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Key Biscayne/669 S Mashta Drive

$5,799,000
669 S Mashta Drive, Key Biscayne, FL 33149
Key Biscayne, FL 33149
4
Beds
4
Baths
3,382
Sq Ft
$1,715
/ Sq Ft

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.

The facts

Price
$5,799,000
Price / Sq Ft
$1,715
Bedrooms
4
Bathrooms
4
Interior
3,382 sq ft
Type
SingleFamilyResidence
Year Built
1960
Stories
2
Lot Size
0.23 acres
Pool
Yes
Flooring
Vinyl
Annual Tax
$22,013
Days on Market
55
MLS #
A12033340
BeachesMLS

Listing courtesy of Coldwell Banker Realty · carter.jauregui@gmail.com. All listings featuring the BMLS logo are provided by BeachesMLS, Inc. This information is not verified for authenticity or accuracy and is not guaranteed. Copyright ©2026 BeachesMLS, Inc.