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258 W Seaview Circle
Duck Key FL 33050 US

$4,250,000

Active Listing ID 617294
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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

$4,250,000

Active Listing ID 617294
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258 W Seaview Circle An Oceanfront Masterpiece with Infinite Horizons Commanding a premier position above the crystal-clear waters of the Atlantic, this exceptional open-water estate represents the pinnacle of refined island living. With its highly sought-after southern exposure, 258 W Seaview Circle is immersed in golden sunlight throughout the day, offering uninterrupted panoramic ocean views and the gentle cadence of waves just steps from the residence. Beyond the protective breakwater, a pristine sandy shoreline and natural sandbar unfold-an idyllic extension of your private coastal sanctuary. Designed to seamlessly balance sophisticated entertaining with effortless relaxation, the estate features an impressive 112-foot bi-level dock and seawall, perfectly suited for the discerning boating enthusiast. The oceanfront terrace is anchored by a striking 50-foot lap pool, elevated eight feet above sea level to maximize views and serenity. Framed by a charming Tiki hut, lush tropical landscaping, and curated ambient lighting, the outdoor living spaces transform into an enchanting seaside retreat as evening falls. Inside, classic craftsmanship is paired with modern elegance. This four-bedroom, three-and-a-half-bath residence offers a coral rock fireplace, private elevator, and a generously proportioned gourmet chef's kitchen designed for both everyday indulgence and elevated culinary experiences. Every detail-from the architectural finishes to the meticulously maintained grounds-reflects exceptional care, quality, and pride of ownership. Whether hosting intimate gatherings beneath the stars, savoring tranquil mornings overlooking endless blue horizons, or setting out for a day on the water, 258 W Seaview Circle delivers an unrivaled lifestyle in Duck Key, widely regarded as the Middle Keys' most prestigious enclave. Residents enjoy access to two marinas, watersports, and local dining within this charming, golf cart-friendly island community.

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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: Heat Pump, Central Air
  • Exterior Finish: Chickee Hut
  • Floor Covering: Tile
  • Roof Type: Tile
  • Heating Fuels: Central, Fireplace(s)
  • Additional Features
  • Fireplace
  • Patio
  • Pool
  • Waterfront

