luxury houses for sale Key Biscayne, United States

Spanning over 6,200 square foot with 6 bedrooms and 6.5 baths, the home sits at the end of a private cul-de-sac with sweeping water and mangrove views. A dramatic entry opens to light-filled living spaces with floor-to-ceiling glass, wide-plank European oak floors, and custom millwork throughout. The sleek chef’s kitchen features Italian cabinetry, a marble waterfall island, and top-of-the-line Miele and Sub-Zero appliances. The primary suite offers a private sitting area, expansive custom closets, and a spa-style bathroom with book-matched marble, freestanding soaking tub, dual vanities, and glass-enclosed rain shower. Secondary suites are equally refined, each with bespoke finishes and private baths. Seamlessly connecting indoors and outdoors, the residence showcases covered terraces with natural stone flooring, a summer kitchen with custom cabinetry and Wolf appliances, and a resort-style pool surrounded by tropical gardens curated by CCLA. A private dock with direct Biscayne Bay access completes the waterfront lifestyle. Located within one of Miami’s most coveted island communities, this estate blends modern craftsmanship with timeless design, just minutes from pristine beaches, parks, dining, and top-rated schools.

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.

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

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.

Enjoying an exceptional 270 ft of L shaped water frontage facing the 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 a calm and naturally sheltered harbor, a 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 four bedrooms plus staff quarters, five bathrooms, and four half baths within 7,996 adjusted square feet of interior space on a 16,500 square foot 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 butlers pantry. Additional highlights include two family rooms, a fitness center with water views, two garages accommodating seven or more cars or golf carts, a temperature controlled wine cellar for approximately 1,400 bottles, an elevator, retractable screen doors, a generator, and a saltwater heated pool.

Some residences are distinguished by their architectural beauty, while others offer an entirely different level of exclusivity. This extraordinary villa at Oceana Key Biscayne represents a rare opportunity to experience the perfect balance of private estate living, expansive outdoor spaces, direct ocean access, and world-class resort amenities within one of Miami's most prestigious residential communities. Meticulously renovated with over $2 million in professionally designed enhancements, this exceptional residence features four generously proportioned ensuite bedrooms, a private study, dedicated staff quarters, and 5.5 bathrooms. Every space has been thoughtfully curated to deliver an elevated living experience defined by sophistication, comfort, and functionality. Set on an impressive 11,400-square-foot lot, one of the largest within the exclusive Oceana community, the property offers the scale, privacy, and sense of independence typically associated with a distinguished single-family estate, while retaining the extraordinary privileges of an exclusive oceanfront residential enclave. The thoughtfully designed interiors and outdoor living spaces create a seamless connection between refined contemporary design and relaxed coastal elegance. A brand-new private swimming pool and a fully equipped summer kitchen with barbecue provide the perfect setting for sophisticated entertaining, intimate gatherings, and effortless outdoor living. Beyond the residence itself, ownership at Oceana unlocks access to an exceptional collection of world-class amenities, carefully designed to elevate every aspect of daily life. Residents enjoy a state-of-the-art fitness center, a curated spa, an exclusive private oceanfront restaurant, dedicated poolside service, tennis courts, and direct beach access. This extraordinary lifestyle offers the sophistication and convenience of a five-star private resort, combined with the intimacy and independence of a substantial private villa. Additional private storage areas, conveniently located both within the residence and in the main building, further enhance the functionality and practicality of this exceptional offering. A truly rare opportunity in Key Biscayne, where the privacy and proportions of an exceptional luxury villa meet the privileges of direct ocean access and the unparalleled amenities of one of Miami's most exclusive residential communities. More than simply an oceanfront residence, this is an invitation to experience an exceptional standard of coastal living, where privacy, exclusivity, and resort-inspired luxury define every day.

Refined 3-story modern contemporary residence on an oversized, beautifully landscaped corner lot along Key Biscayne's prestigious Harbor Drive, just 15 minutes from the Brickell Financial District, and featuring a spectacular rooftop terrace. This 5,328 total SF home offers 6 bedrooms, 4 full baths, and 3 half baths, thoughtfully designed for both elegant living and effortless entertaining. A grand entry with a stylish pivot door welcomes you into light-filled interiors with soaring ceilings, marble floors in the social areas, and wire-brushed white oak flooring upstairs. Panoramic impact windows and multiple terraces create seamless indoor-outdoor flow. The resort-style backyard features a heated saltwater pool with waterfall and inviting lounge areas. The Mia Cucina chef's kitchen anchors the main living space with a marble waterfall island, custom cabinetry, and premium appliances including Wolf induction cooktop/ovens, Sub-Zero refrigeration, and Asko dishwasher. Smart home technology includes Savant automation, Lutron lighting, whole-home audio, and integrated security. The expansive primary suite offers a sitting area, private balcony, covered terrace, beverage station, custom walk-in closets, and a spa-inspired marble bath. A dedicated office, upstairs family room, staff quarters, and laundry room add flexibility. The rooftop entertainment deck includes a summer kitchen with Wolf grill, Sub-Zero refrigeration, lounge areas, and a half bath-ideal for sunset gatherings.

Located in one of the most exclusive residential pockets of Key Biscayne, surrounded by multi-million-dollar estates, this beautifully designed 5-bedroom, 4 full bathroom home offers the perfect balance of privacy, functionality, and tropical lifestyle. The layout is thoughtfully distributed with a private primary suite on one side, a separate nanny/guest suite with its own bathroom, and a dedicated wing for the childrens bedroomsideal for both family living and entertaining. Just steps from top-rated schools and only 10 minutes from the beach, the property features a stunning outdoor space with a resort-style pool and a charming tiki bar, creating the ultimate South Florida oasis. A rare opportunity to own in a highly sought-after neighborhood where surrounding homes reach $10M+.

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.

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.

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

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.