5-Bedroom Homes for Sale in Key Biscayne, FL

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,

Fernando Gimenez Gimeza A Real Estate Corp.

This spectacular property in Key Biscayne offers a luxurious and comfortable lifestyle. With three floors, expansive gardens, and a balcony with a wooden deck, it invites you to enjoy the outdoors in a sublime setting. High-end finishes, such as bathrooms clad in stone and natural, organic materials, add a touch of elegance. Featuring 6 bedrooms, 2 offices, a gym, and a spectacular kitchen with

Grehyni Narvaez Avanti Way Realty LLC

Experience unparalleled elegance in this stunning contemporary estate, set on an oversized 9,258 sq. ft. lot in exclusive Key Biscayne. Built in 2020, with a brand-new roof in 2025, this 7-bedroom, 7-bathroom home, plus two powder rooms, blends sophistication with seamless indoor-outdoor living.An open floor plan, custom-built kitchen cabinetry, and abundant natural light create an

Fernando Muniz AG Real Estate Advisors, LLC

Architectural Masterpiece in Key Biscayne by Deborah de Leon. This 6,871 sq ft modern estate showcases exquisite design on an oversized lot. Step through the grand wooden entry, where a breathtaking pool welcomes you into a private oasis. Approx.2,000 sq ft covered outdoor area seamlessly blends indoor& outdoor living, allowing you to enjoy the refreshing ocean breeze; the ultimate Key Biscayne

Audrey Ross, Ph.D Compass Florida LLC

This spectacular, one-of-a-kind residence on Buttonwood Drive sits on a prime corner, boasting an oversized 9,730 sq. ft. lot (per owner’s survey). With 5 spacious bedrooms and 5.5 well-appointed baths, this home’s exceptional floor plan offers soaring ceilings and beautifully defined spaces, perfect for an elevated island lifestyle. The expansive living room, elegant dining area, and inviting

Brigitte Nachtigall One Sotheby's International Realty

Stunning custom-built Villa located on 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

O. Cristina Murciano One Sotheby's International Realty

Escape to this private oasis with this exquisite 7-bedroom, 7.5-bath residence on the island of Key Biscayne. Set on a premier 9,873 sq. ft. corner lot—expanding to approximately 11,000 sq. ft. including the easement—this home epitomizes luxury, offering seclusion and abundant space to live the Florida lifestyle to its fullest. Indoors, every detail speaks to elegance, from the Italian Scavolini

Catalina Uribe Coldwell Banker Realty

welcome to Key Biscayne. You cannot dream of a most perfect home with only good vibes and a twist of Saint Barth One story Beach house home style, with 5 bedrooms. Open kitchen, large reception area and inviting covered terrace overlooking pool and gazebo . Light grey color floors, open kitchen with countertop overlooking garden and pool. Perfectly appointed and elegant decoration. Family room,

Brigitte De Langeron DLS International Realty

Nestled in one of Miami’s most exclusive and sought-after locations, this stunning new construction offers the epitome of luxury living in Key Biscayne. Designed with sophistication and elegance in mind, this architectural masterpiece blends contemporary design with the laid-back charm of island living. The property features expansive open-concept spaces, floor-to-ceiling windows, and

Jacqueline Molina Fortune Christie's Intl R.E.

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

Elena Chacon BHHS EWM Realty

This stunning two-story home located in the sought after prestigious Key Biscayne neighborhood is the perfect residence for a family in search of comfort and style. With 6 spacious bedrooms and 5.5 bathrooms, this property offers more than enough space to accommodate your loved ones. Additionally, its elegant design and high-quality finishes create an atmosphere of luxury and sophistication. The

George Bunassar Premier Elite Realty Inc.

Located on one of the most desirable streets in Key Biscayne, 164 W Mashta Dr is a bright and spacious elevated home designed for family living and entertaining. This timeless contemporary residence features high ceilings, kitchen and family room, generous living areas, six bedrooms, five full bathrooms, and abundant natural light throughout. The great layout includes spacious bedrooms, a great

Maria Lopez Santalla Great Properties International LLC

Stunning house in the heart of Key Biscayne, close to schools, community center, Village Green and shopping. Elegantly furnished 6 bedrooms and 6.5 bathrooms, its indoor and outdoor spaces seamlessly incorporate and embrace the South Florida lifestyle. Open floor plan with living, dining, kitchen and family room overlooking the heated pool, terrace and landscape yard. House offers high-end

Maria Torres BHHS EWM Realty

Built in 2020, this gorgeous residence is located on a quiet street on the exclusive paradise island of Key Biscayne. Designed with a sleek, modern, elegant and sophisticated open layout, this very comfortable home offers 6 spacious bedrooms and 5.5 beautiful bathrooms. Set on an 8,250 sq ft lot with 3,850 sq ft under A/C, it features soaring ceilings, exquisite high-end finishes throughout, and

Brigitte Nachtigall One Sotheby's International Realty

Spectacular High-Floor Residence. Experience elevated coastal living in this stunning 5-bedroom, 4.5-bathroom 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

Cristian Black BHHS EWM Realty

Enjoy Key Biscayne’s Island Lifestyle in this Gorgeous 6 Bedrooms 6 Bath modern home! Located on a very Desired Quiet street, One of the Few Gated homes on the Island! Ammenities include Pool & Outdoor Spa, Large Garden &BBQ Area & Indoor steam room. Great entertaining Home Indoor & Outdoor , Kitchen is Chef's Gourmet with Viking appliances overlooking the pool area. The kitchen includes a double

Elena Iturriaga London Real Estate Co.

