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.

Rare corner residence in the heart of key biscayne, perfectly positioned just steps from the pool and surrounded by lush garden views. This bright and inviting unit offers a unique sense of openness and privacy, with windows on multiple sides that bring in beautiful natural light throughout the day. Ideally located near both the lobby and staircase, the apartment allows for effortless access—no long hallways or elevators needed—making everyday living and entertaining incredibly convenient. Enjoy tranquil pool views from your living spaces, creating a relaxed, resort-style atmosphere year-round. The layout offers great flow and comfort, ideal as a primary residence, vacation home, or investment. Located in a well-established community in key biscayne, known for its peaceful surroundings, walkability, and easy access on and off the island. A truly special opportunity for those who value location, convenience, and a bright corner setting.

Rarely available in the ocean club's most desirable beachfront building, ocean tower two, this 3, 084 sqft residence has been reimagined from its original 3-bedroom layout into a thoughtfully designed 3-bedroom plus enclosed den, featuring a formal living room, formal dining room, family room and laundry room. Light wood-finish tiles and floor-to-ceiling sliding glass doors flood every room with natural light and ocean breezes. The spacious and luminous chef's kitchen features a center island, subzero and miele appliances and a separate coffee counter with wine storage area. Two spacious terraces overlook lush tropical gardens, resort pools, and the atlantic — the perfect backdrop for everyday island living. The primary suite offers direct terrace access and a fully renovated spa bath with dual vanities, glass-enclosed shower, and soaking tub. The 2nd and 3rd bedrooms feature abundant natural light and fully renovated bathrooms, while the enclosed den is an ideal space for a home office or 4th bedroom. The ocean club provides luxurious resort-style living: beach, pools, restaurants, fitness center with ocean views, spa, salon, playground, playrooms, 7 har-tru tennis courts, 3 padel courts, security and valet services. Beyond the building, enjoy the relaxed, walkable lifestyle of key biscayne — a true island village with world-class parks, beaches, dining, and a close-knit community just minutes from downtown miami.

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 !!!

A premier oceanfront residence in key biscayne offering sweeping panoramic views and direct beach access just steps away. Positioned on the coveted 01 line, this expansive 3-bedroom plus den, 3-bath home features sunlit interiors and floor-to-ceiling windows that frame the ocean from nearly every room, creating a seamless connection to the horizon. Generous living and dining areas are designed for both relaxed daily living and effortless entertaining, while refined finishes and thoughtful details enhance the overall sense of comfort and sophistication. The well-proportioned layout includes a versatile den ideal for a home office or additional lounge space. Complete with impact glass, an open balcony, and access to full-service building amenities, this residence captures the essence of elevated coastal living in one of key biscayne’s most desirable beachfront communities.

Beautifully remodeled 2-bedroom, 2-bath residence featuring a desirable open-concept kitchen with sleek quartz countertops, an oversized peninsula with dramatic waterfall edge, stainless steel appliances, and elegant porcelain tile flooring throughout. Impact glass windows and doors enhance comfort and peace of mind. Unit is in impeccable condition! Enjoy seamless indoor-outdoor living from the wide terrace overlooking lush tropical gardens with a peek of the ocean—the perfect backdrop for breathtaking sunsets and relaxed island evenings. The spacious primary suite offers a serene retreat with an ensuite bath and custom built-in cabinetry. The second bedroom has been thoughtfully reconfigured into two separate sleeping areas with an easily removable partition wall. Each has custom built desks and share a large reach-in closet area with plenty of space! Experience island living at its best in the coveted commodore club community, offering resort-style amenities including tennis courts, heated pool, beach access, fitness center, sauna, party room, onsite management, front desk concierge, 24-hour security, and more. A rare opportunity to enjoy comfort, style, and sunsets in a premier coastal setting.

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!

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 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

Spacious and bright 2/2 condominium on the 4th floor in well maintained and impeccably renovated boutique building on desirable sunrise drive. 1, 212 sq ft approximately as per owner. Beautiful pool and common areas. Secured lobby with keyed entry. Shared laundry room on each floor. Perfect location for tranquil island living. 1 block to secured private kb village beach access with showers and restrooms. 2-minute walk to restaurants, shops, and major grocery. A+ schools. Unit comes with 1 assigned parking space. Additional parking can be leased from condo association if available.

Unique opportunity to own a custom-designed and remodeled 2, 605 sf residence in the ocean club’s most desirable beachfront building, ocean tower two. Originally a three-bedroom, the residence has been reimagined as a spacious, light-filled two-bedroom with library/den and generous living and dining areas. Architectural curves, rounded built-in shelving, and layered lighting define the home’s distinctive character. Custom millwork—harmoniously carried throughout the kitchen, library, closets, and bookshelves—adds warmth and a cohesive aesthetic. Polished marble floors, recessed and cove lighting, and refined wall surfaces create an elegant, modern interior ideal for displaying art and furnishings. The library features an electric fireplace, offering an inviting retreat. The open kitchen integrates seamlessly with the living areas and features custom cabinetry, an island cooktop, and thermador appliances. The primary suite offers a tranquil retreat with refined finishes and beautiful views, while the primary bath is finished in marble and glass with custom vanities and a walk-in shower. Ocean views are enjoyed from within the main living areas, as well as from two spacious terraces overlooking lush tropical gardens, resort pools, and the atlantic. The ocean club provides luxurious resort-style living: beach, pools, restaurants, fitness center with ocean views, spa, salon, playground, playrooms, 7 har-tru tennis courts, 3 padel courts, security and valet services.

