Key Biscayne, FL Real Estate For Sale

Dominating the key biscayne skyline, this geoffrey bradfield–designed penthouse is a rare display of power, prestige, and absolute luxury. Encompassing 13, 630 sq. Ft. With 10, 421 sq. Ft. Under air and 3, 000+ sq. Ft. Of oceanfront terraces, it commands 100 feet of unobstructed beachfront with sweeping sunrise and sunset views. Directly adjacent, the $100m+ newly reimagined ritz-carlton and its brand-new beach club sit at your footsteps, elevating exclusivity to a world-class level. Inside, soaring ceilings showcase a showpiece chef’s kitchen, grand dining, four-private en-suites, a refined executive office, staff quarters, and couture-caliber closets. Includes five premium parking spaces and five oversized private storage cages. A true trophy residence at the apex of coastal luxury.

Welcome to an extraordinary european style waterfront estate, where luxury and elegance meet the tranquility of coastal living.This 3-story custom-built masterpiece boasts a spectacular social area with soaring high ceilings, creating an ambiance of grandeur and openness. This estate features 7 lavish bedrooms, 7.5 opulent bathrooms, private office, cozy family room, extraordinary chef’s kitchen all designed with meticulous attention to detail and the finest finishes. Step into a world of breathtaking and captivating views, where every window frames the stunning panorama of the bay and the iconic miami skyline. The outdoor living spaces invite you to enjoy serene and unforgettable sunsets. A sanctuary of sophistication and comfort with dock, garages, elevator, and an unparalleled lifestyle.

Best value in key biscayne—period. Key cassa redefines luxury, quality, and modern living, offering the most competitively priced 3bedroom, 3bath residence in key biscayne. Brand new and never lived in, this home gives you the rare chance to be the very first to enjoy every inch of its flawless design. The open concept layout is flooded with natural light, while miele appliances, custom closets, and designer finishes elevate everyday living. A dedicated laundry area adds practicality. With low maintenance fees and parking space equipped with a dedicated ev charger. Key cassa sets a new benchmark for contemporary island living. All residences feature the same finishes and layout; only the floor level and outdoor space differ. Unit 200d is on the second floor.

Spectacular contemporary estate set on a coveted cul-de-sac along cape florida dr., one of key biscayne’s most prestigious and private addresses. Situated on a 23, 724 sqft lot with +250 ft of waterfront and elevation of 8.71 ft above sea level, this home offers 8 bedrooms (including a guest suite and 2 staff quarters), 8.5 baths, a private dock, boat lift, and resort-style pool. A grand foyer with soaring ceilings introduces an architectural masterpiece designed by renowned architects and built by interscope. More features include an elevator, full-home generator, reinforced concrete seawall, 2-car garage + porte-cochere for 4 cars, and driveway for 8+ cars. Discover the exceptional potential of this unique estate—a perfect blend of elegance, privacy, and premier waterfront living.

Beautiful and unique waterfront home on exclusive mashta island, on desirable north mashta dr in key biscayne. Elevated and very comfortable 4br/4.5ba + maid’s quarters with approx. 4, 290 sq ft under a/c, sitting on a large and private 15, 184 sq ft lot, ideal for enjoying with family and friends. Approx. 50 ft dock where the owners have docked boats of around 78 ft, with deep water of about 8 ft even at low tide – a rare true deep-water access on the island. North-facing canal keeps the house and outdoor areas pleasant and cooler all year round. Easy to show. Bring your qualified buyers and best offers.

Experience the ultimate in coastal luxury with this beautifully appointed 3br + den, 4-bath oceanfront co-op in key biscayne, offering breathtaking views and direct access to one of miami’s most pristine beaches. This spacious residence combines modern elegance with the relaxed charm of island living, featuring an open-concept layout, abundant natural light, and floor-to-ceiling windows that showcase sweeping ocean vistas

This 2 bedroom 2 bath corner unit with wraparound balcony and stunning direct views of ocean and crandon park is a must see in the island of key biscayne. Enjoy the beach, heated pool, sauna, party room, gated entry, tennis courts and much much more that island living has to offer. Easy to show new impact windows and doors just installed !!!

Beautiful one bedroom, 1.5 bathroom unit completly remodeled . .