Property

  • propertytype: Residential
  • propertysubtype: Single Family Residence
  • listprice: 4250000
  • unparsedaddress: 258 W Seaview Circle
  • postalcity: Duck Key
  • stateorprovince: FL
  • country: US
  • postalcode: 33050
  • bathroomsfull: 3
  • bathroomshalf: 1
  • bathroomsonequarter: 0
  • bathroomsthreequarter: 0
  • lotsizeacres: 0.23
  • lotsizeunits: Acres
  • lotsizearea: 0.23
  • livingarea: 2854
  • livingareaunits: Square Feet
  • latitude: 24.766721
  • longitude: -80.918378
  • listagentfullname: Brenner Scheel Casey
  • listagentemail: flakeysrealestategroup@gmail.com
  • listagentkey: 3yd-MLKARFL-20260103165710310680000000
  • listagentmlsid: 200
  • listagentpreferredphone: 3057833395
  • listagentofficephone: 3057833395
  • listofficekey: 3yd-MLKARFL-20170803193027566074000000
  • listagentstatelicense: BK339103, BK3179545, SL3504409
  • listofficemlsid: 1055699
  • disclaimer: Copyright © 2026 Marathon and Lower Keys Association 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: MLKARFL
  • yearbuilt: 1985
  • listingcontractdate: 2025-11-07
  • listagenturl: http://flakeysrealestategroup@gmail.com
  • countyorparish: Monroe
  • parcelnumber: 00382680-000000
  • appliances: Washer, Dryer, Dishwasher, Refrigerator, Range, Oven, Microwave, Stainless Steel Appliance(s)
  • cooling: Heat Pump, Central Air
  • constructionmaterials: CBS
  • flooring: Tile
  • heating: Central, Fireplace(s)
  • fireplaceyn: True
  • transactiontype: ForSale
  • storiestotal: 0
  • parkingtotal: 0
  • parkingfeatures: Open
  • roof: Tile
  • view: Water, Ocean
  • waterfrontyn: True
  • franchiseaffiliation: Independent
  • interiorfeatures: Granite Counter Top, Elevator, Storage
  • exteriorfeatures: Chickee Hut
  • waterfrontfeatures: Ocean Front
  • rooms: Bedroom 2, Bedroom 4, Bathroom 2, Bedroom 3, Bathroom 3, Bathroom 4, Bedroom 1, Bathroom 1
  • otherstructures: Storage
  • utilities: Cable Available
  • patioandporchfeatures: Porch, Patio
  • accessibilityfeatures: Accessible Elevator Installed
  • dock: False
  • poolprivateyn: True
  • spayn: False
  • internetaddressdisplayyn: True
  • internetautomatedvaluationdisplayyn: False
  • internetconsumercommentyn: True
  • location: -80.91838, 24.766722
  • openhouse: { "AppointmentRequiredYN": false, "ListingKey": "3yd-MLKARFL-617294", "OpenHouseEndTime": "2026-06-27 13:00:00", "OpenHouseId": "5885088", "OpenHouseRemarks": "DUCK KEY Huge Oceanfront Estate with coastline views, oversized swimming pool, boat lift, elevator and so much more. Come and see for yourself!", "OpenHouseStartTime": "2026-06-27 11:00:00", "OpenHouseType": null, "VirtualOpenHouseURL": null }
  • customfields: {"AdditionalInformation":{}, "AlternatePrices":[], "BrokerName":"Florida Keys Real Estate Group", "BuilderEmail":null, "BuilderFax":null, "BuilderPhone":null, "City":null, "Country":null, "CustomSourceId":null, "Expenses":[], "GeocodeOptions":null, "LeadRoutingEmail":"flakeysrealestategroup@gmail.com", "ListBrokerageCity":"Marathon", "ListBrokerageCountry":"US", "ListBrokerageEmail":"duckkeyfl7@gmail.com", "ListBrokerageLogoUrl":null, "ListBrokerageName":"Florida Keys Real Estate Group", "ListBrokeragePhone":"(305) 664-1453", "ListBrokeragePostalCode":"33050", "ListBrokerageStateOrProvince":"FL", "ListBrokerageUnitNumber":null, "ListBrokerageUnparsedAddress":"11287 Overseas Highway", "ListBrokerageWebsiteUrl":"https://www.floridakeysrealestategroup.com/", "ListOfficeAddress1":"11287 Overseas Highway ", "ListOfficeAddress2":null, "ListOfficeBrokerMlsId":"20170803193027566074000000", "ListOfficeCity":"Marathon", "ListOfficeCountry":"US", "ListOfficeEmail":"duckkeyfl7@gmail.com", "ListOfficePostalCode":"33050", "ListOfficeStateOrProvince":"FL", "ListPriceCurrencyType":"USD", "ListingTitle":"SINGLE_FAMILY - Duck Key, FL", "ListingURL":"https://www.realtor.com/realestateandhomes-detail/258-W-Seaview-Cir_Duck-Key_FL_33050_M58764-82746?f=listhub&s=MLKARFL&m=617294&c=rexren", "MLSModificationTimestamp":"2026-06-28 06:45:24", "Neighborhoods":[{"Description":null, "Name":"Plantation Island (61.0)"}], "PostalCode":null, "RoomCount":null, "StateOrProvince":null, "Taxes":[{"TaxAnnualAmount":9764, "TaxDescription":"BK 2 LT 3 DUCK KEY PLANTATION ISLAND SEC 3 PART 2 TOMS HARBOR", "TaxYear":"2024"}], "UnitNumber":null, "UnparsedAddress":null}
Listing Changed: 7/11/2026 3:15:27 AM GMT
Source Updated Date: 7/12/2026 12:43:58 AM GMT

Courtesy of: Brenner Scheel Casey, Florida Keys Real Estate Group, flakeysrealestategroup@gmail.com

Copyright © 2026 Marathon and Lower Keys Association 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.