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669 S Mashta Dr Key Biscayne FL 33149US4 Bed, 4.00 Bath (3 Full Bath , 1 Half Bath), A12033340
669 S Mashta Dr Key BiscayneFL33149
5799000.0000 1/1/1900 12:00:00 AM
Realty Executives of South Florida
643 East Atlantic BlvdPomano BeachFL33060
754-714-7170

669 S Mashta Dr
Key Biscayne FL 33149 US

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Courtesy of: Maureen Jauregui, Coldwell Banker Realty, carter.jauregui@gmail.com

Realty Executives of South Florida
643 East Atlantic Blvd
Pomano Beach, FL, US 33060
754-714-7170

Get more info about this property

669 S Mashta Dr
Key Biscayne FL 33149 US

$5,799,000

Active Listing ID A12033340
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4 bed
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4.00 Bath (3 Full , 1 Half)
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Lot: 0.23 Acres
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Single Family Residence

$5,799,000

Active Listing ID A12033340
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669 S Mashta Dr 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.

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Property Features

  • Facts
  • Lot Size: 0.23 Acres
  • Property Type: Residential
  • Property Sub-type: Single Family Residence
  • Features
  • Full Bathrooms: 3
  • 1/2 Bathrooms: 1
  • Cooling System: Central Air
  • Exterior Finish: Outdoor Shower, Patio, Storm/Security Shutters
  • Floor Covering: Vinyl
  • Roof Type: Tar/Gravel
  • Additional Features
  • Patio

School Information

  • School
  • Keybiscayne(Elementary)
  • Ponce De Leon(MiddleSchool)
  • Coral Gables(HighSchool)

Property

  • propertytype: Residential
  • propertysubtype: Single Family Residence
  • listprice: 5799000
  • unparsedaddress: 669 S Mashta Dr
  • postalcity: Key Biscayne
  • stateorprovince: FL
  • country: US
  • postalcode: 33149
  • bathroomsfull: 3
  • bathroomshalf: 1
  • bathroomsonequarter: 0
  • bathroomsthreequarter: 0
  • lotsizeacres: 0.2296
  • lotsizeunits: Acres
  • lotsizearea: 0.2296
  • livingarea: 3382
  • livingareaunits: Square Feet
  • listagentfullname: Maureen Jauregui
  • listagentemail: carter.jauregui@gmail.com
  • listagentkey: 3yd-MAORFL-0549977
  • listagentmlsid: 0549977
  • listagentpreferredphone: 3057983124
  • listagentofficephone: 3053615722
  • listofficekey: 3yd-MAORFL-CBRE07
  • listagentstatelicense: 0549977
  • listofficemlsid: CBRE07
  • disclaimer: Copyright © 2026 Miami REALTORS®. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.
  • sourcesystemid: MAORFL
  • yearbuilt: 1960
  • listagenturl: http://www.floridamoves.com
  • countyorparish: Miami-Dade
  • parcelnumber: 24-52-05-008-0180
  • elementaryschool: Keybiscayne
  • highschool: Coral Gables
  • appliances: Dishwasher, Dryer, Garbage Disposer, Range, Range - Gas, Refrigerator, Washer
  • cooling: Central Air
  • constructionmaterials: Block
  • flooring: Vinyl
  • fireplaceyn: False
  • transactiontype: ForSale
  • storiestotal: 0
  • parkingtotal: 0
  • parkingfeatures: Driveway
  • roof: Tar/Gravel
  • waterfrontyn: False
  • franchiseaffiliation: Coldwell Banker Real Estate
  • interiorfeatures: Bedroom On Main Level, Breakfast Area, Dining Area, Separate/Formal Dining Room, Dual Sinks, Garden Tub/Roman Tub, High Ceilings, Split Bedrooms, Separate Shower
  • exteriorfeatures: Outdoor Shower, Patio, Storm/Security Shutters
  • architecturalstyle: Other
  • rooms: Bathroom 1, Bathroom 2, Bathroom 3, Bathroom 4, Bedroom 1, Bedroom 2, Bedroom 3, Bedroom 4
  • patioandporchfeatures: Patio
  • dock: False
  • poolprivateyn: False
  • spayn: False
  • internetaddressdisplayyn: True
  • internetautomatedvaluationdisplayyn: False
  • internetconsumercommentyn: False
  • customfields: {"AdditionalInformation":{}, "AlternatePrices":[], "BrokerName":"Coldwell Banker Residential Real Estate", "BuilderEmail":null, "BuilderFax":null, "BuilderPhone":null, "City":null, "Country":null, "Expenses":[], "GeocodeOptions":null, "LeadRoutingEmail":"carter.jauregui@gmail.com", "ListBrokerageCity":"Sarasota", "ListBrokerageCountry":"US", "ListBrokerageEmail":"kenneth.demmons@nrtsoutheast.com", "ListBrokerageLogoUrl":"http://brokerlogos.listhub.net/140/268243/20140613161711608.png", "ListBrokerageName":"Coldwell Banker Residential Real Estate", "ListBrokeragePhone":"(941) 487-1400", "ListBrokeragePostalCode":"34232", "ListBrokerageStateOrProvince":"FL", "ListBrokerageUnitNumber":null, "ListBrokerageUnparsedAddress":"5951 Cattleridge Ave", "ListBrokerageWebsiteUrl":"http://www.floridamoves.com", "ListOfficeAddress1":"328 Crandon Blvd", "ListOfficeAddress2":"Suite 127", "ListOfficeBrokerMlsId":"3268654A", "ListOfficeCity":"Key Biscayne", "ListOfficeCountry":"US", "ListOfficeEmail":"michaelj.suarez@cbrealty.com", "ListOfficePostalCode":"33149", "ListOfficeStateOrProvince":"FL", "ListPriceCurrencyType":"USD", "ListingTitle":"Single Family Residence, Two Story - Key Biscayne, FL", "ListingURL":"https://www.realtor.com/realestateandhomes-detail/669-S-Mashta-Dr_Key-Biscayne_FL_33149_M62273-33340?f=listhub&s=MAORFL&m=A12033340&c=rexren", "MLSModificationTimestamp":"2026-06-11T13:20:07Z", "Neighborhoods":[], "PostalCode":null, "RawPropertySubType":"Single Family Residence", "RawPropertyType":"Residential", "RoomCount":null, "StateOrProvince":null, "Taxes":[{"TaxAnnualAmount":22013, "TaxDescription":null, "TaxYear":"2025"}], "UnitNumber":null, "UnparsedAddress":null}
Listing Changed: 6/11/2026 5:37:17 PM GMT
Source Updated Date: 6/13/2026 6:49:26 PM GMT

Courtesy of: Maureen Jauregui, Coldwell Banker Realty, carter.jauregui@gmail.com

Copyright © 2026 Miami REALTORS®. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.

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