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87429 Old Highway
Plantation Key FL 33036 US

$19,500,000

Active Listing ID 615643
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6 bed
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8.00 Bath (8 Full)
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Lot: 2.85 Acres
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Single Family Residence

$19,500,000

Active Listing ID 615643
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87429 Old Highway A private sanctuary of coastal sophistication, The Oasis offers two residences spanning 2.85 meticulously landscaped acres with over 400 feet of pristine waterfront and a protected deepwater basin. Designed for elevated living, The Oasis blends resort-style amenities with the privacy and scale of a true Florida Keys compound.The grand porte-cochere entry sets the tone, leading to a single-level main residence with soaring ceilings, white oak floors, and 12' retractable glass walls that frame sweeping ocean views. The chef's kitchen is anchored by a Calacatta marble island, Thermador appliances, and a walk-in pantry, opening to a spacious great room and dining area ideal for entertaining.The main home features four bedrooms, six full bathrooms, and a soundproof theater room. The primary suite is a private retreat with a fireplace, dual walk-in closets, a safe room, and a spa-inspired bath with a steam shower. Each additional bedroom includes an en suite bath, private balcony, and ocean views. A detached guest house offers two additional bedrooms and bathrooms, creating a total of six bedrooms across the estate with endless space for expansion. The summer kitchen, alfresco dining areas, and multiple lounging terraces offer seamless indoor-outdoor living. The deepwater basin accommodates larger vessels and provides quick access to the Atlantic and Bay. Amenities rival a private resort: soundproof theater, fitness center with sauna, golf simulator, and two resort-style pools--each with a spa, sun deck, and outdoor entertaining spaces.Discreetly luxurious and effortlessly livable, The Oasis redefines waterfront living in the Florida Keys. Designed for ultimate security and safety, this home was built to provide unmatched peace of mind. Every element was designed with meticulous attention to detail and an uncompromising commitment to quality. The Oasis is not just a residence--it is a lifestyle statement in one of the Florida Keys' most desirable locations.

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Property Features

  • Facts
  • Lot Size: 2.85 Acres
  • Property Type: Residential
  • Property Sub-type: Single Family Residence
  • Features
  • Full Bathrooms: 8
  • Cooling System: Ceiling Fan(s)
  • Exterior Finish: Built-in Grill, Outdoor Kitchen, Rain Gutters, Detached Guest Qtrs, Fencing
  • Floor Covering: Carpet, Tile, Wood
  • Roof Type: Metal
  • Additional Features
  • Fireplace
  • Waterfront

