Key Biscayne, Florida listings for sale

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$11,300,000 - Key Biscayne, FL
610 Harbor Cir Key Biscayne, FL - 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 stone countertops and a wine cellar, this home is designed to meet every need. The pool with a water heater offers a relaxation oasis, while the closed garage for 2 cars and capacity for 5 more ensure convenience and security. Located on the best street in Key Biscayne, this property is the perfect home for a discerning family.
2014 | 6 | 7 | 5,216 sqft.
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$10,500,000 - Key Biscayne, FL
445 Grand Bay Drive Key Biscayne, FL - This stunning floor-through penthouse at Grand Bay Residences redefines oceanfront luxury, offering 7,400 sq ft under A/C with breathtaking sunrise and sunset views. With panoramic ocean and bay vistas, this one-of-a-kind residence is a true house in the sky featuring a grand living area, formal dining room, gourmet kitchen, spectacular home theater, and a stunning primary suite with walk-in closet and his and hers bathrooms. Three additional in-suite bedrooms provide privacy, with two oversized terraces that are just steps from the beach. Designed on an elegant and grand scale, this residence includes world-class amenities such as valet, concierge, resort-style pool, gym, beach access, and exceptional service.
1996 | 4 | 6 | 7,400 sqft.
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$10,500,000 - Key Biscayne, FL
445 Grand Bay Dr Key Biscayne, FL - 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 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 within a premier service building.
1996 | 5 | 6 | 4,810 sqft.
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$8,750,000 - Key Biscayne, FL
545 Sabal Palm Dr Key Biscayne, FL - 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 lifestyle. On the main level, the open modern Ornare kitchen flows into the family room and extends onto a spacious terrace, a formal dining room, butler’s pantry, and glass-walled hallway lead to a serene living area, complemented by a guest suite. A striking glass staircase leads to four spacious bedrooms, including a luxurious primary suite with a private balcony overlooking the serene backyard.
2012 | 5 | 4 | 4,166 sqft.
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$7,390,000 - Key Biscayne, FL
110 Hampton Ln Key Biscayne, FL - 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 state-of-the-art finishes including custom cabinetry & designer fixtures. Enjoy a large pool, lush landscaping, and multiple outdoor lounging areas, perfect for both entertaining and relaxation. Live the dream lifestyle in one of Miami’s most prestigious communities— *expected delivery Q4 2025*
2025 | 6 | 6 | 3,550 sqft.
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$7,150,000 - Key Biscayne, FL
250 Buttonwood Drive Key Biscayne, FL - 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 family room blend seamlessly, while the gourmet kitchen opens to a gorgeous outdoor area filled with natural light. The lush backyard is a true oasis, featuring an oversized pool, expansive terrace, and summer kitchen. A large master suite serves as a serene retreat with great closet spaces. This home embodies the essence of Key Biscayne living.
2007 | 5 | 6 | 4,618 sqft.
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$6,500,000 - Key Biscayne, FL
285 W Mashta Dr Key Biscayne, FL - 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 boasts a stunning swimming pool with abundant sunlight, perfect for relaxation and entertaining. A true masterpiece—elegant, sophisticated, yet warm and inviting.
2022 | 6 | 6 | 3,670 sqft.
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$6,345,000 - Key Biscayne, FL
310 Redwood Lane Key Biscayne, FL - 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 walls of glass that flood the interiors with natural light, creating a seamless blend of indoor and outdoor living. The expansive terrace, resort-style pool, and fully equipped summer kitchen offer the perfect backdrop for unforgettable gatherings surrounded by lush landscaping. A convenient carport and generous driveway parking make this home simply perfect.
2020 | 6 | 6 | 3,854 sqft.
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$5,999,000 - Key Biscayne, FL
201 Buttonwood Dr Key Biscayne, FL - Luxurious coastal living in the exclusive island community of Key Biscayne, Miami. Designed by renowned architect José Sanchez, this 2020 home boasts a sleek architectural design, double height ceilings, floor-to-ceiling windows and abundance of natural light. High-end finishes and materials: marble floors, Italian cabinetry, and a gourmet kitchen with top-of-the-line Sub-Zero/Wolf appliances. Exterior features perfect for entertaining: spacious outdoor terrace, mosaic tiled infinity pool, outdoor kitchen and ipe cabana. A rooftop terrace to enjoy tropical breezes and stunning sunset views. Five oversized bedrooms, en suite baths, walk-in closets and balconies. Close to the yacht club, pristine beaches, marinas, world-class golf course, shops and dining. Living area 4100 sf per architect.
2020 | 5 | 6 | 3,791 sqft.
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$5,975,000 - Key Biscayne, FL
430 Grand Bay Dr Key Biscayne, FL - The best of both worlds—this one-of-a-kind lanai residence offers the space and feel of a house within a full-service condominium. Featuring an oversized terrace of over 2,000 sq. ft. just steps from the pristine beach and pool, it’s perfect for entertaining or a safe space for children to play. Spanning 3,950 sq. ft. under A/C, it boasts 4 en-suite bedrooms, including a spacious master suite with his-and-her bathrooms, plus 5.5 baths. Located in the island paradise of Key Biscayne, this full-service building offers valet, concierge, a gym, and more. The thoughtfully designed layout includes spacious living, dining, and family areas, plus a kitchen overlooking the terrace, seamlessly blending indoor and outdoor living. This is a true gem!
1999 | 4 | 6 | 3,950 sqft.