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$5,600,000
5 Beds ⋅ 5 Baths ⋅ A12085575 MLS ⋅ 33149 Zip Code ⋅ 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
$3,300,000
3 Beds ⋅ 2 Baths ⋅ A12082121 MLS ⋅ 33149 Zip Code ⋅ 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
$8,000,000
6 Beds ⋅ 6 Baths ⋅ A12079811 MLS ⋅ 33149 Zip Code ⋅ 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
$6,350,000
4 Beds ⋅ 3 Baths ⋅ A12076783 MLS ⋅ 33149 Zip Code ⋅ 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
$5,990,000
5 Beds ⋅ 5 Baths ⋅ A12074814 MLS ⋅ 33149 Zip Code ⋅ 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
$8,250,000
6 Beds ⋅ 9 Baths ⋅ A12040744 MLS ⋅ 33149 Zip Code ⋅ Tropical Isle Homes Sub 4 BLDG.
There are homes that are beautiful, and then there are homes that leave a lasting impression. This extraordinary brand-new 2026 designed by Kubik is one of a kind. With breathtaking architecture, exceptional attention to detail, and a floor plan designed for the way people truly live today, this is a home that immediately captivates from the moment you enter. Filled with natural light and generous open spaces, every room feels inviting, comfortable, and connected to the beauty that surrounds it. The residence offers 6 bedrooms, 8 full bathrooms, and 1 powder room, along with a spectacular rooftop terrace and an additional flexible space that could become a private gym, office, yoga studio, art room, or peaceful retreat. A dramatic spiral staircase serves as a beautiful architectural centerpiece, adding character and elegance to the home's design. The primary suite is particularly special...surrounded by lush gardens, it feels worlds away from everyday life. The spa-like bathroom further enhances the feeling of escaping to your own boutique resort. Created with family gatherings and entertaining in mind, the outdoor spaces are every bit as impressive as the interiors. The pool, spacious terraces, and barbecue area provide the perfect backdrop. Offered completely turnkey and finished with impeccable taste including a 2 car-garage and elevator, rarely does a newly constructed residence combine such striking architecture with so much warmth and soul, creating a masterpiece.

165 Hampton Ln, Key Biscayne
$5,200,000
5 Beds ⋅ 5 Baths ⋅ A12037837 MLS ⋅ 33149 Zip Code ⋅ Biscayne Key Estates BLDG.
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 Rd, Key Biscayne
$5,199,000
6 Beds ⋅ 5 Baths ⋅ A12035700 MLS ⋅ 33149 Zip Code ⋅ Biscayne Key Estates BLDG.
Elevated six-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.

650 Curtiswood Dr, Key Biscayne
$7,450,000
7 Beds ⋅ 9 Baths ⋅ A12034564 MLS ⋅ 33149 Zip Code ⋅ Tropical Isle Homes Sub 3 BLDG.
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.

425 Harbor Dr, Key Biscayne
$9,200,000
5 Beds ⋅ 6 Baths ⋅ A12021022 MLS ⋅ 33149 Zip Code ⋅ Biscayne Key Estates BLDG.
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 Dr, Key Biscayne
$7,490,000
5 Beds ⋅ 7 Baths ⋅ A12025834 MLS ⋅ 33149 Zip Code ⋅ Tropical Isle Homes Sub BLDG.
BRAND-NEW CONSTRUCTION HOME IN ONE OF KEY BISCAYNE’S MOST PRESTIGIOUS AND PRIVATE ENCLAVES SURROUNDED BY LUSH TROPICAL LANDSCAPING! This exceptional Contemporary Residence offers 5 Bedrooms with a service area, 5.5 Bathrooms + a Cabana Bath. 3,768 Interior SF on a Lush Corner Lot on a quiet street. Soaring double-height ceilings & expansive impact glass windows that fill the interiors with abundant Natural Light. The Home offers Enhanced Privacy and an Impeccable Floor Plan designed for modern living & entertaining. Gourmet eat-in Kitchen with Custom Cabinetry & top-of-the-line Miele Appliances. Spacious Outdoor Spaces include a Private Rooftop Terrace with a summer kitchen, newly designed gardens, beautifully landscaped grounds, and a Resort-style Pool enveloped by Lush Greenery. Perfectly located just moments from the Beach, Parks, Restaurants & Key Biscayne’s top-rated schools, this residence combines timeless design, exclusivity & an unparalleled island lifestyle