Your tropical private retreat on exclusive Mashta Island. This 6 bed / 5 bath, 3,245 SF Mediterranean villa sits on a spacious 10,000 SF lot with lush landscaping, a resort-style pool, and a private cabana guest suite. Interiors with soaring 10-foot ceilings flow seamlessly to the outdoors, perfect for entertaining and relaxed island living. Intentionally designed with two primary suites (first

Joan Bruggink One Sotheby's International Re

Located on exclusive Mashta Island, this magnificent waterfront dream residence has been completely remodeled to offer the most luxurious and contemporary living experience. With attention to detail evident in every corner and top of the line finishes throughout, residents can enjoy the breathtaking views of smugglers cove and Biscayne bay. Sitting on 17,012 Sq Ft of land, this 3-level home

Brigitte Nachtigall One Sotheby's International Realty

Nestled in the serene and exclusive community of Key Biscayne, this delightful and very charming two-story home is located on a secluded and quiet street, offering the perfect backdrop for a quintessential family lifestyle. You will be greeted by a warm and inviting interior with an open floor plan which seamlessly blends living, dining, kitchen, and family areas fostering a sense of togetherness

Brigitte Nachtigall One Sotheby's International Realty

This home has the "WOW' factor! This spacious home on an oversize corner lot (9515 sq.ft)was meticulously remodeled and upgraded in the most beautiful style! 3962 sq.ft. of interior space. Sumptuous wallpapers, wood paneling at the entrance and so many gorgeous details! To see it is to love it! Vaulted ceilings including in the primary bedroom and living room! Beautifully fenced yard with

Ana Somarriba Great Properties International LLC

Nestled in one of the island's most desirable streets, this rambling ranch-style home blends elegance and comfort. Custom gates welcome you to a lush tropical garden with a serene fountain, setting the stage for a tranquil retreat.Thoughtfully designed on a 10,007 sq.ft. elevated lot, this 5-bedroom, 4-bath home features an open floor plan, soaring ceilings, and abundant natural light. A spacious

Victor Coto One Sotheby's International Realty

A BOATERS PARADISE WITH SERENE WATER & PROTECTED LUSH GREEN TROPICAL RESERVE VIEWS FROM THIS NEW IMPECCABLE TRANSITIONAL KEY BISCAYNE WATERFRONT ESTATE! Lush Pathway leads to Loggia Entrance. Home encompasses 6 Beds + 6 Baths + 2 Powder in 8,473 Adj SF of Interiors 18,600 SF Lot w/100 FT of Waterfrontage. Concrete Seawall & Dock + Boat Lift w/15,000 LBS Capacity. Open Living Area w/Soaring

Dora Puig Luxe Living Realty

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

Amelia Courtney DLS International Realty

Spectacular fully upgraded home featuring exquisite millwork, designer wallpaper, a state-of-the-art camera and sound system, and a highly functional layout. This elegant residence offers 6 bedrooms and 6.5 baths, seamlessly blending sophistication and comfort. The expansive terrace connects both the living and family rooms, creating an ideal indoor-outdoor living experience. The private backyard

Elena Chacon BHHS EWM Realty

Seize the rare chance to create your dream estate on one of the largest lots in Key Biscayne's prestigious Mashta Island community. This 22,140-square-foot property features 138 feet of pristine water frontage, offering breathtaking open-water views—an ideal backdrop for a grand residence. Collaborate with the renowned Corazzini & Associates, known for their award-winning designs that merge

Jonathan Matos Douglas Elliman

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

Brigitte Nachtigall One Sotheby's International Realty

Elegant 5-Bedroom Home with Pool, BBQ, and Spacious Patio in Key Biscayne. Discover the perfect blend of comfort and style in this beautiful 5-bedroom, 4.5-bathroom home, ideally located in the sought-after Key Biscayne community. Designed with modern living in mind, this home features an open floor plan that effortlessly connects the living, dining, and kitchen areas — ideal for family life and

Eduardo Vera Cervera Real Estate Inc.

Spectacular Contemporary Home, located on Cape Florida Drive cul-de-sac, one of the highest land value in the island of Key Biscayne, over 1/2-acre lot, more than 250’ waterfront, private dock, boat lift, custom made pool, elevator, an elegant grand foyer entrance with an indoor botanical garden & electric sprinkler system, followed by a majestic unique custom design staircase by an iconic

Rosa Nelly Minano Cervera Real Estate Inc.

Experience Modern Elegance on the exclusive island of Key Biscayne. NEW custom residence by Jose Sanchez Praxis balances contemporary elements with comfortable living spaces. Positioned on a distinguished corner with lush landscaping, the stunning 5BR/5.5BA residence features expansive social areas, high ceilings and spacious bedrooms. High-end Italian kitchen cabinetry, centered around a

Magdalena Tomasino Engel & Völkers Miami

Discover the incredible opportunity to own a brand-new construction in prestigious Key Biscayne. This custom-built, modern two-story home features expansive living areas with soaring 11’ ceilings, 5 bedrooms, and 5.5 baths. Every detail reflects luxury and sophistication, with high-end finishes and premium appliances throughout. Enjoy your private outdoor oasis with a sparkling pool, covered

Adriana Hernandez Coldwell Banker Realty

Indulge in luxury at this READY TO MOVE Key Biscayne home on Woodcrest Rd. With 5 bedrooms, 5.5 bathrooms, and over 4,000 sq ft, this residence seamlessly blends style and functionality. A chef kitchen, high end cabinetry, automated smart system and ample storage enhancing modern living. Enjoy two family rooms, one on each floor, high ceilings and floor to ceiling impact windows. Outside, a

Xiomara Cortes London Real Estate Co.