510 SOUTH MASHTA DR, Key Biscayne
$19,000,000 USD 5 6.5
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| Address | 510 SOUTH MASHTA DR, Key Biscayne |
| Building Name | MASHTA ISLAND A REPLAT OF |
| Type of Property | Single Family Residence |
| Property Style | House |
| Price | $19,000,000 |
| Sold on | 8th July, 2025 |
| Sold Price | $18,921,250 |
| Property Status | Closed |
| MLS Number | A11782312 |
| Bedrooms Number | 5 |
| Full Bathrooms Number | 6 |
| Half Bathrooms Number | 1 |
| Living Area | 5226 |
| Lot Size | 18300 |
| Year Built | 1981 |
| Garage Spaces Number | 2 |
| Folio Number | 24-52-05-009-0190 |
| Zoning Information | 2001 |
| Days on Market | 141 |
Detailed Description: Waterfront. Located on Mashta Island and island within an island in Key Biscayne. The minute you walk into the house the most breathtaking Biscayne Bay views welcomes you. Breathtaking sunsets. Oversized Lot: 18,300-sq. Ft. 2 story home with excellent floor plan, Large living room area w / double height ceilings, family room adjacent to Kitchen area. Large dining area w / direct water views and access to pool area. 2nd floor: Master suite and 3 additional bedrooms en suite Master suite w / balcony and large walk in closet. 1st floor Guest suite. Water views from every room, dining and reception area. Gazebo by the water. Open kitchen. Staff area. Powder room. Oversized pool w / Cabana room and cabana bath. Double access (service access and main access) Lush garden offers total privacy. Enclosed two car garage.
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Address Information
| State | Florida |
| City | Key Biscayne |
| County | Miami-Dade County |
| Zip Code | 33149 |
| Address | 510 SOUTH MASHTA DR |
| Section | 5 |
| Zip Code (4 Digits) | 1733 |
Financial Information
| Price | $19,000,000 |
| Price per Foot | $0 |
| Sold on | 8th July, 2025 |
| Sold Price | $18,921,250 |
| Folio Number | 24-52-05-009-0190 |
| Tax Amount | $172,413 |
| Tax Year | 2024 |
| Terms of Sale | Conventional |
| Type of Contingencies | Other |
Full Descriptions
| Detailed Description | Waterfront. Located on Mashta Island and island within an island in Key Biscayne. The minute you walk into the house the most breathtaking Biscayne Bay views welcomes you. Breathtaking sunsets. Oversized Lot: 18,300-sq. Ft. 2 story home with excellent floor plan, Large living room area w / double height ceilings, family room adjacent to Kitchen area. Large dining area w / direct water views and access to pool area. 2nd floor: Master suite and 3 additional bedrooms en suite Master suite w / balcony and large walk in closet. 1st floor Guest suite. Water views from every room, dining and reception area. Gazebo by the water. Open kitchen. Staff area. Powder room. Oversized pool w / Cabana room and cabana bath. Double access (service access and main access) Lush garden offers total privacy. Enclosed two car garage. |
| Property View | Bay, Garden |
| Water Access | Dock Available, Private Dock |
| Waterfront Description | Ocean Access, Ocean Front |
| Design Description | Attached, Two Story |
| Roof Description | Barrel Roof |
| Floor Description | Marble, Wood |
| Interior Features | First Floor Entry, Built-in Features, Closet Cabinetry, Split Bedroom, Volume Ceilings, Den / Library / Offic |
| Furnished Information | Unfurnished |
| Equipment Appliances | Dishwasher, Refrigerator |
| Pool Description | In Ground |
| Cooling Description | Central Air, Electric |
| Heating Description | Central, Electric |
| Water Description | Municipal Water |
| Sewer Description | Public Sewer |
| Parking Description | Additional Spaces Available, Circular Driveway, Driveway |
| Pet Restrictions | Restrictions Or Possible Restrictions |
Property parameters
| Bedrooms Number | 5 |
| Full Baths Number | 6 |
| Half Baths Number | 1 |
| Living Area | 5226 |
| Lot Size | 18300 |
| Zoning Information | 2001 |
| Year Built | 1981 |
| Type of Property | Single Family Residence |
| Style | House |
| Building Name | MASHTA ISLAND A REPLAT OF |
| Development Name | MASHTA ISLAND A REPLAT OF |
| Construction Type | CBS Construction |
| Street Direction | South |
| Garage Spaces Number | 2 |
| Listed with | DLS International Realty |