Key Biscayne Real Estate Search

Key Biscayne Properties for Sale

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Newest Key Biscayne Properties for Sale

$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

$237,000,000
5 Beds 9 Baths A12005335 MLS Tropical Isle Homes Resub BLDG.
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 Dr, Key Biscayne

$5,478,000
4 Beds 4 Baths A12010108 MLS Biscayne Key Estates BLDG.
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.

690 Warren Ln, Key Biscayne

$2,900,000
3 Beds 3 Baths A12003348 MLS Mar Azul BLDG.
Your sanctuary awaits at Key Biscayne's most discreet oceanfront address. Living at Mar Azul is what it looks like when you finally stop compromising. With only 126 residences and tucked away at the far end of Grapetree Drive, the property sits precisely where the island gives way to the lush canopy of Bill Baggs Cape Florida State Park on one side and the endless Atlantic Ocean on the other. Spanning an impressive 2,943 living square feet, this residence was thoughtfully reimagined beyond its original design to offer a tranquil haven featuring three generous ensuite bedrooms. Brand new AC and elegant marble and warm wood flooring flow seamlessly throughout the space offering panoramic views of the ocean and the city skyline. Arrive home via a semi-private elevator that serves just two residences per wing. Mar Azul’s amenities include direct beach access, pool, fitness center, BBQ area, and clubroom, all secured by a 24/7 guard and gated entry. Further elevating the experience is the building's dedicated in-house management, ensuring bespoke service and a meticulously maintained environment. Complete with the ultimate convenience of assigned covered parking inclusive of an electric vehicle charging station and a private storage unit. Key Biscayne is a life measured in ocean views, quiet streets, and a village that values exactly that. Mar Azul is where that life begins.

600 Grapetree Dr Unit #10BN, Key Biscayne

$1,500,000
2 Beds 2 Baths A11996164 MLS The Emeraldbay BLDG.
Fully renovated 2-bedroom + ENCLOSED den, 2-bathroom residence with a thoughtful, high-end transformation that goes beyond a typical remodel. The interiors reflect a clean, modern design with custom finishes and carefully integrated upgrades throughout. The open kitchen is designed for both functionality and entertaining, featuring a sleek bar, stainless steel appliances, and seamless connection to the main living area. Custom built-in closets have been incorporated across the residence, maximizing storage while maintaining a refined aesthetic. The layout offers an ideal flow, with the living room and both bedrooms opening directly onto an oversized balcony. This outdoor space becomes a natural extension of the interiors, overlooking the pool area with completely open south-facing views—no neighboring buildings in sight—providing light, privacy, and a sense of openness rarely found. The primary suite includes a spacious walk-in closet and a fully renovated bathroom, executed with elevated finishes. The enclosed den adds versatility, ideal as a home office, guest space, or media room. A unique offering within the building, combining design, functionality, and unobstructed views. Residents enjoy a full suite of amenities including gym, Olympic-size pool, tennis courts, playground, and direct beach access, making it especially appealing for families. Unit is rented until July 31, 2026.

151 Crandon Blvd Unit #241, Key Biscayne

$3,980,000
5 Beds 4 Baths A11986564 MLS Tropical Isle Homes Sub 4 BLDG.
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 Dr, Key Biscayne

$5,495,000
5 Beds 6 Baths A11987710 MLS Tropical Isle Homes Sub 4 BLDG.
Elevated, 3,888 sf Adjusted Area. Sophisticated Mediterranean beach house, elevated and privately set, offering 5 bedrooms, 5 bathrooms, and an additional powder room, surrounded by a lush, mature backyard garden. A double-height cathedral ceiling in the great room fills the home with natural light and opens to a covered terrace overlooking the pool patio, creating seamless indoor-outdoor living. The great room flows into a warm family room and gourmet kitchen, well suited for everyday living and entertaining, and every bedroom is en suite. The serene primary suite includes a sitting area ideal for relaxing or reading. A spacious den with abundant windows and its own full bath offers flexibility as a home office, guest suite, studio, or cabana, with direct access to the patio and pool. Outdoors, enjoy a private setting with an upper veranda shaded by a living canopy of fig vines, an inviting space for dining and lounging, plus an outdoor gourmet area with a wood-fired pizza oven and tools. Additional highlights include solar panels with backup batteries for energy savings and reliability. Two batteries plus potential for expansion, two garages, and a pool with refreshed tile and grout for a crisp, updated finish. Walking distance to the beach, parks, dining, shopping, and everyday conveniences, with convenient access to Miami. Not Included in the sale: all display shelving, two bronze candle holders, and the chandelier hanging above the stairs.

140 Hampton Ln, Key Biscayne

$6,900,000
2 Beds 4 Baths A11973615 MLS Grand Bay BLDG.
Commanding breathtaking Atlantic vistas from its privileged eighth-floor setting at Grand Bay Tower, this residence is a rare offering on Key Biscayne. Enjoying an unusually private setting with unobstructed ocean views and minimal visibility from neighboring residences, the home offers a level of seclusion seldom found in oceanfront condominium living. Originally a three-bedroom, five-and-a-half-bath home, it has been masterfully reimagined into a grand two-bedroom, three-and-a-half-bath layout, enhancing scale and flow for refined entertaining and effortless daily living. Spanning approximately 3,950 square feet, the living and dining areas, a cozy family room, and a bright kitchen with breakfast area are complemented by three terraces totaling approximately 595 square feet, seamlessly integrated to capture sweeping Atlantic views from every room. Custom woodwork by renowned designer Juan Montoya enriches the interiors, while the serene primary suite offers a secluded sitting room, bespoke closets, and a spa-inspired bath, creating a private sanctuary within this singular home. The sale includes a private guest quarters—an increasingly rare and coveted amenity at Grand Bay—as well as two storage units. Combining exceptional scale, refined finishes, remarkable privacy, unobstructed Atlantic views, and desirable ancillary spaces, this residence represents a unique opportunity within one of Key Biscayne’s most prestigious oceanfront buildings.

430 Grand Bay Dr Unit #801, Key Biscayne

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