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631 N Mashta Drive Key Biscayne FL 33149US4 Bed, 5.00 Bath (4 Full Bath , 1 Half Bath), RX-11060323
631 N Mashta Drive Key BiscayneFL33149
23500000.0000 1/1/1900 12:00:00 AM
Realty Executives of South Florida
643 East Atlantic BlvdPomano BeachFL33060
954-804-5668
1 /

Courtesy of: Javier Gustavo Quiroz, Coldwell Banker, javier.quiroz@cbrealty.com

631 N Mashta Drive
Key Biscayne FL 33149 US

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1 /

Courtesy of: Javier Gustavo Quiroz, Coldwell Banker, javier.quiroz@cbrealty.com

Realty Executives of South Florida
643 East Atlantic Blvd
Pomano Beach, FL, US 33060
954-804-5668

Get more info about this property

631 N Mashta Drive
Key Biscayne FL 33149 US

$23,500,000

Active Listing ID RX-11060323
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4 bed
bath icon
5.00 Bath (4 Full , 1 Half)
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Single Family Residence

$23,500,000

Active Listing ID RX-11060323
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Maps

631 N Mashta Drive BRING ALL OFFERS - Waterfront Dream Home in the Making!Key Biscayne's Ultimate Boater's Paradise - Fully Renovated Luxury Residence Coming SoonThis is a rare and exceptional opportunity to own a like-new, fully renovated luxury home in one of Key Biscayne's most exclusive waterfront enclaves. Currently under an extensive renovation with expected completion in approximately 5 months, this residence is being reimagined with the highest standards of modern design, comfort, and functionality.A Complete Transformation - Inside and OutThis is not just a cosmetic update -- this is a down-to-the-studs, full-scale renovation that will result in a completely refreshed and reimagined home. Upon completion, this property will boast:

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Property Features

  • Facts
  • Property Type: Residential
  • Property Sub-type: Single Family Residence
  • Features
  • Full Bathrooms: 4
  • 1/2 Bathrooms: 1
  • Cooling System: Central Air
  • Exterior Finish: Covered Patio, Open Patio, Private Pool
  • Floor Covering: Concrete
  • Heating Fuels: Central, Electric (Heating)
  • Additional Features
  • Patio
  • Waterfront

Property

  • propertytype: Residential
  • propertysubtype: Single Family Residence
  • listprice: 23500000
  • unparsedaddress: 631 N Mashta Drive
  • postalcity: Key Biscayne
  • stateorprovince: FL
  • country: US
  • postalcode: 33149
  • bathroomsfull: 4
  • bathroomshalf: 1
  • bathroomsonequarter: 0
  • bathroomsthreequarter: 0
  • lotsizeunits: Acres
  • livingarea: 2255
  • livingareaunits: Square Feet
  • latitude: 25.685932
  • longitude: -80.173958
  • listagentfullname: Javier Gustavo Quiroz
  • listagentemail: javier.quiroz@cbrealty.com
  • listagentkey: 3yd-RMLSFL-20240517152038933406000000
  • listagentmlsid: 20240517152038933406000000
  • listagentpreferredphone: 3059095940
  • listagentofficephone: 5613952233
  • listofficekey: 3yd-RMLSFL-20130129223933081940000000
  • listofficemlsid: 20130129223933081940000000
  • disclaimer: Copyright © 2025 BeachesMLS / Flexmls. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.
  • sourcesystemid: RMLSFL
  • yearbuilt: 1958
  • listingcontractdate: 2025-02-07
  • listagenturl: http://www.floridamoves.com
  • countyorparish: Miami-Dade
  • parcelnumber: 2452050080070
  • appliances: None
  • cooling: Central Air
  • constructionmaterials: Brick, Concrete
  • flooring: Concrete
  • heating: Central, Electric (Heating)
  • fireplaceyn: False
  • transactiontype: ForSale
  • storiestotal: 1
  • parkingtotal: 2
  • parkingfeatures: Carport, Driveway
  • waterfrontyn: True
  • franchiseaffiliation: Coldwell Banker Real Estate
  • interiorfeatures: None
  • exteriorfeatures: Covered Patio, Open Patio, Private Pool
  • waterfrontfeatures: Waterfront, 100 Feet Of Waterfront
  • architecturalstyle: Other
  • rooms: Bathroom 1, Bathroom 2, Bathroom 3, Bathroom 4, Bathroom 5, Bedroom 1, Bedroom 2, Bedroom 3, Bedroom 4
  • patioandporchfeatures: Patio
  • dock: False
  • poolprivateyn: False
  • spayn: False
  • internetaddressdisplayyn: True
  • internetautomatedvaluationdisplayyn: True
  • internetconsumercommentyn: True
  • location: -80.17396, 25.685932
  • customfields: {"AdditionalInformation":{}, "AlternatePrices":[], "BrokerName":"Coldwell Banker", "BuilderEmail":null, "BuilderFax":null, "BuilderPhone":null, "City":null, "Country":null, "Expenses":[], "GeocodeOptions":null, "LeadRoutingEmail":"javier.quiroz@cbrealty.com", "ListBrokerageCity":"Boca Raton", "ListBrokerageCountry":"US", "ListBrokerageEmail":"roy.jones@floridamoves.com", "ListBrokerageLogoUrl":"http://brokerlogos.listhub.net/RMLSFL/11e33701e82d11dfbfeb00219b9aa4d8/20101105113307868.png", "ListBrokerageName":"Coldwell Banker", "ListBrokeragePhone":"(561) 395-2233", "ListBrokeragePostalCode":"33432", "ListBrokerageStateOrProvince":"FL", "ListBrokerageUnitNumber":null, "ListBrokerageUnparsedAddress":"1 South Ocean Blvd #1", "ListBrokerageWebsiteUrl":"http://www.floridamoves.com", "ListOfficeAddress1":"1200 North Federal Hwy", "ListOfficeAddress2":null, "ListOfficeBrokerMlsId":null, "ListOfficeCity":"Boca Raton", "ListOfficeCountry":"US", "ListOfficeEmail":"joseph.santini@floridamoves.com", "ListOfficePostalCode":"33432", "ListOfficeStateOrProvince":"FL", "ListPriceCurrencyType":"USD", "ListingTitle":"Single Family Detached - Key Biscayne, FL", "ListingURL":"https://www.realtor.com/realestateandhomes-detail/631-N-Mashta-Dr_Key-Biscayne_FL_33149_M62487-23991?f=listhub&s=RMLSFL-RX&m=11060323&c=rexren", "MLSModificationTimestamp":"2025-04-17T12:53:21Z", "Neighborhoods":[{"Description":null, "Name":"MASHTA ISLAND"}], "PostalCode":null, "RawPropertySubType":"Single Family Detached", "RawPropertyType":"Residential", "RoomCount":null, "StateOrProvince":null, "Taxes":[{"TaxAnnualAmount":99103, "TaxDescription":null, "TaxYear":"2024"}], "UnitNumber":null, "UnparsedAddress":null}
Listing Changed: 9/23/2025 3:06:53 PM GMT
Source Updated Date: 12/8/2025 12:55:19 PM GMT

Courtesy of: Javier Gustavo Quiroz, Coldwell Banker, javier.quiroz@cbrealty.com

Copyright © 2025 BeachesMLS / Flexmls. 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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