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Key Biscayne, FL Real Estate For Sale

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Tropical Isle Homes, 401 Warren Ln, Key Biscayne, Florida 33149, image 1
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$3,200,000
  • 4 Beds
  • 3 Baths
  • 2,958 SqFt
  • $1,082/SqFt
House for sale in Tropical Isle Homes
401 Warren Ln, Key Biscayne, FL 33149
Welcome to your private retreat in prestigious key biscayne! This spacious corner residence offers 4 bedrooms and 3 baths including a separate 1/1 in-law quarters ideal for extended family, or a private home office. The main home's functional layout features 3 beds/ 2 baths, generous living areas, and a tranquil ambiance. The kitchen includes stainless steel appliances and a formal dining room. A major upgrade providing peace of mind and long-term value was completed in 2024 with a new roof. Situated on a lush, tree-lined street, the property offers serene outdoor living with room for a pool. Enjoy the exclusive island lifestyle with access to top-rated schools, beaches, parks, marinas, and dining just minutes away. Ideal for buyers ready to make it their own in a prime neighborhood.
Fernwood Homes, 544 Fernwood Rd, Key Biscayne, Florida 33149, image 1
$3,000,000
  • 4 Beds
  • 3 Baths
  • 2,605 SqFt
  • $1,152/SqFt
Townhouse for sale in Fernwood Homes
544 Fernwood Rd, Key Biscayne, FL 33149
Welcome to **the village green house**, a striking modern 4-bedroom, 3-bath residence in one of key biscayne’s most coveted locations. Perfectly positioned just behind the recreation center—hub of wellness, sports, and community life—and steps from village hall and village green park. Expansive windows fill the home with natural light, creating bright, elegant living spaces. Enjoy a private heated pool, rooftop terrace ideal for sunset entertaining, and the convenience of an elevator. **no association restrictions** allow effortless living with sports cars, golf cart, bikes, and surf gear. Just steps to the beach, shops, dining, and parks—this is refined island living at its best.
Key Cassa, 200 Sunrise Dr #200C, Key Biscayne, Florida 33149, image 1
$2,100,000
  • 4 Beds
  • 4 Baths
  • 1,750 SqFt
  • $1,200/SqFt
Condo for sale in Key Cassa
200 Sunrise Dr #200C, Key Biscayne, FL 33149
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Tropical Isle Homes, 465 Hampton Ln, Key Biscayne, Florida 33149, image 1
$4,600,000
  • 4 Beds
  • 31/2 Baths
  • 3,666 SqFt
  • $1,255/SqFt
House for sale in Tropical Isle Homes
465 Hampton Ln, Key Biscayne, FL 33149
Timeless mediterranean elegance meets refined modern living in this exquisitely designed residence. Framed by graceful arches, soaring ceilings, and black steel-framed windows and doors, the home is bathed in natural light and rich architectural character throughout. Renovated by current owners in 2022. Roof is 4 years new. Grand living and entertaining spaces feature stone flooring, custom millwork, and curated designer lighting, creating a warm yet sophisticated ambiance. The chef’s kitchen is both functional and beautiful, offering expansive cabinetry, premium appliances including gas range, and a statement island that anchors the space while maintaining seamless sightlines through dramatic archways. Beach club membership. The primary suite is a private sanctuary, complete with layered architectural detailing, serene garden views, and a spa-inspired bath featuring marble finishes, dual vanities, and a freestanding soaking tub. Indoor-outdoor living is effortless. A covered loggia with exposed beam ceilings provides the perfect setting for lounging or dining al fresco, overlooking lush tropical landscaping. The intimate garden retreat is highlighted by a tranquil plunge pool, manicured hedges, and multiple seating areas—ideal for both relaxation and entertaining. Blending classic mediterranean design with modern comfort, this residence offers privacy, sophistication, and resort-style living in an exceptional setting.
Club Tower, 785 Crandon Blvd #705, Key Biscayne, Florida 33149, image 1
$5,450,000
  • 4 Beds
  • 5 Baths
  • 4,200 SqFt
  • $1,298/SqFt
Condo for sale in Club Tower
785 Crandon Blvd #705, Key Biscayne, FL 33149
Direct ocean, bay, sunset & miami skyline views from this rare two-level residence at the ocean club. Offering approx. 4, 200 sf, the layout features 4 bedrooms and 5 baths, plus a spacious living room, family room, and four oversized terraces designed for effortless indoor-outdoor living. The 7th floor includes the living/dining area, kitchen, and a guest bedroom, while the 8th floor offers three additional bedrooms, three baths, and a second family room—ideal for privacy and flexible use. Marble floors, a full-service lobby, guard-gated security, deeded beach access, four assigned covered parking spaces #746, #560, #558, #647 and two storage bins complete the offering.
Tropical Isle Homes, 310 Harbor Ct, Key Biscayne, Florida 33149, image 1
$3,150,000
  • 4 Beds
  • 3 Baths
  • 2,175 SqFt
  • $1,448/SqFt
House for sale in Tropical Isle Homes
310 Harbor Ct, Key Biscayne, FL 33149
Remodeled 4-bedroom, 2-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.
Island House, 200 Ocean Lane Dr #108, Key Biscayne, Florida 33149, image 1
New - 1 day 7 hrs ago
$2,500,000
  • 4 Beds
  • 3 Baths
  • 1,650 SqFt
  • $1,515/SqFt
Co-Op for sale in Island House
200 Ocean Lane Dr #108, Key Biscayne, FL 33149
A rare ground-floor 4br/3ba with a sprawling private lawn, beach access, & the feel of a private home. With more garden space than any house in key biscayne, it’s a dream for families, pet owners & outdoor entertaining. This is the only unit of its kind on the island & the largest in the building (2, 710 sf), expanded through a private extension & merged cabana. Brand-new hardwood floors & 2 spa-like renovated bathrooms. 2 oversized living areas make it ideal for hosting. Floor-to-ceiling windows & tall ceilings fill the home w/bright natural light. The open kitchen & dining area flow seamlessly into indoor & outdoor spaces, capturing the breezy charm of a beach house. 1 bedroom includes a kitchenette, perfect for guests. Steps from the pool & beach, short walk to town. A unique sanctuary.
