Key Biscayne Homes for Sale

Key Biscayne Homes for Sale

Welcome to Key Biscayne, Florida – a tropical paradise nestled just a stone's throw from the bustling heart of Miami. This charming island community, located in Miami-Dade County, is renowned for its stunning beaches, lush parks, and a relaxed, family-friendly atmosphere. With the sparkling Atlantic Ocean on one side and the serene Biscayne Bay on the other, Key Biscayne offers a unique blend of natural beauty and upscale living.

As you explore this idyllic enclave, you'll discover a variety of homes for sale, ranging from luxurious oceanfront condominiums to charming single-family houses. Each property reflects the vibrant lifestyle of Key Biscayne, boasting spacious layouts, modern amenities, and breathtaking views. Whether you're seeking a cozy retreat or a lavish estate, you'll find that the real estate market here caters to diverse tastes and budgets.

The community is not just about breathtaking homes; it’s also about the lifestyle. Spend your weekends basking in the sun on the sandy shores of Crandon Park Beach or enjoy a leisurely stroll through the lush greenery of Bill Baggs Cape Florida State Park. The island also features a variety of dining options, boutique shops, and recreational facilities, ensuring that residents have access to everything they need for a fulfilling life.

Key Biscayne is more than just a place to live; it's a vibrant community that embraces the best of Florida living. If you're ready to make your dream of island living a reality, explore the homes for sale in Key Biscayne today and discover the perfect sanctuary that awaits you!

Newest Key Biscayne Homes for Sale

550 Harbor Dr, Key Biscayne
$19,450,000
7 Beds ⋅ 8 Baths ⋅ A12111835 MLS ⋅ Hurricane Cove BLDG.
Enjoy Paradise Found 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 dolphins and manatees swim in your backyard. As the sun hits the horizon, the afterset lights up the sky illuminating the clouds in a breathtaking array of tropical colors. Text listing agent. 24hr notice

550 Harbor Dr, Key Biscayne
360 Harbor Ln, Key Biscayne
$9,950,000
6 Beds ⋅ 6 Baths ⋅ A12104430 MLS ⋅ Biscayne Key Estates BLDG.
Discreetly set in the heart of Key Biscayne — one of Miami’s most coveted island communities — this elegant modern two-story residence offers 5,156 SF of total space on a lush 9,300 SF lot with 6 bedrooms, 5.5 bathrooms, and a private office, perfectly balancing refined design with the relaxed island lifestyle. A travertine staircase entry and wrap-around porch with modern glass railings set a sophisticated tone, leading inside to soaring ceilings, herringbone oak floors by Listone Giordano, floor-to-ceiling sliding doors, and Lutron lighting. The open-concept living, dining, and family areas flow seamlessly to the outdoors. The chef’s kitchen showcases a striking fluted marble island with curved-edge countertops, floor-to-ceiling cabinetry by Design It, and a full Wolf and Sub-Zero appliance suite. The primary suite features a private terrace, dual custom walk-in closets, a dry sauna, and a show-stopping bath with aquamarine quartzite sourced from ARCA, dual Waterworks vanities, and a frameless glass shower. Outside, a covered terrace with fluted wood-paneled ceiling, summer kitchen with built-in grill and pizza oven, and a heated saltwater pool with marble deck and Baja ledge create the ultimate island retreat. Professionally designed landscaping and enchanting exterior uplighting illuminate the lush gardens, creating picturesque views through the home’s expansive glass walls, particularly after sunset. Integrated sound and four AC units complete this exceptional offering.

