Home in 669 S Mashta Dr Key Biscayne with MLS# A11922444
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 enhanced with impact windows, updated lighting, a newer roof, and thoughtful design details, this residence blends timeless appeal, warmth, and the unique island charm that defines Key Biscayne living. A rare opportunity to own a home that feels both distinctive and deeply inviting, in one of the most coveted locations on the island.
669 S Mashta Dr, Key Biscayne, FL 33149
- Price:
- $4,950,000.00
- Original List Price:
- $4,950,000.00
- Close Price:
- $4,750,000.00
- Transaction closed on:
- February 4, 2026
- Listing Type:
- Sold
- Status:
- Closed
- Contingency:
- No Contingencies
- Special Sale Conditions:
- Listed As Is
- Listing Category:
- Residential
- Property Type:
- Single Family House
- MLS Number:
- A11922444
- Description of Last Important Update:
- Closed
- Last Major Update on:
- February 14, 2026 6:42 pm
- Bedrooms:
- 3
- Bathrooms Total:
- 4
- Full Bath:
- 3
- Half Bath:
- 1
- Room Type:
- Den
- Living Area:
- 3,382 Sqft
- Built-Up Area:
- 3,382 Sqft
- Lot Area:
- 10,000 Sqft
- Lot Size Unit:
- Square Feet
- Lot Features:
- Quarter To Half Acre Lot
- View from the Property:
- Garden
- Waterfront:
- No
- Swimming Pool Features:
- Pool, In Ground
- Furnished:
- Unfurnished
- Appliances:
- Dryer, Dishwasher, Disposal, Microwave, Refrigerator, Washer, Gas Range, Electric Water Heater
- Interior:
- First Floor Entry, Dining Area, Separate Formal Dining Room, Upper Level Primary, Separate Shower
- Exterior:
- Patio, Lighting, Outdoor Shower, Storm Security Shutters, Security High Impact Doors
- Patio and Porch:
- Patio
- Air Conditioning
- Air Conditioning System:
- Central Air, Electric
- Heating
- Heating System:
- Central
- Property Entrance Faces:
- West
- Water Access Description:
- None
- Year Built:
- 1960
- Year Built Details:
- Resale
- Roof:
- Other
- Architectural Style:
- Two Story, Detached
- Levels:
- Two
- Construction Materials:
- Block
- Flooring:
- Wood, Marble, Hardwood
- Stories:
- 2
- Possible Use:
- Investment
- Tax Annual Amount:
- $22,036.00
- Tax Year:
- 2025
- Association Fee Frequency:
- Monthly
- Property Tax Status:
- Tax Reflects No Exemptions
- Garage Spaces:
- 0
- Covered Spaces:
- 0
- Parking Features:
- Driveway
- Sewer:
- Public Sewer
- Utilities Available:
- Cable Available
- Water Source:
- Public
- Pets Allowed?:
- Size Limit (There are size restrictions on allowed pets), Yes
- Subdivision Name:
- MASHTA ISLAND
- Community Features:
- Other
- Senior Community:
- No
- Restrictions:
- Okay to Lease
- Listing Terms Considered by Seller:
- Cash, Conventional
- Occupant Type:
- Vacant
- Buyer Possession:
- Close Of Escrow, Closing And Funding
- Lease Considered:
- No
- Tax Legal Description:
- 5-6 55 42 MASHTA ISLAND PB 60-93 LOT 11 BLK 2 LOT SIZE 100.000 X 100 OR 19565-4268 03/2001 1
- Real Estate Folio Number (Parcel Number):
- 24-52-05-008-0180
- Zoning Description:
- 2001
- Title to the property is held by owner as:
- Limited Partnership
- Elementary School:
- Dr Rolando Espinosa
- High School:
- Coral Gables
- Middle Or Junior School:
- Ponce De Leon
- Originally published on:
- November 30, 2025 7:45 pm
- Active on the market since:
- November 30, 2025
- Price change occurred on:
- November 30, 2025 3:01 pm
- Listing Status Last Changed On:
- February 14, 2026 6:42 pm
- Photos updated on:
- December 1, 2025 1:03 am
- Last Modified:
- February 14, 2026 11:43 pm
- Housing Older Persons Act:
- Unverified
- Flood Zone:
- AE
- Type of Association:
- Other
- Rooms Description:
- Den/Library/Office
- Style:
- Pool Only
- Num Ceiling Fans:
- 2
- Municipal Code:
- 24
- Subdivision Number:
- 8
- Buy State:
- Florida
- Buyer Countryof Residence:
- USA
- Courtesy of:
- One Sotheby's International Realty
- Attribution:
- Not provided
- Street Name:
- Mashta Dr
- Street Number:
- 669
- City:
- Key Biscayne
- State:
- Florida
- Zip Code:
- 33149
- County:
- Miami-Dade
- Latitude:
- N25° 41' 8.4''
- Longitude:
- W81° 49' 30.1''
- Street Direction Prefix:
- S
Neighborhood Stats
Source: U.S. Census Bureau, ACS 5-Year Estimates
Air Quality
Source: AirNow.gov · Miami
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