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4-Bedroom Residence in Key Biscayne

669 S Mashta Dr, Key Biscayne FL 33149, Key Biscayne, FL 33149

$5,799,000

Listing photo 1

Key Facts

Beds
4
Baths
4
Sq Ft
3,382
Lot
10,000 sq ft
Year Built
1960

About This Home

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.

Features & Amenities

  • Built 1960
  • Roman Tub
  • Split Bedroom
  • Volume Ceilings
  • Florida Room
  • Outdoor Shower
  • Above Ground
  • Garden

Location

669 S Mashta Dr, Key Biscayne FL 33149, Key Biscayne, FL

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MLS # A12033340 · Listing courtesy of Coldwell Banker Realty

Data last updated June 11, 2026

Listing information is provided in part by the IDX program of the MIAMI Association of REALTORS®. Information 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.