Rarely available ne slope residence at oceansound in key colony. This spacious 2-bedroom residence with an additional flexible interior space offers approximately 2, 200 sq ft and can be reconfigured to accommodate an additional bedroom. Well maintained and featuring breathtaking panoramic views of the ocean, biscayne bay, and the brickell skyline. Impact windows in the living areas and bedrooms. The building is fully funded with reserves. A rare offering includes two assigned parking spaces and additional storage space. Don’t miss this unique opportunity to own a slope unit. Key colony offers resort-style amenities including 12 tennis courts, an olympic-size pool, children’s playground, and beach access. An exceptional opportunity to enjoy the key biscayne lifestyle. Easy to show. Please allow 24hr notice.

Spectacular and impeccably appointed modern residence situated on a 13, 651 sf lot on prestigious island drive—one of key biscayne’s most elevated streets. Boasting a total of 8, 011 sf, this 6-bedroom, 6 full bath + 2 half bath home is open, bright, and flooded with natural light throughout. Enjoy breathtaking water views and private access to the water in a setting that blends refined luxury with ultimate privacy. This residence showcases exquisitely curated, high-end designer finishes, a dramatic wine cellar, two expansive family rooms, and a closed 2-car garage. The outdoor living area is equally impressive, featuring a sleek summer kitchen and lush, professionally designed landscaping—ideal for elegant island living and entertaining. Per approved plans 6, 405 sf under ac -8, 682 sf total

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.

Stunning custom-built villa located on a 12, 014 sq ft lot with luscious landscaping providing complete privacy. This home located in holiday colony, an exclusive community in the coveted area of key biscayne steps away from the beach. No expenses were spared on finishing this, villa! This home has an elevator, sauna, steam shower, heated salt pool, a gourmet kosher kitchen features custom wood cabinets, miele appliances, 72 la cornue gas range with copper finishes, perlick icemaker and two robl porcelain sinks with copper finishes, perlick icemaker and two rohl porcelain sinks with gold rohl faucets. Another attraction is the custom finished garage, storage room above, interior le grand lighting and exterior lutron lighting! One of a kind!

Beautiful and updated unit in one of key biscayne´s most desirable locations. This residence features 3 bed, 3 full bath, den, half bath and maids quarters with plenty of natural light. Just steps away from the beach, shops, restaurants. A comfortable and inviting home ideal for enjoying key biscayne lifestyle. Easy to show. Text la.

Completely remodeled 2-bedroom, 2-bath residence with a separate den, ideal for a home office, studio, or flexible living space—perfect for today’s work-from-home lifestyle. The unit features refined, modern finishes throughout, including italian porcelain flooring, custom cabinetry, quartz countertops, premium bathrooms, and top-of-the-line appliances. Floor-to-ceiling impact glass windows fill the home with natural light, creating a bright and open living environment. Located at towers of key biscayne, this residence offers true resort-style, direct beachfront living, with access to pools, tennis courts, a fully equipped gym with sauna and steam room, on-site restaurant, billiards and poker room, children’s playroom, beauty salon, outdoor grilling areas, golf cart charging stations, concierge services, and 24-hour security.

Beautiful and spacious 2 bedroom/2bathroom unit with beach front access and ocean views. Located in the most exclusive island in miami with amazing public and private schools. The condo is very well maintained and amenities include a delicious italian restaurant, 2 lap pools, bbq area, spa, gym, hair/nail salon, tennis courts, card room, pool room.

Lovely unit . Today is the best priced unit. Only 120 units, 13 floors. Lovely boutique condominium. Manicured gardens, featuring semi-private elevators with 2 units per floor. .Well appointed 2 bed 2 bath . Ocean-front unit with spectacular ocean views, steps from the beach , enjoy spacious comfort, sunrise and sunset views! New appliances, laundry area , new washer/dryer. Walk-in closets complete with built-ins. Beautiful pool deck with heated pool, bbq and picnic areas; volleyball and soccer sandy beach game area; community bike/jog path. Bike and paddle board storage. Guard gate.Manager on site. True key biscayne lifestyle. Special assessments $891.65 (60 payments until december 2029) concrete restoration/sprinklers.

