669 S Mashta Drive, Key Biscayne, FL

$4,750,000

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3

Beds

4

Baths

3,382

Square feet

0.230

Acres

About 669 S Mashta Drive

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.

Features of 669 S Mashta Drive

MLS® # A11922444
USD $4,750,000
CAD $6,557,470
CNY 元31,860,625
EUR €4,081,518
GBP £3,503,842
RUB ₽399,721,050
Last Listing Price $4,950,000
Bedrooms 3
Bathrooms 4.00
Full Baths 3
Half Baths 1
Acres 0.23
Year Built 1960
Type Residential
Sub-Type Single Family Residence
Status Closed
HOPA Yes
Membership Equity No

Community Information

Address 669 S Mashta Drive
Area 2520
Subdivision MASHTA ISLAND
City Key Biscayne
County Miami-Dade
State FL
Zip Code 33149

Amenities

Amenities Other
Utilities Cable Available
Parking Driveway
View Garden
Is Waterfront No
Waterfront None
Has Pool Yes
Pool In Ground
Pets Allowed Yes, Size Limit
Subdivision Amenities Other

Interior

Appliances Electric Water Heater, Dryer, Disposal, Dishwasher, Gas Range, Microwave, Refrigerator, Washer
Heating Central
Cooling Central Air, Electric
Fireplace No
# of Stories 2
Stories Two
Master Bedroom Master Bdrm - Upstairs, Separate Shower, Separate Tub

Exterior

Exterior Features Lighting, Outdoor Shower
Roof Other
Construction Block
Front Exposure West

School Information

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

Additional Information

Date Closed February 4th, 2026
Date Listed December 1st, 2025
Days on Market 283
Zoning 2001
Foreclosure No
Short Sale No
RE / Bank Owned No
HOA Fees Freq. Monthly
Parcel ID 2452050080180

Listing Details

OfficeOne Sotheby's International Realty

Listing Map

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