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House in Key Biscayne, FL 33149Mashta Island, 669 S Mashta Dr
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Closed
4
Beds31/2
Baths3,382
SqFtStatus
Sold - Aug 11, 2026
Parking
No info
Size
3,382 SqFt (314 m2)
Price
$1,538/SqFt ($16,550/m2)
Type
House
Built
1960
MLS Number
A12033340
View
Garden
On Site
98 Days
Updated
34 Days ago
Page Views
0
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.
Features
Bedrooms
- Bedrooms: 4
Bathrooms
- Bathrooms: 3
- Half Bathrooms: 1
Exterior and Lot Features
- Exterior Features: OutdoorShower, Patio, StormSecurityShutters
- View: Garden
Interior, Heating and Cooling
- Interior Features: BedroomOnMainLevel, BreakfastArea, DiningArea, SeparateFormalDiningRoom, DualSinks, GardenTubRomanTub, HighCeilings, SplitBedrooms, SeparateShower
- Equipment / Appliances: BuiltInOven, Dryer, Dishwasher, Disposal, GasRange, Refrigerator, SelfCleaningOven, Washer
- Heating Description: HeatStrip
- Cooling Description: CentralAir
Building and Construction
- Floor Description: Vinyl
- Windows/Treatment: Blinds,ImpactGlass
- Year Built: 1960
- Year Built Description: Unknown
- Style: 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: 2026-06-08T17:05:40.000-00:00
- Directions: West
- Pets Allowed: Conditional,Yes
Taxes, Fees & More
- Taxes: 22013
- Security Information: SmokeDetectors
- Parking Description: Driveway
Apples-to-Apples Comparables
Price History
Current
$5.2M
High
$5.8M
Low
$5.2M
Total Change
-10.3%Date
Event
Price
Change
Price Per
08/11/2026
Sold
$5.2M
0%$1,538 ft2
$16,550 m2
06/08/2026
Price Reduced
$5.2M
-10.33%$1,538 ft2
$16,550 m2
06/09/2026
Price Reduced
$5.8M
0%$1,715 ft2
$18,457 m2
06/08/2026
Listed
$5.8M
$1,715 ft2
$18,457 m2
08/11/2026
$5.2M
Event
Sold
Change
0%Price Per
$1,538 ft2
$16,550 m2
06/08/2026
$5.2M
Event
Price Reduced
Change
-10.33%Price Per
$1,538 ft2
$16,550 m2
06/09/2026
$5.8M
Event
Price Reduced
Change
0%Price Per
$1,715 ft2
$18,457 m2
06/08/2026
$5.8M
Event
Listed
Price Per
$1,715 ft2
$18,457 m2
Price per square foot and days on website are not provided values and are calculated by Subdivisions.
Listed by Maureen Jauregui • Coldwell Banker Realty • Buyer Agency Compensation .
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Scores
8
100
36
100
80
100
0
100
24
100
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 Ultra Luxury Ultra Luxury Homes & Condos
- Biscayne Key Estates House7
- Cape Florida House8
- Casa Del Mar Mixed4
- Club Tower Condo2
- Grand Bay Tower Condo4
- Holiday Colony House0
- Island House Co-Op5
- Key Cassa Condo2
- Lake Villa Condo2
- Mashta Island Mixed4
- Matheson Estates House0
- Ocean Tower Condo6
- Oceana Key Biscayne Mixed6
- Resort Villa Condo2
- Sands Of Key Biscayne Condo3
- The Ritz-Carlton Key Biscayne Condo1
- Tropical Isle Homes House14
The data relating to real estate for sale on this web site comes in part from the Broker Reciprocity' Program of the Regional Multiple Listing Service of Miami Dade, Broward, Palm Beach, Collier and Lee Counties. Not all listings found on this site are necessarily listed through Subdivisions.com. Real estate listings held by brokerage firms other than Subdivisions.com are marked with the Broker Reciprocity' logo or the Broker Reciprocity' thumbnail logo (little black house) and detailed information about them includes the name of the listing brokers.
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