Property

  • propertytype: Residential
  • propertysubtype: Single Family Residence
  • listprice: 19500000
  • unparsedaddress: 87429 Old Highway
  • postalcity: Plantation Key
  • stateorprovince: FL
  • country: US
  • postalcode: 33036
  • bathroomsfull: 8
  • bathroomshalf: 0
  • bathroomsonequarter: 0
  • bathroomsthreequarter: 0
  • lotsizeacres: 2.85
  • lotsizeunits: Acres
  • lotsizearea: 2.85
  • livingarea: 6692
  • livingareaunits: Square Feet
  • latitude: 24.965079
  • longitude: -80.561411
  • listagentfullname: Walters Luxury Group Gloria, Rachel and Michaela Walters
  • listagentemail: gwalters@oceansir.com
  • listagentkey: 3yd-FLKEYSMLSFL-20210730155050475112000000
  • listagentmlsid: 20210730155050475112000000
  • listagentpreferredphone: 3059426834
  • listagentofficephone: 3057128888
  • listofficekey: 3yd-FLKEYSMLSFL-20100727151734715717000000
  • listagentstatelicense: 662034_1
  • listofficemlsid: 20100727151734715717000000
  • disclaimer: Copyright © 2026 Florida Keys Board of 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: FLKEYSMLSFL
  • yearbuilt: 2022
  • listagenturl: https://oceansir.com/team/gloria-walters
  • countyorparish: Monroe
  • parcelnumber: 00415210-000000
  • appliances: Dishwasher, Dryer, Freezer, Garbage Disposer, Microwave, Refrigerator, Washer, Water - Purifier, Water - Softener
  • cooling: Ceiling Fan(s)
  • constructionmaterials: Concrete
  • flooring: Carpet, Tile, Wood
  • numberofunitstotal: 2
  • fireplaceyn: True
  • transactiontype: ForSale
  • storiestotal: 2
  • parkingtotal: 0
  • parkingfeatures: Carport, Covered, Garage, Guest, Open
  • roof: Metal
  • view: Ocean, Water
  • waterfrontyn: True
  • interiorfeatures: Drapes/Blinds Incl, Built-in Cabinets, Quartz Countertops, Tray Ceilings, Bar, Window Treatments, Walk-in Closet(s), Storage, Smoke Alarms, Sky Light(s), Security System, Entrance Foyer, Pantry, Intercom, Fireplace(s), Split Bedroom, Cathedral Ceilings
  • exteriorfeatures: Built-in Grill, Outdoor Kitchen, Rain Gutters, Detached Guest Qtrs, Fencing
  • waterfrontfeatures: Oceanfront, Waterfront
  • windowfeatures: Skylight(s)
  • architecturalstyle: Other
  • rooms: Bathroom 1, Bathroom 2, Bathroom 3, Bathroom 4, Bathroom 5, Bedroom 1, Bedroom 2, Bedroom 3, Bedroom 4, Bedroom 5
  • securityfeatures: Security System
  • otherstructures: Outdoor Kitchen
  • dock: False
  • poolprivateyn: False
  • spayn: False
  • fencing: Fenced
  • internetaddressdisplayyn: True
  • internetautomatedvaluationdisplayyn: True
  • internetconsumercommentyn: True
  • location: -80.56141, 24.965078
  • customfields: {"AdditionalInformation":{}, "AlternatePrices":[], "BrokerName":"Ocean Sotheby's International Realty", "BuilderEmail":null, "BuilderFax":null, "BuilderPhone":null, "City":null, "Country":null, "Expenses":[], "GeocodeOptions":null, "LeadRoutingEmail":"gwalters@oceansir.com", "ListBrokerageCity":"Islamorada", "ListBrokerageCountry":"US", "ListBrokerageEmail":"russell.post@sothebysrealty.com", "ListBrokerageLogoUrl":null, "ListBrokerageName":"Ocean Sotheby's International Realty", "ListBrokeragePhone":"3057128888", "ListBrokeragePostalCode":"33036", "ListBrokerageStateOrProvince":"FL", "ListBrokerageUnitNumber":null, "ListBrokerageUnparsedAddress":"81888 Overseas Hwy", "ListBrokerageWebsiteUrl":"http://www.oceansir.com", "ListOfficeAddress1":"81888 Overseas Hwy", "ListOfficeAddress2":null, "ListOfficeBrokerMlsId":"20200515211417486585000000", "ListOfficeCity":"Islamorada", "ListOfficeCountry":"US", "ListOfficeEmail":"russell.post@sothebysrealty.com", "ListOfficePostalCode":"33036", "ListOfficeStateOrProvince":"FL", "ListPriceCurrencyType":"USD", "ListingTitle":"Residential - Single Family - Plantation Key, FL", "ListingURL":"https://www.realtor.com/realestateandhomes-detail/87429-Old-Hwy_Islamorada_FL_33036_M66300-55527?f=listhub&s=FLKEYSMLSFL&m=615643&c=rexren", "MLSModificationTimestamp":"2026-03-23T09:54:38Z", "Neighborhoods":[{"Description":null, "Name":"25 - Plantation Key"}], "PostalCode":null, "RawPropertySubType":"Residential - Single Family", "RawPropertyType":"Residential", "RoomCount":null, "StateOrProvince":null, "Taxes":[{"TaxAnnualAmount":62705.16, "TaxDescription":null, "TaxYear":"2024"}], "UnitNumber":null, "UnparsedAddress":null}
Listing Changed: 3/23/2026 5:30:45 PM GMT
Source Updated Date: 3/24/2026 6:57:28 PM GMT

Courtesy of: Walters Luxury Group Gloria, Rachel and Michaela Walters, Ocean Sotheby's International Realty, gwalters@oceansir.com

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