This home has sold.
Photo courtesy of Beaches MLS
House · Key Biscayne
669 S Mashta Drive, Key Biscayne, FL
About this home
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.
- Area
- Key Biscayne
- MLS #
- A11922444
- Listing agent
- Miriam Poggio
- Sold for
- $4,750,000
- Sold on
- February 4, 2026
- Living area (m²)
- 314 m²
- Price per m²
- $15,113
- Property tax (per year)
- $22,036 (2025)
- Year built
- 1960
- Floors in the building
- 2
- Pets
- Allowed
- Furnished
- Unfurnished
- Private pool
- Yes
- Flooring
- Marble, Wood
- View
- Garden
- Listed
- December 1, 2025
Interior features
- Bathtub
- Dining Area
- Separate Formal Dining Room
- Soaking Tub
- Separate Shower
- Upper Level Primary
Exterior features
- Lighting
- Outdoor Living Area
- Outdoor Shower
Parking features
- Driveway
Appliances
- Dryer
- Dishwasher
- Electric Water Heater
- Disposal
- Gas Range
- Microwave
- Refrigerator
- Washer
Price and status history
- Listed for $4,950,000
- Under contract
- Sold for $4,750,000
From the MLS listing date, original price, latest price change and status dates. The feed does not list every change in between.
Location
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3 listings
Listing information is deemed reliable but is not guaranteed and is provided exclusively for consumers' personal, non-commercial use. Data is supplied by the MLS and may be subject to change or withdrawal without notice.
Last updated August 20, 2026, 5:43 am