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640 S Mashta Dr, Key Biscayne FL 33149 — #A11990382
640 S Mashta Dr, Key Biscayne FL 33149 — #A11990382
  • $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

This listing is courtesy of DLS International Realty

Copyright Southeast Florida MLS a/k/a SEFMLS © 2026. Accuracy of listing information is not guaranteed. Listing information is provided for personal consumer, non-commercial use, solely to identify potential properties for potential purchase. All other use is strictly prohibited and may be a violation of federal and state law.

Data is deemed reliable but not guaranteed accurate by Miami REALTORS®

Overview

  • Single Family
    Type
  • 4
    Bedrooms
  • 4
    Bathrooms
  • 2
    Garages
  • 3620 sqft
    Area Size
  • 1968
    Year Built
  • A11990382
    Property ID

Details

Updated on June 5, 2026 at 7:51 pm
  • Property ID A11990382
  • Price $16,800,000
  • Property Size 3620 sqft
  • Bedrooms 4
  • Bathrooms 4
  • Garages 2
  • Year Built 1968
  • Type Single Family
  • Property Status For Sale
  • Address: 640 S Mashta Dr
  • City: Key Biscayne
  • State/county: Florida
  • Zip/Postal Code: 33149
  • Area: MASHTA ISLAND
  • Country: United States

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640 S Mashta Dr, Key Biscayne FL 33149 — #A11990382

, Florida

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