luxury real estate for sale Key Biscayne, United States

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.

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.

Extensively renovated and move in ready four bedroom five and a half 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 a 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. Oceana Key Biscayne provides world class amenities including twenty four hour concierge beachfront fitness center and spa five hundred feet of private beach oceanfront restaurant tennis court putting green media room cinema valet golf cart parking and more.

Experience luxury living at its finest in this stunning Key Biscayne waterfront home. Recently renovated to the highest standard, no expense was spared in creating this masterpiece with new bedrooms, bathrooms, flooring, plumbing, electrical, outdoor deck, kitchen, and appliances. Enjoy the spacious, contemporary design with a private oasis and breathtaking canal views. Natural light streams through soaring ceilings and floor-to-ceiling sliding glass doors, while custom lighting adds a touch of sophistication. The home features 4 generous en-suite bedrooms, a gym (convertible to a 5th bedroom), a gorgeous home theater, powder room, cabana bath, and an outdoor summer kitchen with covered lounge space and boat lift. Additional conveniences include 2 service bedrooms.

Welcome to Cay Polynesia! This 1BD/1BA is your opportunity to step into one of Miami's most coveted communities, Key Biscayne living at an incredible entry point. The building offers a resort-style pool surrounded by lush landscaping, 1 assigned parking space, and exclusive private beach access. A pleasure to show!

Just steps from the beach, enjoy luxury living in this stunning 3 Bedroom Lake Villa residence at The Ocean Club, Key Biscayne - offering a perfect blend of elegance and comfort. The private elevator opens into a gracious foyer, leading to lake views, abundant natural light, and spacious interiors. This larger Lake Villa model (2,470 SF) feels more like a house than a condo with walk in closets & ample storage. The oversized balcony is an extension of the living space and perfect for kids' play & entertaining. The Ocean Club features a private Beach Club, beachside restaurants, fitness center, spa & beauty salon, Tennis club, and more! Immediate availability & easy to show – seize the opportunity to make this your dream home!

Welcome to Cay Polynesia! This 1BD/1BA is your opportunity to step into one of Miami's most coveted communities, Key Biscayne living at an incredible entry point. The building offers a resort-style pool surrounded by lush landscaping, 1 assigned parking space, and exclusive private beach access. A pleasure to show!

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.

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.

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, this property is especially ideal for families - 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.

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.

Experience an Exceptional Renovated Oceanfront Town House Rarely available in the Market! Enjoy the privacy & space of a home, combined with the ease of a Condo living. This spacious residence features 4 Bedrooms + Cabana + Office space, 5 full Bathrooms and a renovated open Kitchen & TV Room -with direct access to the Unit's Patio, located beside Tidemark's pool, sauna, jacuzzi & gym. From the the main bedroom, the spacious living-dining area and the terrace you will enjoy spectacular sunrises and pink sunsets with stunning direct ocean views. Ideal for gatherings and beachside living, enjoy a large rooftop-terrace with panoramic sea views and a sea-level Fully Equipped Cabana with a full bathroom and direct Beach Access. Private Elevator. Gated private Garage & additional 2 parking spots are located in the general parking space (4 total). Key Colony Condo offers resort-style amenities including, pools, jacuzzi, sauna, 12 tennis courts, private gym, mini-market, spa-hair-nail-salon, 24/7 security guards, 24/7 Lobby services, full beach service an oceanfront beach-bar, kids playground, pets park, walking & jogging paths and more. A unique opportunity to own a beachfront property— in the paradise island of Key Biscayne!

From the moment you enter Residence 1102, the ocean unfolds in front of you. Positioned on a high floor within one of the building’s most desirable lines, this premium unit is distinguished by its elevation and its unobstructed views. Every room opens directly to the water and shoreline, offering a wide, continuous horizon. The living and dining area is both spacious and filled with natural light, extending seamlessly onto a full-length balcony that enhances the sense of openness. From here, the views are expansive and ever-changing, accompanied by the gentle sound of the ocean below. Both bedrooms are oriented toward the water and feature en-suite bathrooms, offering privacy and comfort. The two bedrooms are framed by ocean-facing windows, creating a quiet, restful retreat. Walk-in closets in each bedroom provide ample storage and convenience. The kitchen, bathrooms, and flooring have been updated with clean, timeless finishes that complement the residence’s understated elegance. Impact windows throughout the building contribute an added sense of security and comfort. Residents enjoy direct beach access and a full suite of amenities, including a beachfront pool, heated pool, fitness center, 24-hour doorman, valet service, and beach chair and umbrella service. Residence 1102 is a rare opportunity to own a premium oceanfront home in one of the most desirable buildings in Key Biscayne.

