No photos available
Offered at
$16,800,000
640 S Mashta Drive, Key Biscayne, FL 33149
- 4
- Beds
- 4
- Full Baths
- 3,620
- Sq.Ft.
Listing courtesy of Brigitte De Langeron, DLS International Realty
Property 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
Overview
At a glance
- Property Type
- Residential
- Property Sub-Type
- Single Family Residence
- Address
- 640 S Mashta Drive, Key Biscayne, FL 33149
- Zoning
- 2001
- MLS ID
- A11990382
- Listing Date
- 2026-04-02
- Last Updated
- 5/31/2026, 4:10:45 PM
- Days on Market
- 70
- Subdivision
- MASHTA ISLAND
Features & Amenities
The Details
Interior
- Bedrooms
- 4
- Full Bathrooms
- 4
- Half Bathrooms
- 0
- Flooring
- Other
- Appliances
- Dishwasher
- Interior Features
- Entrance Foyer, Pantry, Vaulted Ceiling(s), Walk-In Closet(s), Bedroom Layout - Split
Exterior
- Construction
- Block
- Exterior Features
- Other
- Pool
- In Ground
- Parking
- Driveway, Garage Door Opener, Guest, Garage, Attached Garage, Attached
- Garage Spaces
- 2
- Water Source
- Public
- Sewer
- Public Sewer
- Utilities
- Cable Available
- Cooling
- Central Air
- Heating
- Other
Details
- Building Area
- 4,990 sq.ft.
- Lot Size
- 15,000 sq.ft.
- Lot Size (Acres)
- 0.34 acres
- Subdivision
- MASHTA ISLAND
- Architectural Style
- Other
- Year Built
- 1968
- View
- Garden, Bay
- Waterfront
- Ocean Front
- Direction Faces
- East
- County
- Miami-Dade
- Zoning
- 2001
Financial
- List Price
- $16,800,000
- Original List Price
- $16,800,000
- Annual Tax
- $155,651/yr
- Tax Year
- 2025
Location
Inquire
Request a Private Showing
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Learn More →Information & Accuracy
All information provided on this page is deemed reliable but is not guaranteed. Square footage, lot size, room dimensions, year built, taxes, and HOA figures are sourced from the MLS, the seller, or public records, and Aquantis Realty makes no representation or warranty as to their accuracy. All measurements and material facts should be independently verified by the buyer.