dr, Key Biscayne
$7,450,000
7 Beds ⋅ 9 Baths ⋅ A12034564 MLS ⋅ Tropical Isle Homes Sub 3 BLDG.
Discover this striking contemporary residence, perfectly positioned on an oversized 9,258 SF lot on Harbor Drive, one of Key Biscayne’s most elegant and prestigious streets. Built in 2020, this architectural masterpiece offers 6 bedrooms plus a private office, 7 full baths, and 2 powder rooms across 4,565 SF of beautifully designed living space. Filled with natural light, the home showcases expansive open living areas, impressive volume throughout, and a sleek custom kitchen featuring bespoke cabinetry and top-of-the-line finishes. An elevator provides seamless access to all three levels, culminating in a spectacular rooftop terrace with captivating island views and refreshing bay breezes…a unique advantage of being just moments from the water. Designed for effortless indoor-outdoor living, the exterior features a resort-style saltwater pool and spa, summer kitchen, cabana bath, and generous entertaining areas surrounded by lush tropical landscaping. Additional highlights include , EV charger, and ample driveway parking. Combining exceptional design, comfort, and functionality, this residence embodies the very best of island living in one of Key Biscayne’s most distinguished locations. Just minutes from Miami, Key Biscayne is a hidden island paradise where pristine beaches, world-class outdoor recreation, and a relaxed yet sophisticated lifestyle come together in a way that few places can match.

425 Harbor Dr, Key Biscayne
$4,950,000
5 Beds ⋅ B26004621 MLS
Experience island living at its best in this renovated 4,220SF estate within Grand Bay Estates, Key Biscayne's only guard-gated single-family enclave! This 5BR/5.5BA home features a 2021 roof, new tankless water heaters, new AC units and full storm protection! The kitchen shines with Quartz counters & Sub-Zero, Wolf, & Miele appliances, plus a dual-zone Sub-Zero wine fridge. The versatile layout includes all en-suite bedrooms, staff quarters, & private in-law suite with its own entrance. A rare find for Key Biscayne is the climate controlled 2-car garage plus golf cart garage. The backyard oasis offers a heated saltwater pool, summer kitchen & retractable awning, perfect for entertaining! HOA covers lawn care, 24hr security, pool maintenance, pest control, plus private park & playground! For the ultimate experience in luxury and privacy, look no further!

24 Grand Bay Estates Circle, Key Biscayne
$9,200,000
5 Beds ⋅ 6 Baths ⋅ A12021022 MLS ⋅ Biscayne Key Estates BLDG.
A modern Key Biscayne home elevated by $1M+ in owner upgrades. This 5BD/5.5BA, two-story residence spans 4,416 SF and lives like new—built in 2017 and thoughtfully enhanced throughout. The first floor flows around stunning pool views, anchored by an open living, dining, and Miele kitchen. Clean lines and warm woods balance bold with inviting. A dedicated gym, office, laundry, and media room with projector & hidden screen complete the interior. Smart-home tech controls sound (hidden speakers and projector), lights, and alarm. Full-perimeter camera system and rooftop solar with battery backup add security and efficiency. Move-in ready contemporary living at its finest on the island on a quiet pedestrian-free street.

625 Curtiswood Dr, Key Biscayne
$7,490,000
5 Beds ⋅ 7 Baths ⋅ A12025834 MLS ⋅ Tropical Isle Homes Sub BLDG.
BRAND-NEW CONSTRUCTION HOME IN ONE OF KEY BISCAYNE’S MOST PRESTIGIOUS AND PRIVATE ENCLAVES SURROUNDED BY LUSH TROPICAL LANDSCAPING! This exceptional Contemporary Residence offers 5 Bedrooms with a service area, 5.5 Bathrooms + a Cabana Bath. 3,768 Interior SF on a Lush Corner Lot on a quiet street. Soaring double-height ceilings & expansive impact glass windows that fill the interiors with abundant Natural Light. The Home offers Enhanced Privacy and an Impeccable Floor Plan designed for modern living & entertaining. Gourmet eat-in Kitchen with Custom Cabinetry & top-of-the-line Miele Appliances. Spacious Outdoor Spaces include a Private Rooftop Terrace with a summer kitchen, newly designed gardens, beautifully landscaped grounds, and a Resort-style Pool enveloped by Lush Greenery. Perfectly located just moments from the Beach, Parks, Restaurants & Key Biscayne’s top-rated schools, this residence combines timeless design, exclusivity & an unparalleled island lifestyle

571 Glenridge Rd, Key Biscayne
$8,500,000
6 Beds ⋅ 7 Baths ⋅ A12021891 MLS ⋅ Tropical Isle Homes Sub 4 BLDG.
A unique architectural masterpiece in the heart of Key Biscayne, this brand-new contemporary residence by Praxis Architecture blends modern tropical luxury with exceptional craftsmanship and bespoke European finishes. Set on an oversized 9,000 SF lot, the residence offers 6 bedrooms, 6 full bathrooms, 1 half bath, and over 4,190 SF of curated living space designed around natural light, privacy, and seamless indoor-outdoor living. Imported Spanish porcelain and ceramic surfaces, Italian-engineered wood flooring, Portuguese interior doors, and refined finishes sourced from the United Kingdom create a warm and sophisticated architectural atmosphere throughout. Custom millwork — including the kitchen, bar, wardrobes, and integrated TV units — was exclusively crafted by a French maison specializing in ultra-luxury bespoke cabinetry. The residence highly designed kitchen is equipped with Wolf, Sub-Zero, and Miele appliances, smart-home automation, and integrated security. Outdoor spaces feature a spectacular 36-foot swimming pool, expansive terraces, summer kitchen, lush private garden patio, and multiple entertaining areas designed for effortless resort-style living. Located moments from tennis courts and the Key Biscayne Yacht Club, beaches, marinas, top-rated schools, and the best of island living, this residence represents one of Key Biscayne’s most thoughtfully designed brand new-construction homes - Expected to be finished in July 2026. Easy to Show!

238 Buttonwood Dr, Key Biscayne
$3,200,000
4 Beds ⋅ 3 Baths ⋅ A12015581 MLS ⋅ Tropical Isle Homes Sub 4 BLDG.
Experience refined island living in Key Biscayne, a true paradise just minutes from downtown Miami. This beautifully renovated residence offers 4 bedrooms, a private office and 3 bathrooms. The chef's kitchen showcases premium appliances and generous counter space, seamlessly flowing into bright family room, dining and living areas ideal for both everyday living and entertaining. Impact windows and doors enhance security and efficiency throughout. Step outside to your private tropical oasis featuring a heated saltwater pool, lush landscaping, and inviting outdoor spaces perfect for relaxation. Beach Club membership. A rare opportunity to own a slice of paradise in one of most exclusive island community.

301 Hampton Ln, Key Biscayne
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