Exceptional opportunity in Key Biscayne’s desirable Holiday Colony, just a short stroll from the island’s beautiful sandy beaches. Location truly is everything, and this property offers the rare chance to own a home in one of Key Biscayne’s most sought-after neighborhoods, where the beach lifestyle can be enjoyed every day.Situated on an oversized lot of over 12,000 Sq Ft, this residence features 5 bedrooms and 4 bathrooms, all conveniently located on one level, with a spacious and functional floor plan. The home offers wonderful natural light and a generous backyard with pool, providing the perfect setting for outdoor living, entertaining, and enjoying the tranquility of island life.Whether you choose to enjoy the home as it is, update it to today’s standards, or create your own dream residence, this property offers endless potential in a truly prime location within walking distance to the beach, parks, and everything that makes Key Biscayne such a special place to live.

Beautifully Furnished 2-Bedroom, 2-Bath Residence in the Heart of Key Biscayne Ideally located in the heart of Key Biscayne, this bright and inviting residence offers excellent natural light and beautiful sunset views from a comfortable private balcony. Just steps from the school, supermarket, and park, the location provides exceptional convenience for everyday living. The building features a swimming pool and a multipurpose/community room, enhancing the lifestyle and amenities this property offers. The unit is currently available and offered fully furnished (preferred), though the possibility of renting unfurnished may be considered. A wonderful opportunity to enjoy comfortable island living in a prime Key Biscayne location.

Exceptional floor-thru views of Atlantic Ocean and Miami Skyline from this most sought after D model apartment. From your private elevator step right into this oversize 3 bd. (en suite) plus separate staff quarters, 4 and a half baths. Formal living and dining rooms. Kitchen/family room combo converted into eat-in kitchen and bedroom #4. Marble floors in all social areas. Easy to show by appointment

High above the turquoise waters of Key Biscayne rises a penthouse that simply cannot be replicated. Once featured in Architectural Digest, this legendary corner residence at Grand Bay is a statement of scale, design, and presence. From sunrise over the Atlantic to glittering sunsets across Biscayne Bay and the Miami skyline, the views are cinematic in every direction, offering endless blue water, golden light, and exceptional privacy. Spanning an extraordinary 8,435 square feet under air and 2,825 square feet of terraces, totaling 11,260 square feet as per the developer’s floor plan, the residence is defined by soaring 12-foot ceilings and grand proportions throughout. A dramatic foyer leads to a spectacular Grand Room designed for both intimate living and large-scale entertaining. The formal dining room is separate and elegant, while the generously proportioned kitchen and family room provide comfort and functionality. A refined private library and custom bar enhance the home’s entertaining appeal. The primary suite is serene and expansive. All the bathrooms have just been completely remodeled, offering a fresh spa-inspired experience finished to today’s highest standards. Four (4) additional en-suite bedrooms ensure comfort and privacy. The terraces offer expansive outdoor living in the sky, perfect for sunrise mornings and sunset evenings overlooking the water and skyline. This is not simply a penthouse. It is a landmark residence, rare and impossible to duplicate.

Best Priced 3 Bedroom/2 bath Beachfront Condo on Key Biscayne! This unit was completely renovated in 2020 creating a beautifully enlarged, modern open floor plan. The rooms are oversized, each with a lovely view of the ocean, patio or courtyard. The space is light, bright and airy with floor to ceiling impact sliding doors spanning the entire width of the unit. Mar Azul has been fabulously updated with a new lobby, common areas, a meditation garden, beachfront pool and gym. The incomparable Key Biscayne lifestyle is so unique, you will never want to leave!

Remodeled four bedroom, two bath custom built home featuring an open foyer entry, separate living and dining rooms, and an eat in kitchen with wood cabinetry and granite countertops. Spacious primary suite with dual sinks in the en suite bath. Enjoy a large covered terrace, perfect for outdoor living.

