Waterfront. Located on Mashta Island and island within an island in Key Biscayne. The minute you walk into the house the most breathtaking Biscayne Bay views welcomes you. Breathtaking sunsets. Oversized Lot: 18,300-sq. Ft. 2 story home with excellent floor

510 SOUTH MASHTA DR, Key Biscayne

$19,000,000 USD 5 6.5
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      Address510 SOUTH MASHTA DR, Key Biscayne
      Building NameMASHTA ISLAND A REPLAT OF
      Type of PropertySingle Family Residence
      Property StyleHouse
      Price$19,000,000
      Sold on8th July, 2025
      Sold Price$18,921,250
      Property StatusClosed
      MLS NumberA11782312
      Bedrooms Number5
      Full Bathrooms Number6
      Half Bathrooms Number1
      Living Area5226
      Lot Size18300
      Year Built1981
      Garage Spaces Number2
      Folio Number24-52-05-009-0190
      Zoning Information2001
      Days on Market110

      Detailed Description: Waterfront. Located on Mashta Island and island within an island in Key Biscayne. The minute you walk into the house the most breathtaking Biscayne Bay views welcomes you. Breathtaking sunsets. Oversized Lot: 18,300-sq. Ft. 2 story home with excellent floor plan, Large living room area w / double height ceilings, family room adjacent to Kitchen area. Large dining area w / direct water views and access to pool area. 2nd floor: Master suite and 3 additional bedrooms en suite Master suite w / balcony and large walk in closet. 1st floor Guest suite. Water views from every room, dining and reception area. Gazebo by the water. Open kitchen. Staff area. Powder room. Oversized pool w / Cabana room and cabana bath. Double access (service access and main access) Lush garden offers total privacy. Enclosed two car garage.

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      Waterfront
      Pets Allowed

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      Address Information
      StateFlorida
      CityKey Biscayne
      CountyMiami-Dade County
      Zip Code33149
      Address510 SOUTH MASHTA DR
      Section5
      Zip Code (4 Digits)1733
      Financial Information
      Price$19,000,000
      Price per Foot$0
      Sold on8th July, 2025
      Sold Price$18,921,250
      Folio Number24-52-05-009-0190
      Tax Amount$172,413
      Tax Year2024
      Terms of SaleConventional
      Type of ContingenciesOther
      Full Descriptions
      Detailed DescriptionWaterfront. Located on Mashta Island and island within an island in Key Biscayne. The minute you walk into the house the most breathtaking Biscayne Bay views welcomes you. Breathtaking sunsets. Oversized Lot: 18,300-sq. Ft. 2 story home with excellent floor plan, Large living room area w / double height ceilings, family room adjacent to Kitchen area. Large dining area w / direct water views and access to pool area. 2nd floor: Master suite and 3 additional bedrooms en suite Master suite w / balcony and large walk in closet. 1st floor Guest suite. Water views from every room, dining and reception area. Gazebo by the water. Open kitchen. Staff area. Powder room. Oversized pool w / Cabana room and cabana bath. Double access (service access and main access) Lush garden offers total privacy. Enclosed two car garage.
      Property ViewBay, Garden
      Water AccessDock Available, Private Dock
      Waterfront DescriptionOcean Access, Ocean Front
      Design DescriptionAttached, Two Story
      Roof DescriptionBarrel Roof
      Floor DescriptionMarble, Wood
      Interior FeaturesFirst Floor Entry, Built-in Features, Closet Cabinetry, Split Bedroom, Volume Ceilings, Den / Library / Offic
      Furnished InformationUnfurnished
      Equipment AppliancesDishwasher, Refrigerator
      Pool DescriptionIn Ground
      Cooling DescriptionCentral Air, Electric
      Heating DescriptionCentral, Electric
      Water DescriptionMunicipal Water
      Sewer DescriptionPublic Sewer
      Parking DescriptionAdditional Spaces Available, Circular Driveway, Driveway
      Pet RestrictionsRestrictions Or Possible Restrictions
      Property parameters
      Bedrooms Number5
      Full Baths Number6
      Half Baths Number1
      Living Area5226
      Lot Size18300
      Zoning Information2001
      Year Built1981
      Type of PropertySingle Family Residence
      StyleHouse
      Building NameMASHTA ISLAND A REPLAT OF
      Development NameMASHTA ISLAND A REPLAT OF
      Construction TypeCBS Construction
      Street DirectionSouth
      Garage Spaces Number2
      Listed withDLS International Realty