640 S Mashta Drive, Key Biscayne, FL 33149
- $16,800,000
- 4
- BD
- 4
- BA
- 3,620
- SqFt
- List Price
- $16,800,000
- Status
- ACTIVE
- Days on Market
- 119
- MLS#
- A11990382
- Subtype
- Residential
- Style
- Other
- Year Built
- 1968
- Bedrooms
- 4
- Bathrooms
- 4
- Full Baths
- 4
- Living Area
- 3,620
- Acres
- 0.34
- Subdivision
- Mashta Island
- MLS Area Major
- 2520
Property Description
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
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Additional Information
- Amenities
- Boat Dock
- Interior Features
- Breakfast Area, Bathtub, Dining Area, Dual Sinks, Entrance Foyer, Living/Dining Room, Main Level Primary, Multiple En Suite Bathrooms, Pantry, Split Bedrooms, Soaking Tub, Separate Shower, Vaulted Ceiling(s), Walk-In Closet(s)
- Exterior Features
- Other
- Taxes
- $155,651
- Property Description
- Other
- Flooring
- Other
- Appliances
- Dishwasher
- Heating
- Other
- Air Conditioning
- Central Air
- Exterior Construction
- Block
- Roof
- Barrel
- Pool
- Yes
- Parking Features
- Attached, Driveway, Garage, Garage Door Opener, Guest
- Garage Spaces
- 2
- Elementary School
- Key Biscayne K-8
- Middle School
- Ponce De Leon
- High School
- Coral Gables
- View
- Bay, Garden
Mortgage Calculator
Listing courtesy of DLS International Realty. Contact:
All listings featuring the BMLS logo are provided by Beaches MLS Inc. Copyright 2026 Beaches MLS. This information is not verified for authenticity or accuracy and is not guaranteed. © 2026 Beaches Multiple Listing Service, Inc. All rights reserved.
Agent: Brigitte De Langeron | Email: brigitte@miamiwaterfront.com