669 S Mashta Dr Key Biscayne FL 33149 MLS #A11922444
A beautifully reimagined home on one of Key Biscayne’s most desirable streets, South Mashta Drive. With its bold charcoal façade and distinctive presence, this residence stands out immediately while maintaining a warm island charm that makes it feel welcoming from the moment you arrive. Surrounded by mature trees and lush greenery, the setting offers both atmosphere and privacy.

Inside, vaulted ceilings and expansive windows fill the space with natural light, creating a soft and inviting ambiance. The great room features a stone fireplace, wide-plank wood floors, and a natural flow to the terrace and pool, bringing effortless connection between indoor comfort and outdoor enjoyment. Every space reflects a carefully curated, cozy feel that enhances the character of the home.

The renovated master bathroom offers calming finishes and a serene atmosphere. A private suite provides the perfect accommodation for guests or extended family. Set on a generous 10,000 sq ft lot and enhanced with impact windows, updated lighting, a newer roof, and thoughtful design details, this residence blends timeless appeal, warmth, and the unique island charm that defines Key Biscayne living.

A rare opportunity to own a home that feels both distinctive and deeply inviting, in one of the most coveted locations on the island.

Property Details

Price:
$4,950,000
MLS #:
A11922444
Status:
Active
Beds:
3
Baths:
3.5
Address:
669 S Mashta Dr
Type:
Single Family
Subtype:
Single Family Residence
Subdivision:
MASHTA ISLAND
Neighborhood:
mashtaisland
City:
Key Biscayne
Listed Date:
Nov 30, 2025
State:
FL
Finished Sq Ft:
3,382
Total Sq Ft:
3,382
ZIP:
33149
Year Built:
1960

Schools

Elementary School:
Keybiscayne
Middle School:
Ponce De Leon
High School:
Coral Gables

Interior

Appliances
Bottled Gas, Dishwasher, Disposal, Dryer, Electric Water Heater, Microwave, Gas Range, Refrigerator, Washer
Bathrooms
3 Full Bathrooms, 1 Half Bathroom
Cooling
Central Air, Electric
Flooring
Marble, Wood
Heating
Central

Exterior

Architectural Style
Detached, Two Story
Community Features
Other
Construction Materials
Concrete Block Construction
Exterior Features
Lighting, Outdoor Shower
Parking Features
Driveway
Roof
Other

Financial

HOA Frequency
Monthly
Tax Year
2025
Taxes
$22,036

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