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
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 Ceilings, Walk In Closets
640 S Mashta is a waterfront home for sale in Key Biscayne, FL 33149. This property was listed for sale on Apr 02, 2026 by DLS International Realty for $16,800,000. Located in MASHTA ISLAND is a 4-bed, 4-bath, 3,620 ft² / 336 m² sqft home built in 1968.
