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Key Biscayne Luxury Homes For Sale

54 Matching Listings
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$71,000,000
Key Biscayne
Tropical Isle Homes Subdivisi  
1 Bed, 1 Baths , 4,679 SqFt - Active
280 Harbor Dr, Key Biscayne, FL 33149
Single Family - Waterfront Yes Days Listed: 45
$34,500,000
Key Biscayne
Tropical Isle Homes Subdivisi  
6 Bed, 7 Baths , 7,178 SqFt - Active
330 Harbor Dr, Key Biscayne, FL 33149
Single Family - Waterfront Yes Days Listed: 143
$32,400,000
Key Biscayne
-10.00% ($3,600,000) 1 Price Change : Last Change 6 Days Ago
Cape Florida Subdivision Sec  
8 Bed, 8 Baths , 9,159 SqFt - Active
241 Cape Florida Dr, Key Biscayne, FL 33149
Single Family - Waterfront Yes Days Listed: 279
$26,000,000
Key Biscayne
Cape Florida Subdivision Sec  
6 Bed, 6 Baths , 8,031 SqFt - Active
180 Cape Florida Dr, Key Biscayne, FL 33149
Single Family - Waterfront Yes Days Listed: 12
$25,900,000
Key Biscayne
Tropical Isle Homes Subdivisi  
4 Bed, 4 Baths , 2,566 SqFt - Active
200 Harbor Dr, Key Biscayne, FL 33149
Single Family - Waterfront Yes Days Listed: 222
$24,500,000
Key Biscayne
-23.20% ($7,400,000) 2 Price Changes : Last Change 14 Days Ago
Tropical Isle Homes Subdivisi  
7 Bed, 7 Baths , 6,240 SqFt - Active
230 Harbor Drive, Key Biscayne, FL 33149
Single Family - Waterfront Yes Days Listed: 192
$22,800,000
Key Biscayne
Cape Fla Subdivision Sec 2  
6 Bed, 8 Baths , 7,192 SqFt - Active
960 Mariner Dr, Key Biscayne, FL 33149
Single Family - Waterfront Yes Days Listed: 42
$18,900,000
Key Biscayne
-5.50% ($1,100,000) 1 Price Change : Last Change 43 Days Ago
Mashta Island A Replat Of  
5 Bed, 4 Baths , 3,085 SqFt - Active
520 S Mashta Dr, Key Biscayne, FL 33149
Single Family - Waterfront Yes Days Listed: 146
$16,999,000
Key Biscayne
-22.56% ($4,951,000) 2 Price Changes : Last Change 156 Days Ago
Mashta Island  
7 Bed, 8 Baths , 5,043 SqFt - Pending
660 S Mashta Dr, Key Biscayne, FL 33149
Single Family - Waterfront Yes Days Listed: 412
$15,990,000
Key Biscayne
-8.58% ($1,500,000) 2 Price Changes : Last Change 67 Days Ago
Cape Florida Subdivision Sec  
4 Bed, 4 Baths , 6,661 SqFt - Active
161 Cape Florida Dr, Key Biscayne, FL 33149
Single Family - Waterfront Yes Days Listed: 256
$12,950,000
Key Biscayne
-10.54% ($1,525,000) 2 Price Changes : Last Change 25 Days Ago
Cape Fla Subdivision Sec 2  
6 Bed, 6 Baths , 5,191 SqFt - Active Under Contract
945 Mariner Drive, Key Biscayne, FL 33149
Single Family - Waterfront Yes Days Listed: 136
$12,900,000
Key Biscayne
Holiday Colony  
6 Bed, 6 Baths , 5,960 SqFt - Active
365 Gulf Rd, Key Biscayne, FL 33149
Single Family - Waterfront No Days Listed: 230
$11,300,000
Key Biscayne
Biscayne Key Estates  
6 Bed, 6 Baths , 5,216 SqFt - Active
610 Harbor Cir, Key Biscayne, FL 33149
Single Family - Waterfront No Days Listed: 5
$11,000,000
Key Biscayne
Cape Florida Subdivision Sec  
6 Bed, 6 Baths , 5,826 SqFt - Active
31 Island Dr, Key Biscayne, FL 33149
Single Family - Waterfront No Days Listed: 18
$9,500,000
Key Biscayne
Cape Florida Subdivision Sec  
5 Bed, 4 Baths , 3,405 SqFt - Active
861 Harbor Dr, Key Biscayne, FL 33149
Single Family - Waterfront Yes Days Listed: 374
Listing information © 2025 MLS Real Estate Board. The information provided herein must only be used by consumers that have a bona fide interest in the purchase, sale, or lease of real estate and may not be used for any commercial purpose or any other purpose. Information is deemed reliable but is not guaranteed accurate by the MLS or the Brokerage. Data last updated on 03-23-2025. IDX powered by Realty Net Media
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Tracy Kerdyk Realtor
Kerdyk Real Estate
(305) 794-2538
2631 Ponce de Leon Blvd , Coral Gables , FL 33134
tracykerdyk@gmail.com
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