631 N Mashta Drive Key Biscayne, FL 33149
Listing Courtesy of: BeachesMLS/FlexMLS / Coldwell Banker Realty / Javier Quiroz

  631 N Mashta Drive Key Biscayne, FL 33149

Active (343 Days)
$23,500,000 (USD)
4
BED
5
BATH
2,255
SQFT
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Description

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 #:
R11060323
Taxes
$99,103(2024)
Type
Single-Family Home
Year Built
1958
Views
Pool, Intercoastal
County
Miami-Dade County
Community
Mashta Island

Listed By

Javier Quiroz, Coldwell Banker Realty
Source
BeachesMLS/FlexMLS
Last checked Jan 14 2026 at 12:23 PM GMT+0000
Bathroom Details
  • Full Bathrooms: 4
  • Half Bathroom: 1
Subdivision
  • Mashta Island
Heating and Cooling
  • Central
  • Electric
  • Central Air
Pool Information
  • In Ground
  • Pool Equipment
Flooring
  • Concrete
Parking
  • Attached Carport
Stories
  • 1
Living Area
  • 2,255 sqft
Location
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Disclaimer: Copyright 2026 Beaches MLS. All rights reserved. This information is deemed reliable, but not guaranteed. The 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. Data last updated 1/14/26 04:23
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The property information herein is derived from various sources that may include, but not be limited to, county records and the Multiple Listing Service, and it may include approximations. Although the information is believed to be accurate, it is not warranted and you should not rely upon it without personal verification. Affiliated real estate agents are independent contractor sales associates, not employees. ©2025 Coldwell Banker. All Rights Reserved. Coldwell Banker and the Coldwell Banker logos are trademarks of Coldwell Banker Real Estate LLC. The Coldwell Banker® System is comprised of company owned offices which are owned by a subsidiary of Realogy Brokerage Group LLC and franchised offices which are independently owned and operated. The Coldwell Banker System fully supports the principles of the Fair Housing Act and the Equal Opportunity Act.