Bright and spacious 2 bed / 2 bath unit in the heart of key biscayne, one of miami’s most desirable island communities. Just steps from top-rated schools, the community center, fine dining, supermarkets, boutique shopping, the park, and the beach. The unit includes one assigned covered parking space, with additional guest parking available. Features dishwasher, washer-dryer, in-unit. Experience the charm and lifestyle that only island living in key biscayne can offer - where everything you need can be reached by walking or biking.

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.

Spectacular high-floor residence. Experience elevated coastal living in this stunning 5 beds, 4.5 baths residence, ideally positioned on a high floor of the exclusive grand bay. This expansive unit also features a dedicated media room, inviting family room & a separate exercise room, offering the perfect balance of luxury, comfort, and functionality. Enjoy breathtaking, unobstructed views of the atlantic ocean & biscayne bay from multiple private balconies. The home is exquisitely finished with custom built-in millwork, elegant marble flooring & designer lighting throughout, creating an atmosphere of timeless sophistication. Perfect for entertaining or serene relaxation, the thoughtfully designed layout blends indoor & outdoor living seamlessly. 3 additional parking space sold seperately

Beach, beach, beach!! Beautifully updated 1bd/1ba in sought-after cay polynesia only a few hundred yards from the beach in key biscayne. This modern first-floor freshly painted unit features new kitchen cabinetry, new stainless-steel appliances, new countertops, new laminate flooring, new lighting fixtures, new door hardware, new a/c unit & ducts, new quartz windowsills, new blackout & sheer window shades, upgraded electric panel, new light switches & outlets, new bathroom vanity w/ quartz countertop, new sink & faucet, new tub & shower trim, new bath hardware, and new medicine cabinet. Just steps to the beach with private beach access. The boutique building offers an expansive pool area surrounded by lush tropical landscaping. Includes one assigned parking space. Enjoy island living.

Built in 2021, this exceptional contemporary residence offers the finest in luxury island living in key biscayne. Floor-to-ceiling glass walls fill the home with natural light, highlighting sleek architectural lines and sophisticated high-end finishes throughout. The residence features five spacious ensuite bedrooms, an elegant powder room, and a designer italian kitchen equipped with premium miele appliances. Expansive indoor and outdoor living areas, including a fully equipped summer kitchen, create the perfect setting for entertaining in style. Enjoy the ultimate island lifestyle with walkability, bike and golf cart-friendly streets, and close proximity to the golf course, top schools, fine dining, and exclusive community amenities.

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.

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.

Fully furnished studio apartment located on crandon blvd, within walking distance to winn dixie (across the street), restaurants, stores, the beach, and everything key biscayne has to offer. Well-maintained unit with beautiful greenery and a private pool. One assigned parking space and a communal laundry facility. Great bedroom size and walk-in closet.

Welcome to coastal living at its finest, located in the heart of key biscayne. This beautifully updated residence was thoughtfully designed with clean, modern finishes that feel both elevated and timeless. Recently updated bathrooms plus washer and dryer (2025) providing everyday convenience—an invaluable upgrade for island living. Set within a secure, gated community, residents enjoy an exceptional lifestyle with direct beach access, complete with beach chairs, tennis courts, and a fully equipped gym. With safety and security, - whether as a full-time residence or a refined beach retreat. 40 year recertification completed in 2022. No current special assessments and low maintenance fees. Just steps from the sand and moments from top-rated schools, parks, and local dining, this home offers the perfect balance of comfort, community, and coastal elegance—a rare opportunity to own in one of key biscayne’s most desirable enclaves.

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.

Extensively renovated and move-in ready 4-bedroom, 5.5-bath corner beachfront residence at oceana key biscayne, offering refined architecture, thoughtful detailing, and seamless indoor-outdoor living. Floor-to-ceiling glass fills the home with natural light and frames ocean, bay, and village views enjoyed from every room and the wrap-around terraces. Architectural elements include shadow reveal wall details, layered architectural lighting and res italia custom doors. Custom millwork is carried throughout, with giellesse italian closet systems and shelving as well as casabath italian bathroom cabinetry. The primary suite offers sweeping ocean views, a spa-like bath with soaking tub overlooking the ocean, and two full primary bathrooms with walk-in showers. Three additional bedrooms enjoy beautiful and completely private views overlooking biscayne bay and the village of key biscayne. The kitchen features binova italian cabinetry, miele appliances, an oversized waterfall island, and a separate walk-in pantry with wine storage. The home is equipped with savant and lutron smart home systems with automated lighting, climate control, audio/video and blinds on every door and window. Unit has 4 parking spaces and 2 storage units. Oceana key biscayne provides world-class amenities including 24-hour concierge, beachfront fitness center and spa, 500ft of beach, oceanfront restaurant, tennis court, putting green, media room/cinema, valet, golf cart parking, and more.

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.