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Key Biscayne Luxury Homes For Sale

60 Matching Listings
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$71,000,000
Key Biscayne
Tropical Isle Homes Subdivisi  
1 Bed, 1 Baths , 4,679 SqFt
280 Harbor Dr, Key Biscayne, FL 33149
Single Family - Waterfront Yes Days Listed: 95
$34,500,000
Key Biscayne
Tropical Isle Homes Subdivisi  
6 Bed, 7 Baths , 7,178 SqFt
330 Harbor Dr, Key Biscayne, FL 33149
Single Family - Waterfront Yes Days Listed: 193
$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
241 Cape Florida Dr, Key Biscayne, FL 33149
Single Family - Waterfront Yes Days Listed: 329
$26,000,000
Key Biscayne
Matheson Estates  
3 Bed, 4 Baths , 10,926 SqFt
5 Harbor Pt, Key Biscayne, FL 33149
Single Family - Waterfront Yes Days Listed: 41
$25,900,000
Key Biscayne
Tropical Isle Homes Subdivisi  
4 Bed, 4 Baths , 2,566 SqFt
200 Harbor Dr, Key Biscayne, FL 33149
Single Family - Waterfront Yes Days Listed: 272
$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
230 Harbor Drive, Key Biscayne, FL 33149
Single Family - Waterfront Yes Days Listed: 242
$24,500,000
Key Biscayne
-5.77% ($1,500,000) 1 Price Change : Last Change 6 Days Ago
Cape Florida Subdivision Sec  
6 Bed, 6 Baths , 8,031 SqFt
180 Cape Florida Dr, Key Biscayne, FL 33149
Single Family - Waterfront Yes Days Listed: 62
$22,900,000
Key Biscayne
Smugglers Cove  
5 Bed, 6 Baths , 5,940 SqFt
481 S Mashta Drive, Key Biscayne, FL 33149
Single Family - Waterfront Yes Days Listed: 35
$21,900,000
Key Biscayne
-3.95% ($900,000) 1 Price Change : Last Change 6 Days Ago
Cape Fla Subdivision Sec 2  
6 Bed, 8 Baths , 7,192 SqFt
960 Mariner Dr, Key Biscayne, FL 33149
Single Family - Waterfront Yes Days Listed: 92
$19,000,000
Key Biscayne
Mashta Island A Replat Of  
5 Bed, 6 Baths , 5,226 SqFt
510 S Mashta Dr, Key Biscayne, FL 33149
Single Family - Waterfront Yes Days Listed: 32
$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
520 S Mashta Dr, Key Biscayne, FL 33149
Single Family - Waterfront Yes Days Listed: 196
$15,990,000
Key Biscayne
-8.58% ($1,500,000) 2 Price Changes : Last Change 124 Days Ago
Cape Florida Subdivision Sec  
4 Bed, 4 Baths , 6,661 SqFt
161 Cape Florida Dr, Key Biscayne, FL 33149
Single Family - Waterfront Yes Days Listed: 306
$12,900,000
Key Biscayne
Holiday Colony  
6 Bed, 6 Baths , 5,960 SqFt
365 Gulf Rd, Key Biscayne, FL 33149
Single Family - Waterfront No Days Listed: 280
$11,300,000
Key Biscayne
Biscayne Key Estates  
6 Bed, 6 Baths , 5,216 SqFt
610 Harbor Cir, Key Biscayne, FL 33149
Single Family - Waterfront No Days Listed: 55
$11,000,000
Key Biscayne
Cape Florida Subdivision Sec  
6 Bed, 6 Baths , 5,826 SqFt
31 Island Dr, Key Biscayne, FL 33149
Single Family - Waterfront No Days Listed: 31
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 05-12-2025. IDX powered by Realty Net Media

Streamline Properties, Inc.
Real Estate Brokerage / Property Management
305.532.7368 Main 305.538.0917 Fax
1125 Washington Avenue , Miami Beach , FL 33139
info@stream-line.com
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