Tropical Isle Homes, 255 Ridgewood Rd, Key Biscayne, Florida 33149, image 1
$3,650,000
  • 4 Beds
  • 3 Baths
  • 2,177 SqFt
  • $1,677/SqFt
House for sale in Tropical Isle Homes
255 Ridgewood Rd, Key Biscayne, FL 33149
Fully remodeled 4 bedroom and 3 full bath , new hurricane windows and doors will be installed in february, marble tiles throughout, new paint and light fixtures, new kitchen with stainless steel appliances incl wine cooler, formal living room and large dining/ family room facing pool and garden , lots of natural light, split floor plan, master bedroom with walk in closet and access door to pool area, 3 bedrooms where one bedroom offers private bath and sliding door to pool area, could be used as in- law/maids room, separate laundry room with entrance to in-law/maids room, 2 ac systems, large pool area for outside entertainment plus dining area and palm tree lined yard, fully fenced and private back area with gate on each side, house was painted outside had new metal roof installed sept 2024, sprinkler system, parking for 4 cars in front.
Ocean Tower, 791 Crandon Blvd #507, Key Biscayne, Florida 33149, image 1
$6,600,000
  • 4 Beds
  • 51/2 Baths
  • 3,581 SqFt
  • $1,843/SqFt
Condo for sale in Ocean Tower
791 Crandon Blvd #507, Key Biscayne, FL 33149
The convenience of an apartment with the space of a home! Rare four bedrooms (plus separate staff quarters), five and a half bath, floor-through apartment with over 3, 580 sq. Ft. Of living space, plus two oversize terraces, perfect for entertaining and for outdoor living. Tropical ocean and garden views. Impeccably appointed with marble floors throughout all areas except two bedrooms with wood floors, tray ceilings, and recessed lighting. Included are two conveniently located assigned garage spaces. Ocean club is a world-class resort-style building on key biscayne. Tenant occupied. Appointment necessary.
Cape Florida, 161 Cape Florida Dr, Key Biscayne, Florida 33149, image 1
$14,990,000 $500K
  • 4 Beds
  • 41/2 Baths
  • 6,661 SqFt
  • $2,250/SqFt
House for sale in Cape Florida
161 Cape Florida Dr, Key Biscayne, FL 33149
Major price improvement!! 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!
Oceana Key Biscayne, 350 E Ocean Dr #301N, Key Biscayne, Florida 33149, image 1
$8,950,000 $149K
  • 4 Beds
  • 61/2 Baths
  • 3,798 SqFt
  • $2,357/SqFt
Condo for sale in Oceana Key Biscayne
350 E Ocean Dr #301N, Key Biscayne, FL 33149
Stunning corner residence at oceana key biscayne beautiful light-filled 4 bed + staff quarters, 6.5 bath corner residence in the exclusive oceana key biscayne. Features include marble and wood floors, custom built-out closets in every bedroom, motorized blinds with sheer window treatments, and oversized wraparound terraces showcasing incredible ocean views. This full-service building offers world-class amenities including pool and beach access, fitness center, spa, tennis courts, restaurant, concierge, and 24-hour security. A true island sanctuary offering the best in luxury beachfront living. Tenant occupied — showings by appointment only with a minimum of 24-hour notice.
Cape Florida, 100 Cape Florida Dr, Key Biscayne, Florida 33149, image 1
$19,800,000
  • 4 Beds
  • 54/2 Baths
  • 8,240 SqFt
  • $2,403/SqFt
House for sale in Cape Florida
100 Cape Florida Dr, Key Biscayne, FL 33149
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.
Grand Bay Tower, 430 Grand Bay Dr #PH-1AN, Key Biscayne, Florida 33149, image 1
$26,000,000 $8M
  • 4 Beds
  • 42/2 Baths
  • 9,600 SqFt
  • $2,708/SqFt
Condo for sale in Grand Bay Tower
430 Grand Bay Dr #PH-1AN, Key Biscayne, FL 33149
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.
Oceana Key Biscayne, 350 Ocean Dr #701N, Key Biscayne, Florida 33149, image 1
$11,995,000
  • 4 Beds
  • 51/2 Baths
  • 3,787 SqFt
  • $3,167/SqFt
Condo for sale in Oceana Key Biscayne
350 Ocean Dr #701N, Key Biscayne, FL 33149
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.
Mashta Island, 591 N Mashta Dr, Key Biscayne, Florida 33149, image 1
$16,950,000
  • 4 Beds
  • 41/2 Baths
  • 4,290 SqFt
  • $3,951/SqFt
House for sale in Mashta Island
591 N Mashta Dr, Key Biscayne, FL 33149
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.
Tropical Isle Homes, 200 Harbor Dr, Key Biscayne, Florida 33149, image 1
$25,900,000
  • 4 Beds
  • 4 Baths
  • 2,566 SqFt
  • $10,094/SqFt
House for sale in Tropical Isle Homes
200 Harbor Dr, Key Biscayne, FL 33149
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.
Key Biscayne, FL Snapshot
163Active Inventory
6New Listings
$449K to $29.9MPrice Range
22Pending Sales
$1.5MMedian Closed Price
72Avg. Days On Market
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