571 Glenridge Rd, Key Biscayne
$8,500,000
6 Beds ⋅ 7 Baths ⋅ A12021891 MLS ⋅ 33149 Zip Code ⋅ 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
$3,550,000
4 Beds ⋅ 3 Baths ⋅ A12002746 MLS ⋅ 33149 Zip Code ⋅ Tropical Isle Homes Sub 4 BLDG.
A beautifully remodeled residence offering a refined blend of style, comfort, and seamless indoor-outdoor living. Recently upgraded with impact windows and doors installed in February with warranty, the light-filled interiors showcase travertine flooring, fresh paint, and updated lighting throughout. The renovated kitchen features stainless steel appliances, a wine cooler, and flows effortlessly into expansive living spaces, including a formal living room and a spacious dining and family area overlooking the pool and garden. A thoughtful split floor plan enhances privacy, highlighted by a generous primary suite with a custom walk-in closet and direct pool access, along with a secondary bedroom featuring its own bath and pool entry. Additional improvements include updated bathrooms, new AC ductwork with linear vents, an upgraded electrical panel, and a tankless water heater. Outdoors, a palm-lined yard surrounds the pool within fully fenced grounds with dual aluminum gates. A new aluminum roof installed in September 2024, two AC systems, sprinkler system, and ample parking complete this well-appointed home.

255 Ridgewood Rd, Key Biscayne
$5,478,000
4 Beds ⋅ 4 Baths ⋅ A12010108 MLS ⋅ 33149 Zip Code ⋅ 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
$6,395,000
5 Beds ⋅ 6 Baths ⋅ A12003163 MLS ⋅ 33149 Zip Code ⋅ Biscayne Key Estates BLDG.
This 5 bed, 5.5 bath residence, new construction and never lived in, offers over 4,000 sq ft of contemporary architecture, a chef’s kitchen, high ceilings, floor-to-ceiling impact glass, and an elevated backyard with pool, jacuzzi, and covered terrace.  The home features fully finished custom wood closets and sleek backlit LED mirrors in all bathrooms, adding both functionality and a refined design touch. An elevated backyard with pool, jacuzzi, and a covered terrace creates a seamless indoor-outdoor living experience. The home is fully pre-wired for a smart home system, including lighting, security, and automation. Custom window treatments and smart home features, curated with the project’s interior designer, can be included in the purchase, with final selections tailored to the buyer. Pre-selected design and automation options have already been defined by the interior designer and are available for review. Additional upgrades may be considered and negotiated at the time of closing. In a market where land alone in Key Biscayne trades in the multi-million-dollar range, owning a new home where the final details are left for the new owner  to choose, creating a personalized finish, is an exceptional opportunity at this price.

760 Woodcrest Rd, Key Biscayne
$6,950,000
5 Beds ⋅ 6 Baths ⋅ A11997896 MLS ⋅ 33149 Zip Code ⋅ Biscayne Key Estates BLDG.
Set on one of the largest lots in Key Biscayne, a rare 12,200 sqft parcel, this colonial-style residence, known as Villa Rosa, was designed by renowned architect Cesar Molina and sits on a quiet, low-traffic street in a well-established, family-friendly neighborhood. The generous lot allows for a spacious backyard with pool and abundant green space, ideal for outdoor living and entertaining. Double balconies and covered terraces create a seamless indoor-outdoor flow throughout the home. This 5-bedroom residence offers bright interiors and a chefs kitchen with island, Sub-Zero refrigerator, wine cooler, double ovens, and two dishwashers. The primary suite includes a private terrace, oversized walk-in closet with safe, and dual baths with sauna. Also includes maids quarters and hurricane code construction. Minutes from the beach, parks, and top schools - a rare opportunity to own a well-designed home with an exceptional lot on one of Key Biscayne's most desirable streets.

