Key Biscayne Real Estate | Key Biscayne Homes and Condos for Sale

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

$6,750,000

6 Beds ⋅ 6 Baths ⋅ A11918795 MLS

Stunning new-construction contemporary residence offering the perfect blend of modern design and luxurious comfort. This thoughtfully crafted home features 5 spacious bedrooms plus a private maid’s quarter, 4 full bathrooms, and an elegant powder room.Designed with high-end living in mind, the home showcases luxury finishes throughout, including custom built-in closets and fully equipped black kitchens with premium appliances—ready for immediate move-in. The open-concept layout highlights sleek architectural lines, abundant natural light, and exceptional craftsmanship at every turn.Step outside to your private summer kitchen with BBQ, perfect for entertaining and enjoying outdoor living year-round.A turnkey opportunity for those seeking style, sophistication, and exceptional functionality in a prime location. This contemporary masterpiece is truly move-in ready.

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

$5,495,000

5 Beds ⋅ 6 Baths ⋅ A11987710 MLS

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 Lane, Key Biscayne

$6,950,000

5 Beds ⋅ 6 Baths ⋅ A11997896 MLS

Timeless colonial-style residence, also known as Villa Rosa, set on a rare 12,200 sqft lot in the heart of Key Biscayne. Designed by renowned architect Cesar Molina, this 5-bedroom home is located on a very quiet, low-traffic street, offering privacy within a well-established, family-friendly neighborhood.The home features double balconies, bright interiors, and a functional indoor-outdoor layout with expansive covered terraces. The kitchen includes an island, Sub-Zero refrigerator, wine cooler, double ovens, and two dishwashers. The primary suite offers a private terrace, oversized walk-in closet with safe, and dual bathrooms with sauna.The spacious backyard includes a pool and generous green space. Additional features include maid’s quarters and construction that meets hurricane code requirements. Ideally located near beaches, parks, and top-rated schools, this is a rare opportunity to own a well-designed home on one of Key Biscayne’s most desirable streets.

685 Harbor Lane, Key Biscayne

$5,799,000

4 Beds ⋅ 4 Baths ⋅ A12033340 MLS

Located on the exclusive and highly sought-after Mashta Island, this exceptional property offers a rare opportunity to build your dream home or enjoy the existing beautifully refurbished residence. The home features new bathrooms, updated flooring, and tasteful modern finishes throughout. Designed for relaxed Florida living, the spacious covered terrace overlooks a stunning mosaic-tiled pool, creating the perfect setting for entertaining or enjoying the tropical surroundings. A unique opportunity in one of Key Biscayne's most desirable neighborhoods. Easy to show.

669 S Mashta Drive, Key Biscayne

$11,500,000

7 Beds ⋅ 6 Baths ⋅ A11928646 MLS

Introducing a rare opportunity to own Villa 11, the largest and most coveted of only 12 exclusive villas at Oceana Key Biscayne. Situated on the largest lot in the community at 13,500 SF, this exceptional 7-bed, 5.5-bath residence offers unmatched privacy and space, with access to world-class amenities, including 500 FT of private beach, resort-style pools, on-site restaurant, fitness center, tennis court, and 24/7 security. Designed with a refined modern aesthetic, the villa is filled with natural light and features seamless indoor/outdoor living through expansive glass walls and lush landscaped surroundings, complemented by a private heated pool. Additional highlights include a gourmet chef’s kitchen, an expansive primary suite with dual walk-in closets and a private terrace, a library, maid’s quarters, and 4 parking spaces. Villa 11 offers unparalleled privacy while enjoying full access to Oceana’s world-class amenities.

111 Reef Lane, Key Biscayne

$3,200,000

4 Beds ⋅ 3 Baths ⋅ A12015581 MLS

Experience refined island living in Key Biscayne, a true paradise just minutes from downtown Miami. This beautifully renovated residence offers 4 bedrooms, a private office and 3 bathrooms. The chef's kitchen showcases premium appliances and generous counter space, seamlessly flowing into bright family room, dining and living areas ideal for both everyday living and entertaining. Impact windows and doors enhance security and efficiency throughout. Step outside to your private tropical oasis featuring a heated saltwater pool, lush landscaping, and inviting outdoor spaces perfect for relaxation. Beach Club membership. A rare opportunity to own a slice of paradise in one of most exclusive island community.

301 Hampton Lane, Key Biscayne

$3,730,000

5 Beds ⋅ 4 Baths ⋅ A11999112 MLS

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 children’s bedrooms—ideal 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+.

524 Warren Lane, Key Biscayne

$9,200,000

5 Beds ⋅ 6 Baths ⋅ A12021022 MLS

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.

625 Curtiswood Drive, Key Biscayne

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