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$16,800,000
198.4427 BTCView more
A11990382
  • 4 Beds
  • 4 Baths
  • 3,620 ft2 (336m2)
Lot Size: 15,000 ft2 (336 m2)
Listed on: Apr 2, 2026
Days on Market: 184

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

Property Details

A11990382, Home in Key Biscayne for Sale

  • Listed on:Apr 2, 2026
  • Days on Market:184
  • Taxes:$155,651 per year
  • Year built:
  • Occupancy:n\a
  • Tax Year:2025

Parking

  • Garage Spaces

    2

  • Open Parking

    Yes

  • Covered Spaces

    2

  • Parking Features

    Driveway, Guest

  • Attached Garage

    Yes

Interior

  • Flooring

    Other

  • Appliances

    Dishwasher

  • Cooling

    Central Air

  • Heating

    Other

  • Interior Features

    First Floor Entry, Entrance Foyer, Pantry, Split Bedroom, Vaulted Ceiling(s), Walk-In Closet(s), Garage Converted

Exterior

  • View

    Bay, Garden

  • Architectural Style

    Attached, Other

  • Construction Materials

    Concrete Block Construction

  • Exterior Features

    Other

  • Patio And Porch Features

    n\a

  • Direction Faces

    East

  • Waterfront Features

    Ocean Access, Ocean Front

  • Pool Features

    In Ground

  • Roof

    Barrel Roof

Community

  • Subdivision Name

    MASHTA ISLAND

  • Typeof Association

    n\a

  • Community Features

    Public Road

LOT

  • Lot Features

    Less Than 1/4 Acre Lot

  • Lot Size Square Feet

    15,000

  • Lot Size Units

    Square Feet

  • Other Structures

    n\a

A11990382, Home for Sale in Key Biscayne
Selling Price: $16,800,000
Prices in major cryptocurrencies today, 10,03,2026:
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BTC 198.44 0.86 0.32 84,659.18
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$12,340 per month
30 year, 6,5% Interest
  • Principan and interest

    $9,560

  • Property Taxes

    $12,971

  • Homeowners insurance

    n/a

  • HOA Dues

    n/a

Annual Interest Rate:
Percentage Down:
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Key Biscayne. Homes similar to A11990382 are listed betveen 13M to 20M at an averenge of $4641 per square foot.
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Key Biscayne

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640 S Mashta Dr Key Biscayne, FL, 33149?

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