360 Harbor Ln, Key Biscayne
315 Cypress Dr, Key Biscayne
$7,599,000
6 Beds ⋅ 8 Baths ⋅ A12107414 MLS ⋅ Tropical Isle Homes Sub 4 BLDG.
New Construction (2023) in the heart of Key Biscayne, this 6-bedroom, 6-full and 2-half bath residence offers 4,050 SqFt of true island living. An elegant waterfall feature welcomes you at the entry. Inside, an Italian-designed kitchen with Sub-Zero and Wolf appliances anchors the home, and floor-to-ceiling drapery frames every room. Outdoors, a resort-style pool with a beach entry sits within lush greenery beside a full outdoor kitchen, made for effortless entertaining. The home is built to an exceptional standard of construction, is offered partially furnished, and includes two carport spaces. Moments from the beach, parks, fine dining, and Key Biscayne's top-rated schools, the residence pairs timeless design and exclusivity with an unparalleled island lifestyle.

315 Cypress Dr, Key Biscayne
475 Woodcrest Rd, Key Biscayne
$4,500,000
4 Beds ⋅ 3 Baths ⋅ A12091153 MLS ⋅ Tropical Isle Homes Sub 1 BLDG.
Welcome to your Key Biscayne oasis—where modern sophistication meets tropical elegance. Inspired by the relaxed luxury of St. Barts, this impeccably maintained home features a smart layout with three bedrooms on one side and a versatile fourth room for guests or a home office. Floor-to-ceiling windows fill the space with light, highlighting sleek white quartz floors throughout. The Italian-style kitchen, custom closets, and separate laundry room add everyday ease. Enjoy an integrated audio system, a large modern pool, pergola, and automated lighting and pool systems. With high-end finishes, energy efficiency, and top-tier security, this move-in-ready home offers the ultimate island lifestyle. Property is tenant-occupied with a lease in place through January 2027.

475 Woodcrest Rd, Key Biscayne
755 Curtiswood Dr, Key Biscayne
$5,600,000
5 Beds ⋅ 5 Baths ⋅ A12085575 MLS ⋅ Biscayne Key Estates BLDG.
A unique offering in Key Biscayne! Beautifully renovated 5-bedroom, 5-bath residence offering 3,381 SF of living space, all on one level, set on an impressive 8,559 SF corner lot. Fully remodeled and move-in ready, the home features a stunning kitchen, beautifully renovated bathrooms, new flooring, impact windows, a recently renovated roof, and spacious, light-filled interiors. High ceilings enhance the living and dining areas, which overlook the gorgeous newly remodeled pool and lush tropical backyard. The kitchen features a breakfast area and direct access to the pool, while the family room provides an inviting space for everyday living and entertaining. The spacious primary suite includes a dressing area and beautifully renovated bath. Outdoors, enjoy a beautiful covered patio with lounge and BBQ areas, a newly remodeled pool, two garden areas, lush landscaping, generous green space, and exceptional privacy—an ideal setting for entertaining or relaxing year-round. A rare combination of 5 bedrooms, 5 baths, single-story living, a beautiful corner lot, and seamless indoor-outdoor spaces. An exceptional move-in-ready home designed to enjoy the Key Biscayne lifestyle.

755 Curtiswood Dr, Key Biscayne
131 Cape Florida Dr, Key Biscayne
$16,500,000
6 Beds ⋅ 7 Baths ⋅ A12082460 MLS ⋅ Cape Florida Sub Sec 3 BLDG.
Brand-new construction on a 14,900 SF lot with 100 feet of water frontage on Cape Florida Drive, one of Key Biscayne's most coveted addresses. Over 7,000 SF under air is organized around a central living volume where glass, stone and light do the work — soaring ceilings, no wasted space, no borrowed style. The custom Ernesto Meda kitchen pairs Italian craftsmanship with fully integrated appliances and an oversized island, while a complete summer kitchen anchors the covered terrace and is built for how the island actually entertains. Smart-home integration runs lighting, climate, shades, audio, security and cameras from a single interface. Resort-style pool, expansive entertaining terrace and a private dock. Impact glass throughout. Minutes to the Village, Crandon Park, tennis and the beach.

