640 Mashta Dr, Key Biscayne, FL 33149

For Sale $16,800,000

Days Listed

170

Beds

4

Baths

4

Interior

3620 ft2 (336m2)

For Sale
38
640 Mashta Dr, Key Biscayne, FL 33149|4 BEDS | 4 BATHS |$16,800,000

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

| Floor Plans

  • Days On Market:
    170
    Listed:
    Apr 2, 2026
  • Size:
    3620 ft2 (336m2)
    Rooms:
    4
  • Bathrooms:
    4
    Baths Half:
    0
  • Terms:
    All Cash, Conventional
    Property Facing:
    East
  • Last Modification:
    1 month ago
     

Property Taxes and Assessment

  • Annual Tax
    $155,651
  • Tax Year
    2025
  • Maintenance Fee
    N/A
  • Association Fee
    N/A
  • Terms
    All Cash, Conventional

Property Features

Facts and features
Views
  • Bay
    Garden
    Ocean Access
    Ocean Front
  • Interior Features
  • First Floor Entry
    Entrance Foyer
    Pantry
    Split Bedroom
    Vaulted Ceiling(s)
    Walk-In Closet(s)
    Garage Converted
  • Appliances
  • Dishwasher
  • Parking
  • Driveway
    Guest
  • Other Facts
    Cooling
  • Central Air
  • Roof
  • Barrel Roof
  • Water Source
  • Municipal Water
  • Sewer
  • Public Sewer
  • Amenities
    Pool Features
  • In Ground
  • Community Features
  • Public Road
  • Architectural Style
  • Attached
  • Construction Materials
  • Concrete Block Construction
  • Structure Type
  • House
  • Schools
    Elementary School
  • Keybiscayne
  • Middle Or Junior School
  • Ponce De Leon
  • High School
  • Coral Gables
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    Sophia K. Albrecht

    Sophia K. Albrecht

    Lic. Real Estate Broker