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640 Mashta Dr, Key Biscayne, FL 33149
Offering:
For Sale
Location:
Key Biscayne, FL 33149
Subdivision:
MASHTA ISLAND
Status:
Active
$16,800,000
Details
Year built:
1968
Lot size:
15,000 sq ft
Garage:
2
Parking:
2 covered
Style:
Other
Faces:
East
Days on market:
3
Cumulative days on market:
165
Annual tax (2025):
$155,651
Type:
Single-family home
MLS ID
A11990382
Virtual tour:
Listed by:
DLS International Realty (DLSI01)
Listing office phone:
Listing office email:
Listing agent:
Brigitte De Langeron (0545936)
Features
Schools
Elementary:
Keybiscayne
Middle / junior:
Ponce De Leon
High:
Coral Gables
School assignments come from the MLS feed and can change. Verify with the district before relying on them.
Pets
Allowed:
yes
Dog Ok
Utilities
Available:
Cable Available
Water source:
Public
Sewer:
Public Sewer
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
Price history
$16,800,000 → $16,800,000
· 1 price changes
Location
640 S Mashta DrKey Biscayne, FL 33149
MLS information
Last updated Apr 5, 2026
Deemed reliable but not guaranteed.
IDX information is provided exclusively for personal, non-commercial use, and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information is deemed reliable but not guaranteed.
