Refine Search
Map
Sort by
$1,500,000
2 Beds ⋅ 2 Baths ⋅ A11996164 MLS ⋅ 33149 Zip Code ⋅ The Emeraldbay BLDG.
Fully renovated 2-bedroom + ENCLOSED den, 2-bathroom residence with a thoughtful, high-end transformation that goes beyond a typical remodel. The interiors reflect a clean, modern design with custom finishes and carefully integrated upgrades throughout. The open kitchen is designed for both functionality and entertaining, featuring a sleek bar, stainless steel appliances, and seamless connection to the main living area. Custom built-in closets have been incorporated across the residence, maximizing storage while maintaining a refined aesthetic. The layout offers an ideal flow, with the living room and both bedrooms opening directly onto an oversized balcony. This outdoor space becomes a natural extension of the interiors, overlooking the pool area with completely open south-facing views—no neighboring buildings in sight—providing light, privacy, and a sense of openness rarely found. The primary suite includes a spacious walk-in closet and a fully renovated bathroom, executed with elevated finishes. The enclosed den adds versatility, ideal as a home office, guest space, or media room. A unique offering within the building, combining design, functionality, and unobstructed views. Residents enjoy a full suite of amenities including gym, Olympic-size pool, tennis courts, playground, and direct beach access, making it especially appealing for families. Unit is rented until July 31, 2026.

151 Crandon Blvd Unit #241, Key Biscayne
$16,800,000
4 Beds ⋅ 4 Baths ⋅ A11990382 MLS ⋅ 33149 Zip Code ⋅ Mashta Island BLDG.
Welcome to your own slice of paradise! Enjoy breathtaking sunsets from your private dock on this waterfront property boasting 100 feet of direct Biscayne Bay frontage. Ideally located on Mashta Island. Set on a 15,000 SF lot, the home features 5 beds, 5 baths, including 2 bayfront primary suites with stunning views, impact windows and doors throughout. The open-concept layout flows seamlessly from the living and dining areas to the modern kitchen and out to the pool and entertainment patio, with floor-to-ceiling glass doors that open to blend indoor and outdoor living. Tranquil guest suite upstairs offering privacy and views. It also features an oversized 2-car garage, covered parking, and a spacious driveway for guests. Perfect to move in, renovate, or build your dream waterfront estate

640 S Mashta Dr, Key Biscayne
$1,350,000
2 Beds ⋅ 2 Baths ⋅ A11977930 MLS ⋅ 33149 Zip Code ⋅ Towers Of Key Biscayne Co BLDG.
Top floor penthouse unit that has been beautifully renovated. Split plan 2/2 with ocean views from all rooms. Large eat in kitchen and spacious terrace. Ample closets

1121 Crandon Blvd Unit #E1203, Key Biscayne
$6,900,000
2 Beds ⋅ 4 Baths ⋅ A11973615 MLS ⋅ 33149 Zip Code ⋅ Grand Bay BLDG.
Commanding breathtaking Atlantic vistas from its privileged eighth-floor setting at Grand Bay Tower, this residence is a rare offering on Key Biscayne. Enjoying an unusually private setting with unobstructed ocean views and minimal visibility from neighboring residences, the home offers a level of seclusion seldom found in oceanfront condominium living. Originally a three-bedroom, five-and-a-half-bath home, it has been masterfully reimagined into a grand two-bedroom, three-and-a-half-bath layout, enhancing scale and flow for refined entertaining and effortless daily living. Spanning approximately 3,950 square feet, the living and dining areas, a cozy family room, and a bright kitchen with breakfast area are complemented by three terraces totaling approximately 595 square feet, seamlessly integrated to capture sweeping Atlantic views from every room. Custom woodwork by renowned designer Juan Montoya enriches the interiors, while the serene primary suite offers a secluded sitting room, bespoke closets, and a spa-inspired bath, creating a private sanctuary within this singular home. The sale includes a private guest quarters—an increasingly rare and coveted amenity at Grand Bay—as well as two storage units. Combining exceptional scale, refined finishes, remarkable privacy, unobstructed Atlantic views, and desirable ancillary spaces, this residence represents a unique opportunity within one of Key Biscayne’s most prestigious oceanfront buildings.

