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631 N Mashta Drive, Key Biscayne, FL 33149

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For Sale

$23,500,000

4 beds • 4 baths • 1 half baths • 2,255 sqft

Estimated Payment

$      /mo. †

APR for 30 years

Change Loan Terms

  • Single Family Detached
    Property type

  • $10,421.29
    Price per square foot

  • Over 50 Years Old
    Age

Explore this Property

BRING ALL OFFERS - Waterfront Dream Home in the Making!Key Biscayne's Ultimate Boater's Paradise - Fully Renovated Luxury Residence Coming SoonThis is a rare and exceptional opportunity to own a like-new, fully renovated luxury home in one of Key Biscayne's most exclusive waterfront enclaves. Currently under an extensive renovation with expected completion in approximately 5 months, this residence is being reimagined with the highest standards of modern design, comfort, and functionality.A Complete Transformation - Inside and OutThis is not just a cosmetic update -- this is a down-to-the-studs, full-scale renovation that will result in a completely refreshed and reimagined home. Upon completion, this property will boast:
MLS# RX-11060323

Courtesy Of Coldwell Banker

(561) 395-2233

Property Features

  • Age
    Over 50 Years Old
  • Amenities
    Patio, Water Front
  • Architecture Style
    Other
  • Exterior Type
    Brick, Concrete
  • Floor Covering
    Concrete

Map and Directions

Directions to 631 N Mashta Drive, Key Biscayne, FL 33149

Home seller CENTURY 21 BE3

Get to know the neighborhood. A local affiliated CENTURY 21 office will help you set up tours, give advice, and negotiate with sellers.

CENTURY 21 BE3

(800) 541-9923
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Mortgage Calculator

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Monthly Payment Breakdown

  • Principle and Interest
    $0
  • Property Taxes
    $0
  • Hazard Insurance
    $0
  • Private Mortgage Insurance
    $0
  • HOA Dues
    $0
  • Total Monthly Payment:
    $0

Calculators provided for estimating purposes only. Consult with your lender to determine precise payment requirements.

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Copyright © 2025 BeachesMLS / Flexmls. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified. Information being provided is for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information being provided is for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.

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This information is provided for general informational purposes only and should not be relied on in making any home-buying decisions. School information does not guarantee enrollment. Contact a local real estate professional or the school district(s) for current information on schools. This information is not intended for use in determining a person's eligibility to attend a school or to use or benefit from other city, town or local services.

† Based on a 30-year fixed rate of 3.38% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Interest rates are also subject to credit and property approval based on secondary market guidelines. The rates shown are based on average rates for our best qualified customers. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.

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