Key Biscayne Homes for Sale

Key Biscayne Homes for Sale

Welcome to Key Biscayne, Florida – a tropical paradise that embodies the essence of coastal living! Nestled in the heart of Miami-Dade County, this picturesque island town is renowned for its stunning beaches, lush greenery, and vibrant community. With its idyllic location just a stone's throw from the bustling city of Miami, Key Biscayne offers the perfect blend of tranquility and convenience.

As you explore this charming enclave, you’ll discover an array of outdoor activities that make it a haven for nature lovers and adventure seekers alike. From the pristine shores of Crandon Park Beach to the scenic trails of Bill Baggs Cape Florida State Park, residents enjoy year-round sunshine and a plethora of recreational opportunities. The local community is vibrant and welcoming, with a variety of shops, restaurants, and cultural events that foster a strong sense of belonging.

For those looking to call Key Biscayne home, the real estate market is brimming with opportunities. Homes for sale in this coveted area range from luxurious waterfront estates to charming single-family homes, each offering unique features and breathtaking views. Whether you’re seeking a modern condo with panoramic ocean vistas or a cozy family home surrounded by nature, Key Biscayne has something for everyone.

With its unparalleled lifestyle, rich cultural experiences, and stunning natural beauty, Key Biscayne is not just a place to live; it’s a place to thrive. Discover your dream home in this enchanting community and embrace the vibrant island life that awaits you!

Newest Key Biscayne Homes for Sale

$5,990,000
5 Beds ⋅ 5 Baths ⋅ A12074814 MLS
Prime location on one of Key Biscayne’s most exclusive residential streets, surrounded by some of the island’s most prestigious waterfront estates. An exceptional opportunity to own a substantial residence in the heart of Miami’s island paradise. Situated on a generous 10,000 SF lot, this light-filled home offers 4,759 SF of living space, five bedrooms, four full bathrooms and one half bathroom, providing wonderful space, privacy, and flexibility for today’s lifestyle. High ceilings and abundant natural light enhance the home’s generous proportions, while well-defined living, dining, and family areas create a comfortable and functional floor plan for both everyday living and entertaining. The interior spaces open to an expansive covered terrace, creating a natural connection to the outdoors and allowing for year-round enjoyment of South Florida living. Surrounded by lush, mature landscaping, the private backyard features a beautiful swimming pool and generous areas for outdoor dining, entertaining, and spending time with family and friends. Built in 1995 and complete with a garage, the residence can be enjoyed as it is today while offering endless possibilities to personalize and enhance over time. A rare opportunity to make this home your own while enjoying an exceptional address, privacy, and the extraordinary lifestyle that make Key Biscayne one of South Florida’s most desirable places to call home

501 Bay Lane, Key Biscayne
$19,900,000
5 Beds ⋅ 4 Baths ⋅ A12071221 MLS
Seize a rare opportunity to create a landmark waterfront estate on one of the largest residential lots in Key Biscayne’s exclusive Mashta Island enclave. Spanning an extraordinary 22,140 square feet, this exceptional property offers 138 feet of pristine water frontage and sweeping open water views, providing an unparalleled setting for a world class residence.Plans by renowned architect, Pablo Corazzini of Vitalini Corazzini Architects, are available to the buyer, offering a thoughtfully conceived vision that takes full advantage of the property’s remarkable scale, premier waterfront setting, and spectacular sunsets. The proposed design creates an extraordinary canvas for sophisticated indoor-outdoor living and entertaining, should the buyer choose to pursue the concept.With its exceptional lot size, expansive water frontage, and coveted Mashta Island address, this is a truly irreplaceable opportunity to create a legacy estate in one of South Florida’s most prestigious waterfront communities.

520 S Mashta Drive, Key Biscayne
$29,900,000
8 Beds ⋅ 9 Baths ⋅ A12069861 MLS ⋅ Village Estate BLDG.
Spectacular contemporary estate set on a coveted cul-de-sac along Cape Florida Dr., one of Key Biscayne’s most prestigious and private addresses. Situated on a 23,724 sq ft lot with +250 ft of waterfront and an elevation of 8.71 ft above sea level, this home offers 8 bedrooms (including a guest suite and 2 staff quarters), 8.5 baths, a private dock, boat lift, and resort-style pool. A grand foyer with soaring ceilings introduces an architectural masterpiece designed by renowned architects and built by Interscope. Additional features include an elevator, a full-home generator, a reinforced concrete seawall, a 2-car garage plus a porte-cochere for 4 cars, and a driveway for 8+ cars. Discover the exceptional potential of this unique estate—a perfect blend of elegance, privacy, and premier waterfront living.

241 Cape Florida Drive, Key Biscayne
$14,990,000
4 Beds ⋅ 6 Baths ⋅ A12051668 MLS
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
$18,500,000
4 Beds ⋅ 5 Baths ⋅ 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
$237,000,000
5 Beds ⋅ 9 Baths ⋅ A12005335 MLS
485 W Matheson Drive is one of America’s most iconic waterfront estates, representing a rare convergence of presidential history, cinematic legacy, and unparalleled waterfront scale. Set on approximately 2.38 acres with an extraordinary 862’ of direct Biscayne Bay frontage, the property captures sweeping, unobstructed views of the Miami skyline and open bay, offering a level of presence and exclusivity rarely found in South Florida. Once the “Winter White House” of, the estate also achieved cinematic fame as the Frank Lopez residence in Scarface, with original architectural elements still preserved, including the iconic glass elevator. Offers 5BR + gym (can be converted to 6th BR) 7+2BA, and approximately 13,500 SF (per owner) across three levels, featuring soaring 24’+ ceilings, marble floors, and walls of glass framing breathtaking bay views. Expansive living, dining, and kitchen areas open to large terraces, creating seamless indoor-outdoor living ideal for both everyday comfort and grand-scale entertaining. Resort-style grounds include a piano-shaped saltwater pool, cabana bath, lush tropical landscaping, and expansive lawn areas with artfully integrated lighting extending the estate’s experience well beyond sunset. A private marina, formerly a presidential helipad—features rare 3-phase power and dockage for yachts up to 200’, plus over 34,000 SF of submerged land, making this one of Miami’s most significant and irreplaceable waterfront holdings in the world.

