669 S Mashta Dr
Key Biscayne, FL 33149
- 3 Beds
- 3.5 Baths
- 3,382 sqft
$4,750,000
Last Sold: Feb 4, 2026
4% below list $4.95M
$1,404/sqft
Est. Refi. Payment $30,386/mo*
$4,750,000
Last Sold: Feb 4, 2026
4% below list $4.95M
$1,404/sqft
Est. Refi. Payment $30,386/mo*
3 Beds
3.5 Baths
3,382 sqft
Homes for sale near 669 S Mashta Dr
Apartments for Rent
Local Information
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Description
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.
This property is off market, which means it's not currently listed for sale or rent on Trulia. This may be different from what's available on other websites or public sources. This description is from February 14, 2026
Home Highlights
Parking
Open Parking
Outdoor
Patio, Pool
View
Garden
HOA
None
Price/Sqft
$1,404/sqft
Listed
160 days ago
Home Details for 669 S Mashta Dr
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Beds & Baths Number of Bedrooms: 3Number of Bathrooms: 4Number of Bathrooms (full): 3Number of Bathrooms (half): 1 |
Dimensions and Layout Living Area: 3382 Square Feet |
Appliances & Utilities Appliances: Bottled Gas, Dishwasher, Disposal, Dryer, Electric Water Heater, Microwave, Gas Range, Refrigerator, WasherDishwasherDisposalDryerMicrowaveRefrigeratorWasher |
Heating & Cooling Heating: CentralHas CoolingAir Conditioning: Central Air,ElectricHas HeatingHeating Fuel: Central |
Gas & Electric Gas: Bottled Gas |
Windows, Doors, Floors & Walls Window: Hurricane ShuttersDoor: High Impact DoorsFlooring: Marble, Wood |
Levels, Entrance, & Accessibility Stories: 2Entry Location: First Floor EntryFloors: Marble, Wood |
View Has a ViewView: Garden |
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Exterior Home Features Roof: OtherPatio / Porch: PatioExterior: Lighting, Outdoor ShowerHas a Private Pool |
Parking & Garage No GarageHas Open ParkingParking: Driveway |
Pool Pool: In Ground, Pool OnlyPool |
Frontage Not on Waterfront |
Water & Sewer Sewer: Public Sewer |
Farm & Range Not Allowed to Raise Horses |
Surface & Elevation Elevation Units: Feet |
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Year Built Year Built: 1960 |
Property Type / Style Property Type: ResidentialProperty Subtype: Single Family ResidenceStructure Type: House, DetachedArchitecture: House,Detached |
Building Building Name: Mashta IslandConstruction Materials: Concrete Block Construction |
Property Information Usage of Home: InvestmentParcel Number: 2452050080180 |
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Price List Price: $4,950,000Price Per Sqft: $1,404/sqft |
Status Change & Dates Off Market Date: Wed Jan 07 2026Possession Timing: Funding |
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MLS Status: Closed |
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Direction & Address City: Key BiscayneCommunity: Mashta Island |
School Information Elementary School: KeybiscayneJr High / Middle School: Ponce De LeonHigh School: Coral Gables |
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Building Area Building Area: 3382 Square Feet |
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Community Features: Other, Other Subdiv/Park Info |
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Association for this Listing: A-Miami Association of REALTORSHas an HOA |
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Lot Area: 10000 sqft |
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Contingencies: No ContingenciesListing Terms: All Cash, Conventional |
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Business Information Ownership: Limited Partnership |
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Mls Number: A11922444 |
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OtherOther Subdiv/Park Info |
Last check for updates: about 10 hours ago
Listed by Miriam Poggio, (786) 356-2610
One Sotheby's International Realty
Bautista Carugati, (305) 333-3016
One Sotheby's International Realty
Bought with: Maureen Jauregui, (305) 798-3124, Coldwell Banker Realty
Originating MLS: A-Miami Association of REALTORS
Source: MIAMI, MLS#A11922444

Price History for 669 S Mashta Dr
| Date | Price | Event | Source |
|---|---|---|---|
| 02/04/2026 | $4,750,000 | Sold | MIAMI #A11922444 |
| 01/08/2026 | $4,950,000 | Pending | MIAMI #A11922444 |
| 12/01/2025 | $4,950,000 | Listed For Sale | MIAMI #A11922444 |
| 06/27/2025 | $3,465,000 | Sold | MIAMI #A11729326 |
| 06/17/2025 | $3,900,000 | Pending | MIAMI #A11729326 |
| 03/11/2025 | $3,900,000 | PriceChange | MIAMI #A11729326 |
| 03/05/2025 | $4,295,000 | PriceChange | MIAMI #A11729326 |
| 02/13/2025 | $4,490,000 | PriceChange | MIAMI #A11729326 |
| 02/03/2025 | $4,995,000 | Listed For Sale | MIAMI #A11729326 |
Property Tax and Assessment
| Year | 2024 |
|---|---|
| Tax | $22,405 |
| Assessment | $3,254,495 |
Home facts updated by county records
Comparable Sales for 669 S Mashta Dr
Address | Distance | Property Type | Sold Price | Sold Date | Bed | Bath | Sqft |
|---|---|---|---|---|---|---|---|
0.16 | Single-Family Home | $4,700,000 | 07/10/25 | 6 | 5 | 3,245 | |
0.32 | Single-Family Home | $3,450,000 | 07/21/25 | 4 | 3 | 3,004 | |
0.43 | Single-Family Home | $3,500,000 | 01/16/26 | 4 | 3.5 | 2,775 | |
0.36 | Single-Family Home | $4,950,000 | 04/20/26 | 6 | 6 | 3,888 | |
0.70 | Single-Family Home | $4,120,000 | 02/18/26 | 3 | 3 | 2,927 | |
0.65 | Single-Family Home | $4,475,000 | 04/10/26 | 4 | 3.5 | 3,666 | |
0.51 | Single-Family Home | $3,726,000 | 07/07/25 | 4 | 3 | 2,473 |
Assigned Schools
These are the assigned schools for 669 S Mashta Dr.
What Locals Say about Key Biscayne
At least 116 Trulia users voted on each feature.
94 % Say it's walkable to grocery stores
94 % Say kids play outside
90 % Say it's dog friendly
90 % Say it's walkable to restaurants
85 % Say people would walk alone at night
85 % Say there are sidewalks
80 % Say there's holiday spirit
79 % Say it's quiet
76 % Say they plan to stay for at least 5 years
68 % Say streets are well-lit
68 % Say parking is easy
60 % Say there are community events
58 % Say neighbors are friendly
54 % Say yards are well-kept
52 % Say there's wildlife
50 % Say car is needed
Learn more about our methodology.
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IDX information is provided exclusively for personal, non-commercial use, and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information is deemed reliable but not guaranteed.
Homes for rent near 669 S Mashta Dr
Off Market Homes Near 669 S Mashta Dr
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669 S Mashta Dr, Key Biscayne, FL 33149 is a 3 bedroom, 4 bathroom, 3,382 sqft single-family home built in 1960. This property is not currently available for sale. 669 S Mashta Dr was last sold on Feb 4, 2026 for $4,750,000 (4% lower than the asking price of $4,950,000). The current Trulia Estimate for 669 S Mashta Dr is $4,658,800.

