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For Sale
Listed on April 2, 2026

640 S MASHTA DR

$16,800,000
4 Beds
4 Baths
3,620 sqft
2 Parkings
Lot size:
15,000 sqft
Annual Tax:
$155,651
Occupancy:
Contact Agent
Year Built:
1968
Property type:
House
#MLS:
A11990382

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
DLS International Realty

Features & Details

Learn about the features and details of 640 S MASHTA DR

Property Details

  • Property Type
    SingleFamilyResidence
  • Living Area
    3,620 sqft
  • Year Built
    1968
  • Lot Size
    15,000 sqft
  • Stories
    -
  • Annual Tax
    $155,651
  • List Date
    4/2/2026
  • Updated
    9/19/2026
  • Last Checked
    Recent
  • MLS Number
    #A11990382
  • Brokerage
    DLS International Realty
  • Postal Code
    33149
  • Area
    Miami-Dade
  • City
    Key Biscayne

Additional Property Features

  • Occupancy
    CallAgent
  • List Price
    $16,800,000
  • Unit Number
    -
  • Construction
    Block
  • Heating
    Other
  • Fireplaces
    -
  • Garage
    2 Car Garage
  • Parking Type
    No
  • Pets Allowed
    No
  • Air Conditioning
    Central Air
  • Elevator
    No
  • Locker
    No
  • Swimming Pool
    InGround,Pool
  • Patio
    No
  • Basement
    No
  • Den
    No
  • Central Vacuum
    No
  • Garage Type
    No

Additional Listing Information

  • Walk Score
    –
  • Property Manager
    -
  • Utilities Included
    None
  • Furnished
    No
  • Assessment Year
    2025
  • Assignment
    No
  • Extras Included
    Dishwasher
  • Virtual Tour
    View virtual tour

Inside

  • Bedrooms & Baths
    4 Bed, 4 Bath
  • Bedrooms
    4
  • Full Bathrooms
    4
  • Ensuite
    Yes
  • Bathrooms
    4
  • Flooring
    Mixed

Price history

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Explore Miami-Dade

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FAQs About 640 S MASHTA DR

640 S MASHTA DR, MLS® A11990382 has a size of 3620 sqft.

There are 4 bedrooms and 4 bathrooms in this House at 640 S MASHTA DR, MLS® A11990382.

Yes, there is parking available with 2 spot(s).

Annual taxes for this home are $155,651 based on 2025 tax year reports.
Miami Association of REALTORS®
Based on information from the Miami Association of REALTORS®. This information is for your personal, non-commercial use and may not be used for any purpose other than to identify prospective properties you may be interested in purchasing. Display of MLS data is usually deemed reliable but is NOT guaranteed accurate by the MLS. All properties are subject to prior sale or withdrawal. All information provided is deemed reliable but is not guaranteed accurate, and should be independently verified. Unless otherwise specified in writing, Broker/Agent has not and will not verify any information.
©2025 Miami Association of REALTORS® all rights reserved.
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640 S MASHTA DR
640 S MASHTA DR