KEY CASSA introduces a new standard of refined island living, blending contemporary elegance, exceptional quality, and remarkable value in the heart of Key Biscayne. This brand-new, never-lived-in 3-bedroom, 3-bath residence presents a rare opportunity to be the very first to experience its impeccable design and sophisticated finishes. Thoughtfully crafted with an expansive open-concept layout, the home is filled with natural light and enhanced by premium Miele appliances, bespoke custom closets, designer details, and a dedicated laundry area for seamless everyday living. Complete with low maintenance fees and a private parking space equipped with an EV charger, KEY CASSA offers effortless luxury in an exclusive setting. All residences feature the same elevated finishes and floor plan, with variations only in floor level and outdoor space. Residence 202B is ideally positioned on the first level and features a charming private terrace

KEY CASSA introduces a new standard of refined island living, blending contemporary elegance, exceptional quality, and remarkable value in the heart of Key Biscayne. This brand-new, never-lived-in 3-bedroom, 3-bath residence presents a rare opportunity to be the very first to experience its impeccable design and sophisticated finishes. Thoughtfully crafted with an expansive open-concept layout, the home is filled with natural light and enhanced by premium Miele appliances, bespoke custom closets, designer details, and a dedicated laundry area for seamless everyday living. Complete with low maintenance fees and a private parking space equipped with an EV charger, KEY CASSA offers effortless luxury in an exclusive setting. All residences feature the same elevated finishes and floor plan, with variations only in floor level and outdoor space. Residence 204B is ideally positioned on the first level and features a charming private terrace

This highly sought after oceanfront corner residence offers an exceptional combination of privacy, light, and breathtaking panoramic views from every window. Ideally positioned in the most desirable B08 in the building, this unit features coveted Southeast exposure with sweeping vistas of the ocean, the South and North shorelines, State Park, and where the Atlantic Ocean meets Biscayne Bay. Floor to ceiling impact windows and doors providing exceptional natural light throughout. The result is a seamless indoor, outdoor feel that enhances the home's open and airy ambiance. Beautifully remodeled, the residence features natural stone flooring, custom cabinetry, ample closets, eat-in kitchen and special designer touches throughout. Parking space 61 in the upper garage. Special assessment has been paid in full.

Overlooking Biscayne Bay, 485 W Matheson Drive stands as one of America’s most iconic and irreplaceable residential estates — a true trophy asset where presidential history, cinematic legacy, and unmatched waterfront scale converge in extraordinary fashion.Set across approximately 2.38 acres with an exceptional 862 feet of direct bay frontage, the estate commands unobstructed panoramic views of the Miami skyline and Biscayne Bay, offering a level of prestige, privacy, and exclusivity rarely attainable in South Florida.Historically recognized as the “Winter White House,” the estate also achieved global cinematic status as the residence of Frank Lopez in Scarface, while still preserving original architectural elements, including the iconic glass elevator.Spanning approximately 13,500 square feet across three levels, the residence features 5 bedrooms, a gym convertible into a sixth suite, 7 full bathrooms, and 2 powder rooms. Monumental 24-foot ceilings, marble flooring, and dramatic walls of glass frame breathtaking bay views throughout the home.Expansive living, dining, and entertaining spaces flow seamlessly onto oversized terraces, creating a sophisticated indoor-outdoor lifestyle perfectly suited for both everyday living and large-scale entertaining.The resort-style grounds include a signature saltwater piano-shaped pool, outdoor cabana bath, lush tropical landscaping, and expansive manicured lawns enhanced by expertly integrated landscape lighting that transforms the estate after sunset.A defining feature of the property is its extraordinary private marina — formerly serving as a presidential helipad — equipped with rare three-phase power and docking capacity for yachts up to 200 feet, in addition to more than 34,000 square feet of submerged land rights.An irreplaceable waterfront compound widely regarded as one of the most historically significant and architecturally iconic estates in the Miami luxury real estate market.

Experience refined island living in Key Biscayne, a true paradise just minutes from downtown Miami. This beautifully renovated residence offers 4 bedrooms, a private office and 3 bathrooms. The chef's kitchen showcases premium appliances and generous counter space, seamlessly flowing into bright family room, dining and living areas ideal for both everyday living and entertaining. Impact windows and doors enhance security and efficiency throughout. Step outside to your private tropical oasis featuring a heated saltwater pool, lush landscaping, and inviting outdoor spaces perfect for relaxation. Beach Club membership. A rare opportunity to own a slice of paradise in one of most exclusive island community.