485 W Matheson Drive, Key Biscayne
$5,200,000
5 Beds ⋅ 5 Baths ⋅ A12037837 MLS
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 Road, Key Biscayne
$19,450,000
7 Beds ⋅ 8 Baths ⋅ A11912105 MLS
Situated on the exclusive island of Key Biscayne, this extraordinary 7,000sqft waterfront estate sits on a rare double lot located on Hurricane Harbor overlooking tranquil Manatee Lagoon. The property offers an unparalleled sanctuary of luxury and seclusion with features including a 4 car garage ideal for collectors, professionally landscaped yard well suited for outdoor entertaining, 7 bedrooms and 7.5 baths including live-in staff quarters. Expansive living areas flow seamlessly to large outdoor, covered porches becoming your al fresco living room for outdoor dining or relaxing and soaking in the beauty of the natural environment. As the sun hits the horizon, Sunsets light up the sky illuminating the clouds in a breathtaking array of tropical colors.Text listing agent. 24hr notice

550 Harbor Drive, Key Biscayne
$3,980,000
5 Beds ⋅ 4 Baths ⋅ A11986564 MLS
This beautiful villa-style residence in Key Biscayne sits on charming Cranwood Drive, a quiet, residential street lined with mature oak trees near the Village entrance. Home offers 5RB/4BA, including a staff BR with ensuite bath and private entrance. Interior features include classic Cuban tile and parquet hardwood floors, French doors, Thermopane windows, LED lighting, and custom designer millwork. The home presents 3,077 total SF on an elevated 10,007 SF gated lot with wood fence and custom Dade County pine gate. Mature tropical landscaping surrounds the property, and a brick walkway leads to the welcoming fountain entry. Outdoor features include a free-form Bisazza glass pool with 32-ft lap lane and a spacious screened patio lounge with a fountain for a true indoor-outdoor experience. Inside, the spacious living room boasts high ceilings, custom millwork, a wood-burning fireplace, and direct patio lounge access. A private dining area sits next to the gourmet kitchen with a pitched wood-beamed ceiling, large center granite island, top-tier Electrolux, Whirlpool/Profile appliances, plus a breakfast area with a stained-glass window. The private principal suite includes a flexible office/den space, walk-in closet, ensuite bath, and garden access. Three additional bedrooms, including a private guest suite, all overlook lush gardens. This rare offering combines privacy, tropical charm, and exceptional living in one of Key Biscayne’s most desirable locations.

269 Cranwood Drive, Key Biscayne
$19,800,000
4 Beds ⋅ 9 Baths ⋅ A11934196 MLS
Enjoying an exceptional 270ft of L-shaped water frontage facing 185-ft-wide Pines Canal and the natural beauty of Bill Baggs Cape Florida State Park, this elegant island-coastal estate is tailored to a boating lifestyle. Offering calm and naturally sheltered harbor, concrete seawall, boat lift, dockside kitchen and side-dock boat storage that preserves unobstructed water views, the property provides a sense of openness, privacy, and tranquility. Clean architectural lines, an internal garden courtyard, and generous covered terraces fill the residence with natural light and create a seamless connection to the surrounding water and landscape. This elevated home offers 4 bedrooms plus staff quarters, 5 bathrooms, and 4 half-baths within 8,240 sqft of living space on a 16,500-sqft lot.Architectural tray ceilings, refined millwork, custom wall paneling, and thoughtfully designed built-ins with abundant storage add depth and craftsmanship while maintaining a light, contemporary coastal aesthetic. Formal living and dining rooms with elegant millwork provide an ideal setting for entertaining. The kitchen is appointed with Calacatta Gold marble countertops, gas cooking, Sub-Zero and Viking appliances, and a butler’s pantry. Additional highlights include 2 family rooms, fitness center with water views, 2 garages accommodating 7+ cars/golf carts, temperature-controlled wine cellar for 1,400+ bottles, elevator, retractable screen doors, generator and saltwater heated pool.

100 Cape Florida Drive, Key Biscayne
$8,500,000
6 Beds ⋅ 7 Baths ⋅ A12021891 MLS
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 Drive, Key Biscayne
$9,800,000
6 Beds ⋅ 7 Baths ⋅ A11782945 MLS
Exceptional Estate in Key Biscayne. Discover an extraordinary opportunity to own a stunning modern residence on over 19,000 sq ft lot—an exceptional find in the heart of Key Biscayne. This expansive property offers a generous backyard, perfect for outdoor living, entertaining, or creating a private oasis where kids can play freely. The home features 6 bedrooms, 6.5 bathrooms, a dedicated office, and high ceilings that enhance the bright, open ambiance. Designed with a sleek, modern aesthetic, the interior boasts luxurious finishes and thoughtful amenities, including a wine cellar, pool, and a 2-car garage. Located on a quiet street, this residence blends privacy with convenience. Experience the best of island living with unparalleled space and style.

31 Island Drive, Key Biscayne
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