Mashta Island Properties for Sale in Key Biscayne, FL
4 Matching Listings
Order By: 
$3,900,000
Key Biscayne
-21.92% ($1,095,000) 3 Price Changes : Last Change 65 Days Ago
Mashta Island
3 Bed, 3 Baths , 3,382 SqFt - Active Under Contract
3 Bed, 3 Baths , 3,382 SqFt - Active Under Contract
$5,495,000
Key Biscayne
$18,900,000
Key Biscayne
-5.50% ($1,100,000) 1 Price Change : Last Change 43 Days Ago
$19,000,000
Key Biscayne
Most Recent Sales - (11) - MASHTA ISLAND as of 2025-05-19
| Sale Date | Address | Sale Price | $/SF | List Price | Sq. Ft. | Type | Bd/Ba | Days Listed |
| 03-28-2025 | 660 S Mashta Dr | $13,800,000 | $2,736 | $16,999,000 | 5,043 | Single Family Residence | 7/8 | 417 |
| 10-16-2024 | 640 S Mashta Dr | $12,375,000 | $3,418 | $13,250,000 | 3,620 | Single Family Residence | 5/5 | 114 |
| 06-20-2024 | 600 N Mashta Dr | $4,250,000 | $1,759 | $4,250,000 | 2,416 | Single Family Residence | 4/3 | 50 |
| 02-26-2024 | 520 S MASHTA DR | $16,500,000 | $5,348 | $17,200,000 | 3,085 | Single Family Residence | 4/4 | 69 |
| 02-20-2024 | 730 N Mashta Dr | $7,300,000 | $1,727 | $7,795,000 | 4,225 | Single Family Residence | 6/6 | 124 |
| 12-01-2022 | 601 S Mashta Dr | $4,225,000 | $1,092 | $4,625,000 | 3,868 | Single Family Residence | 5/5 | 92 |
| 10-13-2022 | 740 N Mashta Dr | $6,632,500 | $1,280 | $6,950,000 | 5,179 | Single Family Residence | 6/5 | 186 |
| 09-28-2022 | 531 S Mashta Dr | $7,000,000 | $1,587 | $7,490,000 | 4,410 | Single Family Residence | 4/4 | 115 |
| 08-12-2022 | 721 S Mashta Dr | $3,700,000 | $1,505 | $3,900,000 | 2,457 | Single Family Residence | 4/3 | 171 |
| 05-20-2022 | 730 N Mashta Dr | $7,200,000 | $1,704 | $6,500,000 | 4,225 | Single Family Residence | 6/6 | 38 |
| 05-20-2022 | 501 N Mashta Dr | $11,000,000 | $1,827 | $11,500,000 | 6,020 | Single Family Residence | 6/5 | 306 |
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 05-19-2025. IDX powered by Realty Net Media
