669 SOUTH MASHTA DR, Key Biscayne
$4,950,000 USD 3 3.5
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| Address | 669 SOUTH MASHTA DR, Key Biscayne |
| Building Name | MASHTA ISLAND |
| Type of Property | Single Family Residence |
| Property Style | Pool Only |
| Price | $4,950,000 |
| Sold on | 14th February, 2026 |
| Sold Price | $4,750,000 |
| Property Status | Closed |
| MLS Number | A11922444 |
| Bedrooms Number | 3 |
| Full Bathrooms Number | 3 |
| Half Bathrooms Number | 1 |
| Living Area | 3382 |
| Lot Size | 10000 |
| Year Built | 1960 |
| Folio Number | 24-52-05-008-0180 |
| Zoning Information | 2001 |
| Days on Market | 121 |
Detailed Description: A beautifully reimagined home on one of Key Biscayne’s most desirable streets, South Mashta Drive. With its bold charcoal façade and distinctive presence, this residence stands out immediately while maintaining a warm island charm that makes it feel welcoming from the moment you arrive. Surrounded by mature trees and lush greenery, the setting offers both atmosphere and privacy. Inside, vaulted ceilings and expansive windows fill the space with natural light, creating a soft and inviting ambiance. The great room features a stone fireplace, wide-plank wood floors, and a natural flow to the terrace and pool, bringing effortless connection between indoor comfort and outdoor enjoyment. Every space reflects a carefully curated, cozy feel that enhances the character of the home. The renovated master bathroom offers calming finishes and a serene atmosphere. A private suite provides the perfect accommodation for guests or extended family. Set on a generous 10,000 sq.ft lot and enhance
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Address Information
| State | Florida |
| City | Key Biscayne |
| County | Miami-Dade County |
| Zip Code | 33149 |
| Address | 669 SOUTH MASHTA DR |
| Section | 5 |
| Zip Code (4 Digits) | 1747 |
Financial Information
| Price | $4,950,000 |
| Price per Foot | $0 |
| Sold on | 14th February, 2026 |
| Sold Price | $4,750,000 |
| Folio Number | 24-52-05-008-0180 |
| Association Fee Paid | Monthly |
| Tax Amount | $22,036 |
| Tax Year | 2025 |
| Terms of Sale | Conventional |
| Type of Contingencies | No Contingencies |
Full Descriptions
| Detailed Description | A beautifully reimagined home on one of Key Biscayne’s most desirable streets, South Mashta Drive. With its bold charcoal façade and distinctive presence, this residence stands out immediately while maintaining a warm island charm that makes it feel welcoming from the moment you arrive. Surrounded by mature trees and lush greenery, the setting offers both atmosphere and privacy. Inside, vaulted ceilings and expansive windows fill the space with natural light, creating a soft and inviting ambiance. The great room features a stone fireplace, wide-plank wood floors, and a natural flow to the terrace and pool, bringing effortless connection between indoor comfort and outdoor enjoyment. Every space reflects a carefully curated, cozy feel that enhances the character of the home. The renovated master bathroom offers calming finishes and a serene atmosphere. A private suite provides the perfect accommodation for guests or extended family. Set on a generous 10,000 sq.ft lot and enhance |
| How to Reach | Take Crandon Blvd south and turn right onto Harbor Drive. Follow Harbor Drive all the way to the end, where it becomes South Mashta Drive. Continue straight; the home will be on the left-hand side. |
| Property View | Garden |
| Water Access | None |
| Design Description | Detached, Two Story |
| Roof Description | Other |
| Floor Description | Marble, Wood |
| Interior Features | First Floor Entry, Den / Library / Office |
| Exterior Features | Lighting, Outdoor Shower |
| Furnished Information | Unfurnished |
| Equipment Appliances | Bottled Gas, Dishwasher, Disposal, Dryer, Electric Water Heater, Microwave, Gas Range, Refrigerator, Washer |
| Pool Description | In Ground |
| Cooling Description | Central Air, Electric |
| Heating Description | Central |
| Water Description | Municipal Water |
| Sewer Description | Public Sewer |
| Parking Description | Driveway |
| Pet Restrictions | More Than 20 Lbs |
Property parameters
| Bedrooms Number | 3 |
| Full Baths Number | 3 |
| Half Baths Number | 1 |
| Living Area | 3382 |
| Lot Size | 10000 |
| Zoning Information | 2001 |
| Year Built | 1960 |
| Type of Property | Single Family Residence |
| Style | Pool Only |
| Building Name | MASHTA ISLAND |
| Development Name | MASHTA ISLAND |
| Construction Type | Concrete Block Construction |
| Street Direction | South |
| Listed with | One Sotheby’s International Realty |