131 Cape Florida Dr, Key Biscayne
119 Harbor Dr, Key Biscayne
$3,300,000
3 Beds ⋅ 2 Baths ⋅ A12082121 MLS ⋅ Tropical Isle Homes Sub 4 BLDG.
Rare opportunity to own a 7,500 SF lot on coveted Harbor Drive, one of Key Biscayne’s most desirable residential streets. An exceptional homesite to build your dream island residence and create a custom home tailored to your lifestyle. The property currently features a classic Mackle home with 3 bedrooms, 2 baths, office/den, spacious garage, pool, outdoor entertaining area and lush tropical landscaping. Enjoy the existing home, renovate, or build new and take full advantage of this prime location. Moments from highly regarded public and private schools, beautiful beaches, parks, dining, shopping and recreational amenities. A coveted address offering the very best of Key Biscayne island living.

119 Harbor Dr, Key Biscayne
544 Warren Ln, Key Biscayne
$8,000,000
6 Beds ⋅ 6 Baths ⋅ A12079811 MLS ⋅ Tropical Isle Homes Sub BLDG.
New construction, this extraordinary custom Cape Dutch residence is a masterwork of timeless design, brought to life by Duncan and Heuser Design and Development, with interiors curated by James Duncan. Every detail, from the graceful gabled facade to the refined finishes within, reflects a rare devotion to craftsmanship and enduring elegance. Offering six generously proportioned bedrooms and six and a half beautifully appointed bathrooms, this home balances gracious scale with warm, livable comfort. Soaring ceilings, thoughtfully placed windows, and an effortless flow between rooms create a sense of light and openness throughout, while curated materials and bespoke millwork lend a distinctly luxurious character to every space. This is more than a house; it is a legacy residence, designed to be lived in beautifully for generations. A truly rare offering for the discerning buyer seeking timeless architecture, exceptional interiors, and uncompromising quality throughout.

544 Warren Ln, Key Biscayne
571 S Mashta Dr, Key Biscayne
$6,350,000
4 Beds ⋅ 3 Baths ⋅ A12076783 MLS ⋅ Mashta Island A Replat Of BLDG.
Enjoy your own paradise in the paradise—an exceptional, move-in-ready residence on prestigious Mashta Island, one of Key Biscayne's most exclusive and tranquil enclaves. Beautifully remodeled and designed for relaxed yet sophisticated island living, this home offers exceptional indoor and outdoor spaces to enjoy with family and friends. Outdoor living takes center stage with a heated pool and spectacular covered entertainment area featuring a custom BBQ, grill, sink, granite counters and seating for up to 12 guests—the perfect setting for weekend gatherings, celebrations and year-round enjoyment of the Key Biscayne lifestyle. Bright, inviting interiors feature a spacious open layout that seamlessly connects the living, dining and kitchen areas. The impressive chef's kitchen is equipped with premium Viking appliances, generous cooking island and abundant granite counter space. Marble flooring enhances the main living areas, while warm wood floors add character to the private bedroom spaces. The primary suite opens directly to the pool area and features a large walk-in closet and a luxurious bath with steam shower. The property is on a 10,000 SF lot with an ample circular driveway, covered garage for two vehicles and a large additional side parking.

571 S Mashta Dr, Key Biscayne
501 Bay Lane, Key Biscayne
$5,990,000
5 Beds ⋅ 5 Baths ⋅ A12074814 MLS ⋅ Tropical Isle Homes Sub 3 BLDG.
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
520 S Mashta Dr, Key Biscayne
$18,500,000
5 Beds ⋅ 4 Baths ⋅ A12071221 MLS ⋅ Mashta Island A Replat Of BLDG.
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 Dr, Key Biscayne
335 W Enid Dr, Key Biscayne
$6,897,000
5 Beds ⋅ 6 Baths ⋅ A12070117 MLS ⋅ Biscayne Key Estates BLDG.
Elegant home standing in a highly desired location. Exquisite Mediterranean gem with balconies on every room! 5 bedrooms and 6 full baths. State of the Art kitchen, impact windows, beautiful pool, marble and wood floors. Many other great features!

335 W Enid Dr, Key Biscayne
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