640 S Mashta Dr, Key Biscayne FL 33149

Key Biscayne, FL, 33149

$16,800,000

Property facts

Status
Active
Price
$16,800,000
Bedrooms
4
Bathrooms
4
Living area
3,620 sqft
Lot size
15,000 sqft
Year built
1968
Type
Single Family Residence
Garage spaces
2
Furnished
null
Days on market
65
On market
April 2, 2026
MLS #
A11990382

About this single family residence

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

Explore the full Key Biscayne market intelligence report — pricing trends, inventory & sales pace.

Listing courtesy of Brigitte De Langeron, DLS International Realty, 305-459-3875. Listing information courtesy of the MIAMI Association of REALTORS® IDX feed. The data relating to real estate for sale on this web site comes in part from the participating Associations/MLS's IDX Program. This information is being provided for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data is deemed reliable but is not guaranteed accurate by the MLS.