430 Grand Bay Dr Unit #801, Key Biscayne
$3,750,000
3 Beds ⋅ 3 Baths ⋅ A11968667 MLS ⋅ 33149 Zip Code ⋅ Mar Azul BLDG.
Stunning penthouse with ocean views and Key Biscayne shoreline. Three bedrooms, 3 baths. 3711 sq. ft. The bright and airy living room seamlessly integrates with the dining area, featuring floor-to-ceiling windows that flood the space with natural light. Enjoy culinary delights in the state-of-the-art kitchen, equipped with top-of-the-line appliances, custom cabinetry, and a generous island for casual dining. The master bedroom offers a private oasis with panoramic water views, two walk-in closets, and an en-suite bathroom featuring dual vanities, and a glass-enclosed shower. Two additional well-appointed bedrooms provide comfort and privacy, each with its own stylish bathroom. Laundry room and storage unit Residents have access to a private pool, fitness center, and beach access, ensuring a lifestyle of convenience and leisure. This penthouse is a rare gem, offering an unparalleled blend of luxury, comfort, and beachside living. Don’t miss your chance to own a piece of paradise in Key Biscayne.

600 Grapetree Dr Unit #11BN, Key Biscayne
$18,900,000
5 Beds ⋅ 6 Baths ⋅ A11954185 MLS ⋅ 33149 Zip Code ⋅ Grand Bay BLDG.
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 completely remodeled kitchen and family room provide comfort and functionality. The fully renovated 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.

445 Grand Bay Drive Unit #PH-1A, Key Biscayne
$3,750,000
2 Beds ⋅ 3 Baths ⋅ A11951092 MLS ⋅ 33149 Zip Code ⋅ Oceana Key Biscayne BLDG.
Experience refined beachfront living at Oceana Key Biscayne, the island’s premier luxury condominium community. Designed by the acclaimed firm Arquitectonica, this iconic oceanfront development spans 10.3 acres and offers 400 linear feet of pristine Atlantic shoreline. Rising 15 stories, Oceana features 142 exclusive residences and 12 private villas, setting a new standard for coastal elegance. Residence 205N offers a spacious 2-bedroom layout with a staff room, an open-concept gourmet kitchen equipped with top-tier appliances, high-end finishes throughout, private elevator access, and expansive terraces ideal for enjoying ocean breezes and sunset views. Residents enjoy world-class resort-style amenities including valet service, beachfront dining, state-of-the-art fitness center, lap and recreational pools, tennis courts, beach volleyball, media and party rooms, and dedicated children’s spaces—delivering the ultimate Key Biscayne lifestyle.

350 Ocean Dr Unit #205N, Key Biscayne
$19,800,000
4 Beds ⋅ 9 Baths ⋅ A11934196 MLS ⋅ 33149 Zip Code ⋅ Cape Florida Sub Sec 3 BLDG.
Enjoying an exceptional 270ft of L-shaped water frontage facing 185-ft-wide Pines Canal and the natural beauty of Bill Baggs Cape Florida State Park, this elegant island-coastal estate is tailored to a boating lifestyle. Offering calm and naturally sheltered harbor, concrete seawall, boat lift, dockside kitchen and side-dock boat storage that preserves unobstructed water views, the property provides a sense of openness, privacy, and tranquility. Clean architectural lines, an internal garden courtyard, and generous covered terraces fill the residence with natural light and create a seamless connection to the surrounding water and landscape. This elevated home offers 4 bedrooms plus staff quarters, 5 bathrooms, and 4 half-baths within 8,240 sqft of living space on a 16,500-sqft lot. Architectural tray ceilings, refined millwork, custom wall paneling, and thoughtfully designed built-ins with abundant storage add depth and craftsmanship while maintaining a light, contemporary coastal aesthetic. Formal living and dining rooms with elegant millwork provide an ideal setting for entertaining. The kitchen is appointed with Calacatta Gold marble countertops, gas cooking, Sub-Zero and Viking appliances, and a butler’s pantry. Additional highlights include 2 family rooms, fitness center with water views, 2 garages accommodating 7+ cars/golf carts, temperature-controlled wine cellar for 1,400+ bottles, elevator, retractable screen doors, generator and saltwater heated pool.

100 Cape Florida Dr, Key Biscayne
$26,000,000
4 Beds ⋅ 6 Baths ⋅ A11915787 MLS ⋅ 33149 Zip Code ⋅ Grand Bay Tower BLDG.
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.