685 Harbor Ln, Key Biscayne
$3,730,000
5 Beds ⋅ 4 Baths ⋅ A11999112 MLS ⋅ 33149 Zip Code ⋅ Tropical Isle Homes Sub 1 BLDG.
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 Ln, Key Biscayne
$5,995,000
5 Beds ⋅ 6 Baths ⋅ A11985371 MLS ⋅ 33149 Zip Code ⋅ Tropical Isle Homes Sub BLDG.
Stunning 5 bedroom, 5.5 bath residence plus maids quarters. This modern home is located in exclusive Key Biscayne island with access to top private and public schools. The home features bright open spaces, luminous interiors with open layouts, high ceilings and generous outdoor living space. Easy to show. TEXT LA.

561 Warren Ln, Key Biscayne
$6,900,000
6 Beds ⋅ 7 Baths ⋅ A11909334 MLS ⋅ 33149 Zip Code ⋅ Tropical Isle Homes Sub 4 BLDG.
Nestled in one of Miami’s most exclusive and sought-after enclaves, this stunning new construction epitomizes luxury living in Key Biscayne. Designed with sophistication and elegance, this home harmoniously blends contemporary style with the relaxed charm of island life. Expansive open-concept interiors with soaring 11-ft ceilings enhanced by floor-to-ceiling windows flood the home with natural light. Features include- a gourmet kitchen with Thermador appliances, imported Spanish tile and engineered wooden flooring, meticulously crafted custom cabinetry, refined carpentry & more. Outdoors, a large pool is surrounded by lush landscaping, several lounge areas, and a fully equipped summer kitchen—perfect for both entertaining and serene relaxation. Exp. delivery Q4 25' / start of Q1 26'.

110 Hampton Ln, Key Biscayne
$3,800,000
4 Beds ⋅ 4 Baths ⋅ A11856342 MLS ⋅ 33149 Zip Code ⋅ Biscayne Key Estates BLDG.
Don’t miss this unique opportunity to own a stunning oversized corner lot spanning 8,367SF! This beautifully remodeled home boasts a brand-new roof and appliances, ensuring modern comfort and peace of mind. Step inside to soaring high ceilings and a spacious open floor plan, highlighted by elegant wood floors throughout. The gourmet open kitchen is a true showstopper, perfect for cooking and entertaining in style. Designed for those who love the island lifestyle, this home offers expansive living spaces, a gorgeous pool area, and inviting outdoor areas perfect for entertaining or simply unwinding in paradise.

691 Ridgewood Rd, Key Biscayne
$7,950,000
5 Beds ⋅ 5 Baths ⋅ A11855412 MLS ⋅ 33149 Zip Code ⋅ Tropical Isle Homes Sub 2n BLDG.
Key Biscayne – Architectural Masterpiece On a secluded 9,633 sq.ft. lot near Harbor Drive, this 6,800 sq.ft. residence by Village Architects blends modern elegance with tropical serenity. A dramatic double wood door opens to a lap pool reminiscent of Amanpuri, framed by 2,000 sq.ft. of covered entertainment areas. Inside, a glass-walled foyer, soaring ceilings, and a sculptural staircase set the tone. Formal dining, reception, and a chef’s kitchen flow seamlessly for refined living. The master suite offers vaulted ceilings, walk-in closets, a spa bath, and an adjacent office, complemented by three additional en-suite bedrooms. Rare offering of design,privacy & resort-style living in the heart of Key Biscayne.Please view unbranded matterport t, floor plans & video.

545 Sabal Palm, Key Biscayne
$9,800,000
6 Beds ⋅ 7 Baths ⋅ A11782945 MLS ⋅ 33149 Zip Code ⋅ Cape Florida Sub Sec 3 BLDG.
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 Dr, Key Biscayne