Lanai unit 1bedroon 1 1/2 bathroom, large terrace, washer /dryer inside the unit, tile floors, ample closet space. Amenities include 2 pools, gym, bbq, guard gate 24 hours

Exceptional opportunity to live in oceana, the pinnacle of luxury and exclusivity in key biscayne! The unit spans 1, 830 sq ft with an open floor plan 2-bedroom, 3.5-bathroom plus den that can be used as a small bedroom or office. Conveniently located on an oceanfront property with a wide range of resort-style amenities, including beach service with chairs, towels, and umbrellas, a beach entry pool with cabanas, a lap pool, a cutting-edge fitness center, tennis courts, a spa, a residents-only restaurant, a putting green, volleyball courts, and more!

This stunning residence, set on an oversized 12, 262 sf lot, offers 5, 528 sf of beautifully designed interiors filled with natural light. An open floor plan with soaring ceilings creates a seamless sense of space, while the gourmet kitchen and expansive living areas are perfect for both everyday living and entertaining. Featuring 6 spacious en-suite bedrooms, a powder room that also serves as a convenient cabana bath, and exceptional walk-in closets, this home combines comfort with sophistication. Step outside to your private oasis, where a jacuzzi, outdoor shower, and lush tropical landscaping provide the ultimate retreat. Ideally located within walking distance of the beach, this key biscayne gem perfectly blends elegance and lifestyle on one of miami’s most coveted island communities.

Move in ready 3 bed / 2 bath + 1 office/den in botanica at key colony - unlike standard floor plans, this unit offers a true interior living area of approximately 1, 900+ sf. Den works perfect as office, maid room or exra storage room. No neighbors above you as this is the top floor. Recently remodeled. Abundant natural light. Modern open spacious open kitchen with spectacular porcelain countertops & backsplash overlooking living/dining, wood floors, elegant wall paper accent walls, electric blackout shades, custom closets & brass fixtures. Double oven. Elegant double door entry, wide hallway, balcony with sunset views. **yes golf cart permitted** **1 assigned parking space + 1 additional parking space available for rent** private beach access w chair & umbrella service, 12 tennis courts, spa, hair/nail salon, 3 pools, gym, playground & golden hog convenience store. Available also for rent

An exceptional opportunity to own a renovated residence on iconic mashta drive, offering refined island living in one of key biscayne’s most prestigious neighborhoods. This elegant home features a custom yamini kitchen with high-end appliances, 5 bedrooms plus den, and 5 luxurious baths designed for comfort and entertaining. A desirable sun orientation fills the interiors with natural light. Outdoors, enjoy a private tropical oasis with a beautiful pool, colonial red brick pool deck and back patio, and an elevated balcony ideal for outdoor living. Lush landscaping enhances the front of the property, creating striking curb appeal. Built with impact windows and doors and offering a generous parking area. Ideally located minutes from beaches, marinas, dining, parks, and top-rated schools.

Designed for those who value privacy, space, and a true connection to the water, this exceptional waterfront residence offers a rare boater’s retreat and a warm, inviting setting for family living. Tucked away on a quiet street and set on an expansive nearly 14, 000-square-foot lot, the home impresses from the moment you arrive with its generous front yard and gated entry, offering both presence and privacy. Inside, a bright two-story layout unfolds with an open, airy feel, thoughtfully designed for both everyday comfort entertaining. The residence features five bedrooms, four full bathrooms, plus a cabana bath, all flowing seamlessly enhanced by abundant natural light and tranquil water views. Renovated in 2019, the home includes impact windows and doors, a beautifully updated kitchen and appliances, lighting throughout, gas generator, and a pool heater and chiller for year-round enjoyment. The outdoor living experience is truly exceptional…enjoy direct water access with a private dock, boat lift, and two dry jet-ski docks, allowing you to step straight from your backyard to open water and fully embrace the waterfront lifestyle. A detached, enclosed two-car garage adds versatility, while the gated property offers abundant parking for up to six vehicles, a rare and valuable amenity in key biscayne. Homes of this caliber which offer privacy, boating infrastructure, generous land, and modern upgrades are increasingly rare and best appreciated in person.

