669 S Mashta Dr Key Biscayne, FL 33149
Listing Courtesy of: MIAMI / Listed By: Maureen Jauregui, Coldwell Banker Realty

  669 S Mashta Dr Key Biscayne, FL 33149

Active (9 Days)
$5,799,000 (USD)
4
BED
4
BATH
3,382
SQFT
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Description

Located on the exclusive and highly sought-after Mashta Island, this exceptional property offers a rare opportunity to build your dream home or enjoy the existing beautifully refurbished residence. The home features new bathrooms, updated flooring, and tasteful modern finishes throughout. Designed for relaxed Florida living, the spacious covered terrace overlooks a stunning mosaic-tiled pool, creating the perfect setting for entertaining or enjoying the tropical surroundings. A unique opportunity in one of Key Biscayne's most desirable neighborhoods. Easy to show.

MLS #:
A12033340
Taxes
$22,013(2025)
Lot Size
10,000 SQFT
Type
Single-Family Home
Year Built
1960
Style
Two Story
Views
Garden
County
Miami-Dade County
Community
Mashta Island

Listed By

Maureen Jauregui, Coldwell Banker Realty
Source
MIAMI
Last checked Jun 14 2026 at 3:16 PM GMT+0000
Bathroom Details
  • Full Bathrooms: 3
  • Half Bathroom: 1
Interior Features
  • Dryer
  • Refrigerator
  • Washer
  • Dishwasher
  • Disposal
  • Windows: Blinds
  • Windows: Impact Glass
  • High Ceilings
  • Split Bedrooms
  • Garden Tub/Roman Tub
  • Dining Area
  • Breakfast Area
  • Built-In Oven
  • Self Cleaning Oven
  • Gas Range
  • Dual Sinks
  • Separate Shower
  • Separate/Formal Dining Room
Subdivision
  • Mashta Island
Lot Information
  • Sprinklers Automatic
Heating and Cooling
  • Heat Strip
  • Central Air
Pool Information
  • Above Ground
  • Pool
Flooring
  • Vinyl
Exterior Features
  • Roof: Tar/Gravel
Utility Information
  • Utilities: Water Source: Public
  • Sewer: Public Sewer
School Information
  • Elementary School: Keybiscayne
  • Middle School: Ponce De Leon
  • High School: Coral Gables
Parking
  • Driveway
Stories
  • 2
Living Area
  • 3,382 sqft
Location
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Disclaimer: Copyright 2026 Miami Association of Realtors. 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 6/14/26 08:16
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© 2026 Coldwell Banker Real Estate LLC

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.