Home in 640 S Mashta Dr Key Biscayne for sale with MLS# A11990382
Welcome to your own slice of paradise! Enjoy breathtaking sunsets from your private dock on this waterfront property boasting 100 feet of direct Biscayne Bay frontage. Ideally located on Mashta Island. Set on a 15,000 SF lot, the home features 5 beds, 5 baths, including 2 bayfront primary suites with stunning views, impact windows and doors throughout. The open-concept layout flows seamlessly from the living and dining areas to the modern kitchen and out to the pool and entertainment patio, with floor-to-ceiling glass doors that open to blend indoor and outdoor living. Tranquil guest suite upstairs offering privacy and views. It also features an oversized 2-car garage, covered parking, and a spacious driveway for guests. Perfect to move in, renovate, or build your dream waterfront estate
640 S Mashta Dr, Key Biscayne, FL 33149
- Price:
- $16,800,000.00
- Original List Price:
- $16,800,000.00
- Listing Type:
- For Sale
- Status:
- Active
- Special Sale Conditions:
- Listed As Is
- Listing Category:
- Residential
- Property Type:
- Single Family House
- MLS Number:
- A11990382
- Description of Last Important Update:
- New Listing
- Last Major Update on:
- April 2, 2026 6:08 pm
- Bedrooms:
- 4
- Bathrooms Total:
- 4
- Full Bath:
- 4
- Room Type:
- Converted Garage
- Living Area:
- 3,620 Sqft
- Built-Up Area:
- 4,990 Sqft
- Lot Area:
- 15,000 Sqft
- Lot Size Unit:
- Square Feet
- Lot Features:
- Less Than Quarter Acre
- View from the Property:
- Garden, Bay
- Waterfront:
- Yes
- Waterfront Features:
- Ocean Front
- Frontage Length:
- 100
- Swimming Pool Features:
- Pool, In Ground
- Appliances:
- Dishwasher
- Interior:
- First Floor Entry, Breakfast Area, Dining Area, Pantry, Split Bedrooms, Walk-In Closet(s), Bedroom On Main Level, Vaulted Ceiling(s), Entrance Foyer, Living Dining Room, Dual Sinks
- Exterior:
- Other
- Air Conditioning
- Air Conditioning System:
- Central Air
- Heating System:
- Other
- Property Entrance Faces:
- East
- Water Access Description:
- Dock Available
- Year Built:
- 1968
- Year Built Details:
- Resale
- Roof:
- Barrel
- Architectural Style:
- Other
- Construction Materials:
- Block
- Flooring:
- Other
- Road Frontage Type:
- City Street
- Tax Annual Amount:
- $155,651.00
- Tax Year:
- 2025
- Property Tax Status:
- Tax Reflects No Exemptions
- Garage
- Garage Spaces:
- 2
- Covered Spaces:
- 2
- Attached Garage
- Parking Features:
- Driveway, Garage, Garage Door Opener, Attached, Guest
- Sewer:
- Public Sewer
- Utilities Available:
- Cable Available
- Water Source:
- Public
- Pets Allowed?:
- Yes, Dogs Ok
- Subdivision Name:
- MASHTA ISLAND
- Senior Community:
- No
- Restrictions:
- Okay to Lease
- Listing Terms Considered by Seller:
- Cash, Conventional
- Occupant Type:
- Call Agent
- Buyer Possession:
- Close Of Escrow
- Tax Legal Description:
- MASHTA ISLAND PB 60-93 LOT 9 BLK 3 LOT SIZE 100.000 X 150 OR 18642-3922 0599 1
- Real Estate Folio Number (Parcel Number):
- 24-52-05-008-0320
- Zoning Description:
- 2001
- Elementary School:
- Interlachen Elementary School
- High School:
- Coral Gables
- Middle Or Junior School:
- Ponce De Leon
- Originally published on:
- April 2, 2026 6:08 pm
- Active on the market since:
- April 2, 2026
- Price change occurred on:
- March 26, 2026 11:17 pm
- Listing Status Last Changed On:
- April 2, 2026 6:08 pm
- Photos updated on:
- April 5, 2026 9:10 pm
- Last Modified:
- April 5, 2026 9:10 pm
- Housing Older Persons Act:
- No HOPA
- Flood Zone:
- AE
- Type of Association:
- None
- Rooms Description:
- Garage Converted
- Style:
- WF/Pool/Ocean Access
- Municipal Code:
- 24
- Subdivision Number:
- 8
- Courtesy of:
- DLS International Realty
- Attribution:
- Not provided
- Street Name:
- Mashta Dr
- Street Number:
- 640
- City:
- Key Biscayne
- State:
- Florida
- Zip Code:
- 33149
- County:
- Miami-Dade
- Latitude:
- N25° 41' 5.1''
- Longitude:
- W81° 49' 31.4''
- 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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