669 S Mashta Drive, Key Biscayne, FL 33149

Key Biscayne, FL 33149

MASHTA ISLAND

Bedrooms

Bathrooms

3,382

Living Sq Ft

1960

Year Built

Listing Snapshot

Price: $5,799,000
Days on Site: 6 Days
Bedrooms: 4
Total Baths: 4
Full Baths: 3
Partial Baths: 1
Living Area: 3,382 sqft
Total Sq Ft: 3,382 sqft
Lot Size: 0.23 Acres
Year Built: 1960
Property Type: Single Family
MLS #: A12033340
Property Tax: $22,013 (2025)
Subdivision: MASHTA ISLAND
County: Miami Dade
Status: Active

About This Property

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.

Virtual Tour

General Features

Property Type: Single Family
Status: Active
Year Built: 1960
Number of Stories: 2
Levels: Two
Garage Spaces: 0
Parking: Driveway
Direction Faces: West
Lot Size (Acres): 0.23
Living Sq Ft: 3,382
Total Sq Ft: 3,382
Sewer: Public Sewer
Water Source: Public
Zoning: 2001

Interior Features

Appliances: Dryer / Dishwasher / Disposal / Gas Range / Oven / Refrigerator / Washer
Cooling: Central Air
Heating: Heat Strip
Flooring: Vinyl
Interior Features: Breakfast Area / Bathtub / Dining Area / Separate Formal Dining Room / Dual Sinks / Garden Tub Roman Tub / High Ceilings / Main Level Primary / Split Bedrooms / Soaking Tub / Separate Shower
Windows: Blinds
Total Rooms: 1

Exterior Features

Construction: Block
Roof: Tar Gravel
Exterior Features: Outdoor Living Area / Outdoor Shower
Private Pool: Yes
Pool Features: Above Ground
Patio & Porch: Patio
Lot Features: Sprinklers Automatic
View: Garden

Community & HOA

Security: Smoke Detectors
Pets Allowed: Yes
Financing Terms: Cash / Conventional
MLS Area: 2520

Schools

Elementary School: Key Biscayne K-8
Middle School: Ponce De Leon
High School: Coral Gables

Listing courtesy of Coldwell Banker Realty

Listing information is provided by BeachesMLS, Inc.and is deemed reliable but not guaranteed accurate by the MLS or Pure Equity Realty. Information is for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties. © 2026 BeachesMLS, Inc. Last updated June 23, 2026.

$5.8M

Interested in This Property?

Listed by Maureen Jauregui, Coldwell Banker Realty

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About This Property

Virtual Tour

Interior Features

Appliances

Dryer / Dishwasher / Disposal / Gas Range / Oven / Refrigerator / Washer

Cooling

Central Air

Heating

Heat Strip

Flooring

Vinyl

Interior Features

Breakfast Area / Bathtub / Dining Area / Separate Formal Dining Room / Dual Sinks / Garden Tub Roman Tub / High Ceilings / Main Level Primary / Split Bedrooms / Soaking Tub / Separate Shower

Windows

Blinds

Total Rooms