luxury houses for sale Key Biscayne, United States

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.

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.

An exceptional opportunity to own a renovated residence on iconic Mashta Drive, offering refined island living in one of Key Biscayne’s most prestigious neighborhoods. This elegant home features a custom Yamini kitchen with high-end appliances, 5 bedrooms plus den, and 5 luxurious baths designed for comfort and entertaining. A desirable sun orientation fills the interiors with natural light. Outdoors, enjoy a private tropical oasis with a beautiful pool, colonial red brick pool deck and back patio, and an elevated balcony ideal for outdoor living. Lush landscaping enhances the front of the property, creating striking curb appeal. Built with impact windows and doors and offering a generous parking area. Ideally located minutes from beaches, marinas, dining, parks, and top-rated schools.

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.

Elevated five-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. Tenant responsible for water, landscaping and sewer.

Welcome to Cay Polynesia! This 1BD/1BA is your opportunity to step into one of Miami's most coveted communities, Key Biscayne living at an incredible entry point. The building offers a resort-style pool surrounded by lush landscaping, 1 assigned parking space, and exclusive private beach access. A pleasure to show!

A truly exceptional Miami Modern Tropical residence set on a prime 8,010 SF corner lot, offering 3,549 SF of beautifully curated living space with 4 bedrooms and 3.5 bathrooms. Designed by architect Hervin Romney, a founding member of Arquitectonica, the home reflects a distinctive architectural vision inspired by the organic principles of Frank Lloyd Wright and the expressive forms of Antoni Gaudí, where art, design, and nature seamlessly converge. This residence captivates with its abundance of natural light, soaring high ceilings, fluid open spaces, and harmonious lines that create a sense of warmth, sophistication, and effortless flow throughout the main living areas. The beautifully remodeled kitchen and bar are a true centerpiece, featuring high-end appliances, premium finishes, refined craftsmanship, and a design that balances functionality with striking aesthetics. Step outside into your own private tropical retreat, where lush landscaping, graceful curved terraces, and a stunning swimming pool create an atmosphere of tranquility and escape. This outdoor sanctuary is perfect for both relaxation and entertaining. As an added privilege, the property includes membership to the Key Biscayne Beach Club, offering exclusive access to one of Miami’s most coveted coastal lifestyles. Key Biscayne is renowned for its pristine beaches, charming restaurants, and vibrant yet relaxed atmosphere—delivering a true island lifestyle just minutes from the city.

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 est

Overlooking Biscayne Bay, 485 W Matheson Drive stands as one of America’s most iconic and irreplaceable residential estates — a true trophy asset where presidential history, cinematic legacy, and unmatched waterfront scale converge in extraordinary fashion. Set across approximately 2.38 acres with an exceptional 862 feet of direct bay frontage, the estate commands unobstructed panoramic views of the Miami skyline and Biscayne Bay, offering a level of prestige, privacy, and exclusivity rarely attainable in South Florida. Historically recognized as the “Winter White House,” the estate also achieved global cinematic status as the residence of Frank Lopez in Scarface, while still preserving original architectural elements, including the iconic glass elevator. Spanning approximately 13,500 square feet across three levels, the residence features 5 bedrooms, a gym convertible into a sixth suite, 7 full bathrooms, and 2 powder rooms. Monumental 24-foot ceilings, marble flooring, and dramatic walls of glass frame breathtaking bay views throughout the home. Expansive living, dining, and entertaining spaces flow seamlessly onto oversized terraces, creating a sophisticated indoor-outdoor lifestyle perfectly suited for both everyday living and large-scale entertaining. The resort-style grounds include a signature saltwater piano-shaped pool, outdoor cabana bath, lush tropical landscaping, and expansive manicured lawns enhanced by expertly integrated landscape lighting that transforms the estate after sunset. A defining feature of the property is its extraordinary private marina — formerly serving as a presidential helipad — equipped with rare three-phase power and docking capacity for yachts up to 200 feet, in addition to more than 34,000 square feet of submerged land rights. An irreplaceable waterfront compound widely regarded as one of the most historically significant and architecturally iconic estates in the Miami luxury real estate market.

A Rare Beachfront Setting with Direct Ocean Views This two-bedroom, two-bathroom beachfront residence offers a refined Key Biscayne setting. From every room, the apartment captures direct ocean and beach views, bringing coastal light and energy into the home throughout the day. Designed with a desirable split-bedroom layout, it features generous living and dining areas that open onto an extended balcony with uninterrupted views of the ocean and shoreline, complemented by tranquil garden greenery below. The primary suite enjoys sliding glass doors leading to the balcony, enhancing the seamless indoor–outdoor flow and inviting the ocean breeze into everyday living. While comfortable as presently configured, the residence presents a compelling opportunity for a thoughtful renovation, offering the potential to create a truly tailored beachfront retreat. Set within an elegant, low-density oceanfront building, valued for its peaceful ambiance and immediate proximity to the shoreline, this residence embodies the understated sophistication and timeless appeal of Key Biscayne living. Residents enjoy the tranquility of an island community known for its beaches, parks, and village feel, while remaining within immediate reach of Miami’s cultural, dining, and business centers.

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.

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.

Key Biscayne Waterfront - Unbeatable Location. Experience Miami's skyline views from your private saltwater pool and man-made beach. This elegant four-bedroom residence features marble floors, impact-glass windows, and a modern open kitchen filled with natural light. Enjoy two electric boat slips, direct water access for kayaking or paddleboarding, and a spacious two-car garage. Currently leased until December 1, 2025.

Dominating the Key Biscayne skyline, this Geoffrey Bradfield-designed penthouse is a rare display of power, prestige, and absolute luxury. Encompassing 13,630 sq. ft. with 10,421 sq. ft. under air and 3,000+ sq. ft. of oceanfront terraces, it commands 100 feet of unobstructed beachfront with sweeping sunrise and sunset views. Directly adjacent, the $100M+ newly reimagined Ritz-Carlton and its brand-new Beach Club sit at your footsteps, elevating exclusivity to a world-class level. Inside, soaring ceilings showcase a showpiece chef's kitchen, grand dining, four-private en-suites, a refined executive office, staff quarters, and couture-caliber closets. Includes five premium parking spaces and five oversized private storage cages. A true trophy residence at the apex of coastal luxury