Mashta Island, 669 S Mashta Dr

$5M4%
$4,750,000
3
Beds
31/2
Baths
3,382
SqFt
Status
Sold - Feb 04, 2026
Parking
No info
Size
3,382 SqFt (314 m2)
Price
$1,404/SqFt ($15,118/m2)
Type
House
Built
1960
HOA
N/A
MLS Number
A11922444
View
Garden
On Site
288 Days
Updated
18 Days ago
Page Views
0
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

Bedrooms
  • Bedrooms: 3
Bathrooms
  • Bathrooms: 3
  • Half Bathrooms: 1
Exterior and Lot Features
  • Exterior Features: SecurityHighImpactDoors, Lighting, OutdoorShower, Patio, StormSecurityShutters
  • View: Garden
Interior, Heating and Cooling
  • Interior Features: Bathtub, DiningArea, SeparateFormalDiningRoom, FirstFloorEntry, SeparateShower, UpperLevelPrimary
  • Equipment / Appliances: Dryer, Dishwasher, ElectricWaterHeater, Disposal, GasRange, Microwave, Refrigerator, Washer
  • Heating Description: Central
  • Cooling Description: CentralAir,Electric
Building and Construction
  • Floor Description: Hardwood,Marble,Wood
  • Year Built: 1960
  • Year Built Description: Resale
  • Style: Detached,TwoStory
Waterfront and Water Access
  • Waterfront Frontage: No info
School Information
  • Elementary School: Keybiscayne
  • Middle School: Ponce De Leon
  • Senior High School: Coral Gables
Other Property Info
  • Garage: No info
  • Listing Date: 2025-11-30T19:45:02.000-00:00
  • Directions: West
  • Pets Allowed: SizeLimit,Yes
Taxes, Fees & More
  • Taxes: 22036
  • Parking Description: Driveway

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Price History

Current
$4.8M
High
$5M
Low
$4.8M
Total Change
-4%
$5M$4.9M$4.7MNov 25Nov 25Feb 26
Date
Event
Price
Change
Price Per
02/04/2026
Sold
$4.8M
0%
$1,404 ft2
$15,118 m2
11/30/2025
Price Reduced
$4.8M
-4.04%
$1,404 ft2
$15,118 m2
11/30/2025
Listed
$5M
 
$1,464 ft2
$15,755 m2
02/04/2026
$4.8M
Event
Sold
Change
0%
Price Per
$1,404 ft2
$15,118 m2
11/30/2025
$4.8M
Event
Price Reduced
Change
-4.04%
Price Per
$1,404 ft2
$15,118 m2
11/30/2025
$5M
Event
Listed
Price Per
$1,464 ft2
$15,755 m2
Price per square foot and days on website are not provided values and are calculated by Subdivisions.
Listed by Miriam PoggioOne Sotheby's International Realty • Buyer Agency Compensation .

Listing Location & Street View
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Scores

Walk Score®
Car-Dependent. Almost all errands require a car
8

100
Bike Score®
Somewhat Bikeable. Minimal bike infrastructure
36

100
Sound Score®
Bearable noise
80

100
Airport Score
Close to airports. Noticeable airport activity
0

100
Traffic Score
Congested area. Frequent traffic delays
24

100
Local Score
Limited local amenities nearby
0

100
Community Snapshot
4 – 5 BR
Bedrooms
$6.4M – $19.9M
Price Tier
2,255 - 10,820
SqFt Range
1972
Year Build
1
Total Floors
71
Total Units

Key Biscayne
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