640 S Mashta Dr, Key Biscayne, Florida 33149
640 S Mashta Dr, Key Biscayne, Florida 33149
640 S Mashta Dr, Key Biscayne, Florida 33149
640 S Mashta Dr, Key Biscayne, Florida 33149
640 S Mashta Dr, Key Biscayne, Florida 33149

Listed By DLS International Realty

The Single Family Home for Sale located at 640 S Mashta Dr, Key Biscayne, Florida 33149 is currently for sale. 640 S Mashta Dr, Key Biscayne, Florida 33149 is listed for $19,500,000. This property has 5 bedrooms, 5 bathrooms.

Date Updated : Oct 17, 2025

$19,500,000 USD

Single Family Home for Sale, 640 S Mashta Dr, Key Biscayne, Florida 33149

  • MLS#
    A11896953
  • Bedrooms
    5
  • Bathrooms
    5
  • Home/Lot size
    336 m² (3,620 ft²)
iGlobal Realty
iGlobal Realty

Property features

Property

  • Property size: 336 m² (3,620 ft²)
  • Features: Garage
  • Location: WaterfrontWater AccessSubdivision

Lot/Land

  • Land/Lot size: 1,394 m² (15,000 ft²)

Construction

  • Year built: 1968
  • Roofing: Flat Tile
  • Construction: Detached

Bedrooms

  • Bedrooms: 5

Bathrooms

  • Total bathrooms: 5
  • Full bathrooms: 5

Pool and Spa

  • Pool: Inground

Water and Boating

  • Water: Ocean Front
  • Boating: Private Dock

Recreational

  • Recreational: Swimming Pool

View

  • Features: Ocean ViewBay View

Heating and Cooling

  • Heating system: Central
  • Cooling system: Central AC

Utilities

  • Other utilities: Public Sewer

School information

  • High School: Coral Gables
  • Elementary School: Keybiscayne

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.

Location

640 S Mashta Dr, Key Biscayne, Florida 33149

640 S Mashta Dr, Key Biscayne, Florida 33149