430 Grand Bay Dr Unit #PH-1AN, Key Biscayne
$8,950,000
4 Beds ⋅ 7 Baths ⋅ A11911813 MLS ⋅ 33149 Zip Code ⋅ Oceana Key Biscayne BLDG.
Stunning Corner Residence at Oceana Key Biscayne Beautiful, light-filled 4-bedroom residence with staff quarters and 6.5 bathrooms, ideally situated in the exclusive Oceana Key Biscayne. This exceptional corner home features marble and wood flooring, custom-built closets in every bedroom, motorized blinds with sheer window treatments, and expansive wraparound terraces showcasing breathtaking ocean views. Oceana Key Biscayne offers world-class amenities, including direct beach access, resort-style pools, a state-of-the-art fitness center, spa, tennis courts, an on-site restaurant, concierge services, and 24-hour security. The residence is now vacant, ready for its new owner, and easy to show. A true island sanctuary offering the finest in luxury beachfront living.

350 E Ocean Dr Unit #301N, Key Biscayne
$19,450,000
7 Beds ⋅ 8 Baths ⋅ A11912105 MLS ⋅ 33149 Zip Code ⋅ Hurricane Cove BLDG.
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 staff 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

550 Harbor Dr, Key Biscayne
$1,900,000
3 Beds ⋅ 2 Baths ⋅ A11883237 MLS ⋅ 33149 Zip Code ⋅ Key Colony BLDG.
Completely remodeled and sold fully furnished as is located a Key Colony Oceansound. This spacious residence features 2 large bedrooms PLUS an enclosed den currently used as a third bedroom. 2 full renovated bathrooms. Modern open kitchen with breakfast bar, integrated living and dining areas. Abundant natural light throughout. Facing north, the unit has green and open view, super quiet & with privacy. Unit includes one assigned covered parking space. Enjoy the full array of Key Colony amenities—pool, tennis courts, gym, beach access, and more—along with the unmatched Key Biscayne lifestyle.

251 Crandon Blvd Unit #227, Key Biscayne
$29,500,000
9 Beds ⋅ 10 Baths ⋅ A11883349 MLS ⋅ 33149 Zip Code ⋅ Cape Florida Sub Sec 3 BLDG.
Private and prestigious waterfront estate featuring Panoramic views of Biscayne Bay and Pines canal. A dream property for the Yacht set, with 346 ft of water frontage & direct ocean access. The gated estate is one of the island’s largest, set on a lush 32,300 Sq.Ft lot, perfect for entertaining. Designed with the finest attention to detail, the home is extremely spacious "16,076 sf total", including 9 Bd., 8 Ba., library, office, theater, bar, spa with sauna, gourmet kitchen, marble & brazilian hardwood floors, security cameras, Lutron lighting & more. Note: The adjacent house is also available for sale, offering an additional 250 ft of water frontage on a separate 23,724 sq ft lot

260 Cape Florida Dr, Key Biscayne
$25,900,000
4 Beds ⋅ 4 Baths ⋅ A11869417 MLS ⋅ 33149 Zip Code ⋅ Tropical Isle Homes Sub 4 BLDG.
Key Biscayne Waterfront – Unbeatable Location. Experience Miami’s skyline views from your private saltwater pool and man-made beach. This elegant four-bedroom residence features marble floors, impact-glass windows, and a modern open kitchen filled with natural light. Enjoy two electric boat slips, direct water access for kayaking or paddleboarding, and a spacious two-car garage. Currently leased until December 1, 2025.

200 Harbor Dr, Key Biscayne
$12,485,000
6 Beds ⋅ 8 Baths ⋅ A11812864 MLS ⋅ 33149 Zip Code ⋅ Cape Florida Sub Sec 1 BLDG.
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

420 Island Dr, Key Biscayne
$19,500,000
6 Beds ⋅ 10 Baths ⋅ A11731927 MLS ⋅ 33149 Zip Code ⋅ Cape Fla Sub Sec 2 BLDG.
Discover unparalleled luxury at 960 Mariner Dr, Key Biscayne. This new architectural gem offers over 9,640 SF of living space, 7742 SF under air conditioning, 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.

960 Mariner Dr, Key Biscayne