669 S Mashta Dr, Key Biscayne FL 33149 | Miami-Dade County | A11922444
- $4,950,000
- Single Family Residence
- 3
- 3.5
- 0
- 3382 Square Feet
- $4,950,000
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.
Address
Open on Google Maps-
Address: Mashta Dr
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City: Key Biscayne
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State/county: Miami-Dade County
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Zip/Postal Code: 33149
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Area: MASHTA ISLAND
Details
Updated on December 1, 2025 at 3:02 am-
Property ID A11922444
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Price $4,950,000
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Property Size 3382 Square Feet
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Bedrooms 3
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Bathrooms 3.5
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Garage 0
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Year Built 1960
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Type Single Family Residence
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Property Status Residential
Additional details
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ArchitecturalStyle Detached, Two Story
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AssociationFee 0
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AssociationFeeFrequency Monthly
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BathroomsFull 3
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BathroomsHalf 1
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BuildingAreaTotal 3382
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BuildingAreaUnits Square Feet
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BuildingName MASHTA ISLAND
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CarportSpaces 0
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CommunityFeatures Other
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ConstructionMaterials Concrete Block Construction
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ContractStatusChangeDate 2025-11-30
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Cooling Central Air, Electric
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CoveredSpaces 0
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DaysOnMarket 0
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DirectionFaces West
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Directions Take Crandon Blvd south and turn right onto Harbor Drive. Follow Harbor Drive all the way to the end, where it becomes South Mashta Drive. Continue straight; the home will be on the left-hand side.
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DoorFeatures High Impact Doors
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ElementarySchool Keybiscayne
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ExpirationDate 2026-12-01
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Flooring Marble, Wood
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Furnished Unfurnished
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Heating Central
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HighSchool Coral Gables
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InternetAddressDisplayYN 1
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InternetAutomatedValuationDisplayYN 1
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InternetConsumerCommentYN 1
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InternetEntireListingDisplayYN 1
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ListAOR A-Miami Association of REALTORS
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ListAgentDirectPhone 786-356-2610
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ListingTerms All Cash, Conventional
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LotFeatures 1/4 To Less Than 1/2 Acre Lot
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LotSizeSquareFeet 10000
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MLSAreaMajor Mashta Island
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MajorChangeTimestamp December 1, 2025 at 12:45am
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MajorChangeType New
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MiddleOrJuniorSchool Ponce De Leon
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MlsStatus Active
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ModificationTimestamp December 1, 2025 at 12:45am
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OnMarketDate 2025-11-30
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OriginalEntryTimestamp December 1, 2025 at 12:45am
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OriginalListPrice 4950000
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OriginatingSystemID miamire
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OriginatingSystemKey miamire
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OriginatingSystemName Miami Association of REALTORS®
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OtherExpense 0
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Ownership Limited Partnership
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ParcelNumber 24-52-05-008-0180
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ParkingFeatures Driveway
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PatioAndPorchFeatures Patio
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PetsAllowed More Than 20 Lbs
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PhotosChangeTimestamp December 1, 2025 at 12:48am
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PhotosCount 98
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PoolFeatures In Ground
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Possession Funding
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PostalCodePlus4 1747
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PriceChangeTimestamp November 30, 2025 at 08:01pm
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PublicSurveyRange 52
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PublicSurveySection 5
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PublicSurveyTownship 52
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Roof Other
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RoomsTotal 0
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Sewer Public Sewer
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ShowingInstructions 24 Hour Notice, Showing Assist
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SourceSystemKey 423760388
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StateOrProvince FL
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StatusChangeTimestamp December 1, 2025 at 12:45am
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StreetDirPrefix S
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StreetName Mashta Dr
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StreetNumber 669
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StreetNumberNumeric 669
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StructureType Pool Only, House
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SyndicationRemarks 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.
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TaxAnnualAmount 22036
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TaxLegalDescription 5-6 55 42 MASHTA ISLAND PB 60-93 LOT 11 BLK 2 LOT SIZE 100.000 X 100 OR 19565-4268 03/2001 1
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TaxYear 2025
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View Garden
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WaterSource Municipal Water
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WindowFeatures Hurricane Shutters
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YearBuiltDetails Resale
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Zoning 2001
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