Experience the height of luxury living in key biscayne’s most prestigious gated community, grand bay villas & estates. This beautiful villa, located in a quiet cul-de-sac, features 5 spacious bedrooms and 7 bathrooms, private heated pool with an expansive terrace. A balcony provides additional outdoor space, and the large living, dining, and family rooms offer direct access to the terrace and pool, perfect for entertaining. The villa also includes full maid’s room & bath. (all bedrooms are in-suite)residents enjoy 24-hour security, and have access to the community’s playground for children. Monthly maintenance fees cover pool and landscaping maintenance. Properties in grand bay villas rarely come to market. Don’t miss the opportunity to own a piece of paradise in key biscayne.

Exclusive island living! Welcome to a rare 3-bedroom oceanfront residence at the coveted ocean club in key biscayne, offering sweeping views of the atlantic ocean, biscayne bay, & the miami skyline. Sun-filled interiors are enhanced by a gracious foyer entrance, an excellent floor plan with a formal dining room, & beautifully remodeled bedrooms, flooring, & kitchen cabinetry. Designed for both everyday living & entertaining, the residence features an expansive oceanfront terrace plus a separate terrace off the kitchen with stunning bay & skyline views. All bedrooms are spacious & feature ensuite baths, while the primary suite offers a generous walk-in closet & a luxurious bathroom with dual sinks, a separate tub, & a walk-in shower. Highlights: ample storage & a dedicated laundry room with a full-size washer & dryer. Ocean club is synonymous with resort-style living, offering direct beach access, multiple pools, a private beach club, full-service spa, state-of-the-art fitness center, tennis courts, on-site dining, 24-hour concierge, valet, & security. Residents enjoy a true five-star lifestyle in one of south florida’s most exclusive communities. Located on the serene island of key biscayne, ocean club offers a tranquil, secure environment just minutes from brickell, downtown miami, & miami international airport. Enjoy pristine beaches, world-class parks, top-rated schools, & a vibrant island lifestyle—all while remaining effortlessly connected to the city.

Discover unparalleled luxury at 960 mariner dr, key biscayne. This new architectural gem offers over 9, 640 sf of living space on a 15, 381 sf lot with 106 feet of water frontage. Featuring 6 bedrooms, 8 baths, and 2 half baths, the open-concept design boasts floor-to-ceiling glass, providing stunning views. A 4-person elevator connects all levels, including a third-floor terrace with 360-degree views of the water and miami skyline. The chef’s kitchen, resort-style pool, summer kitchen, and private dock with direct bay access make it perfect for entertaining. Boating enthusiasts will appreciate the ski boat crane. This estate combines modern elegance, privacy, and top-tier amenities in one of miami’s most exclusive areas.

Rarely on the market! Located at the prestigious mar azul condominium, an oceanfront boutique residence with only 126 units & direct beach access. This spacious 3-bedroom, 3-bath home spans 2, 523 sq.Ft. The elegant open layout blends a fully renovated kitchen with expansive living and dining spaces, perfect for entertaining. Each bedroom is a generous suite with modern baths, complemented by abundant storage. A wraparound balcony embraces the reception and primary suite, unveiling uninterrupted ocean vistas. Semi private elevator lobby shared with just one neighbor. The generous scale and unique layout of this residence are rarely found in key biscayne, making it an extraordinary opportunity.

Key biscayne – architectural masterpiece on a secluded 9, 633 sq.Ft. Lot near harbor drive, this 6, 800 sq.Ft. Residence by village architects (deborah de león) 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.

Great single home ready for development or income desirable corner lot, easy access, near shops, schools, church, green

Welcome to this unique and rarely available 1-bedroom, 1.5 bath move-in ready lanai residence. Located in a resort-style beachfront development. The oversized walled-in patio provides direct and convenient access to the pool, gym, gardens and other amenities. Master bedroom has two closets, including a large walk-in closet, updated en-suite bathroom and a large impact window and door overlooking & leading to the beautiful patio. This lovely home also features high ceilings, high impact window and doors, washer/dryer, plenty of closets and one assigned covered parking space. Located in a 24hr full-service building. Amenities include guarded gate at key colony's main entrance, attendant at lobby, olympic size swimming pool, 12 tennis courts, children's playground, dog park, food market (golden hog), beauty salon, outdoor casual dining by the main pool and beach. Enjoy key biscayne island paradise lifestyle. Walking distance to the beach, parks, dining, shopping, and top rated public and private schools. Dog friendly building. No pending special assessments. Photos of the dining/living area, patio and bedroom have been digitally staged.