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3645 and 3651 Soundview Avenue Peconic NY 11958US7 Bed, 5.00 Bath (4 Full Bath , 1 Half Bath), 4,600 square feet11983587
3645 and 3651 Soundview Avenue PeconicNY11958
6200000.0000 1/1/1900 12:00:00 AM
Compass
1 /

Courtesy of: Connie Liappas, Compass, connie.liappas@compass.com

3645 and 3651 Soundview Avenue
Peconic NY 11958 US

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1 /

Courtesy of: Connie Liappas, Compass, connie.liappas@compass.com

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3645 and 3651 Soundview Avenue
Peconic NY 11958 US

$6,200,000

Active Listing ID 11983587
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7 bed
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4,600 square feet
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5.00 Bath (4 Full , 1 Half)
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Lot: 3.24 Acres
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Other

$6,200,000

Active Listing ID 11983587
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3645 and 3651 Soundview Avenue Rare North Fork beachfront estate, shy 3.25 acre compound! The main house features over 3, 000 sq. ft. of living space and the beach house offers approximately 1, 600 sq. ft. A powder white sandy path leads to a gorgeous private beach with 116+ ft. of waterfront. Enjoy panoramic water views of the sparkling Long Island Sound and enchanting sunsets with this incredible property that presents a multitude of opportunities for its next owner. Listed as a compound and also separately: see 3645 Soundview Ave. (MLS #1007876) and 3651 Soundview Ave. (MLS #1009245). Please note that this compound listing reflects 3645 Soundview Avenue in fields where only one property's information can be displayed. Please note that combined information of both properties is also displayed where permissible.

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Property Features

  • Facts
  • Lot Size: 3.24 Acres
  • Property Type: Residential
  • Property Sub-type: Other
  • Features
  • Full Bathrooms: 4
  • 1/2 Bathrooms: 1
  • Additional Features
  • Fireplace
  • Waterfront

Property

  • propertytype: Residential
  • propertysubtype: Other
  • listprice: 6200000
  • unparsedaddress: 3645 and 3651 Soundview Avenue
  • postalcity: Peconic
  • stateorprovince: NY
  • country: US
  • postalcode: 11958
  • bathroomsfull: 4
  • bathroomshalf: 1
  • bathroomsonequarter: 0
  • bathroomsthreequarter: 0
  • lotsizeacres: 3.24
  • lotsizeunits: Acres
  • lotsizearea: 3.24
  • livingarea: 4600
  • livingareaunits: Square Feet
  • latitude: 41.059399
  • longitude: -72.465762
  • listagentfullname: Connie Liappas
  • listagentemail: connie.liappas@compass.com
  • listagentkey: 3yd-NYSMLS-149751
  • listagentmlsid: 149751
  • listofficekey: 3yd-NYSMLS-10427
  • listofficemlsid: 10427
  • disclaimer: Copyright © 2026 My State MLS. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.
  • sourcesystemid: NYSMLS
  • yearbuilt: 1986
  • listingcontractdate: 2026-09-16
  • countyorparish: Suffolk
  • parcelnumber: 0901-068.000-0001-014.000
  • highschooldistrict: 000000
  • fireplaceyn: True
  • transactiontype: ForSale
  • storiestotal: 0
  • parkingtotal: 0
  • waterfrontyn: True
  • franchiseaffiliation: None
  • rooms: Bathroom 5, Bedroom 5, Bedroom 2, Bathroom 2, Bedroom 7, Bathroom 4, Bedroom 4, Bedroom 1, Bathroom 3, Bedroom 6, Bathroom 1, Bedroom 3
  • dock: False
  • poolprivateyn: False
  • spayn: False
  • internetaddressdisplayyn: True
  • internetautomatedvaluationdisplayyn: True
  • internetconsumercommentyn: True
  • location: -72.46576, 41.0594
  • customfields: {"AdditionalInformation":{}, "AlternatePrices":[], "BrokerName":"Compass", "BuilderEmail":null, "BuilderFax":null, "BuilderPhone":null, "City":null, "Country":null, "CustomSourceId":null, "Expenses":[], "GeocodeOptions":null, "LeadRoutingEmail":"connie.liappas@compass.com", "ListBrokerageCity":"Westhampton Beach", "ListBrokerageCountry":"US", "ListBrokerageEmail":null, "ListBrokerageLogoUrl":null, "ListBrokerageName":"Compass", "ListBrokeragePhone":null, "ListBrokeragePostalCode":null, "ListBrokerageStateOrProvince":null, "ListBrokerageUnitNumber":null, "ListBrokerageUnparsedAddress":"145 Main Street", "ListBrokerageWebsiteUrl":null, "ListOfficeAddress1":" 145 Main Street", "ListOfficeAddress2":"", "ListOfficeBrokerMlsId":"10427", "ListOfficeCity":"Westhampton Beach", "ListOfficeCountry":"US", "ListOfficeEmail":null, "ListOfficePostalCode":"11978", "ListOfficeStateOrProvince":"NY", "ListPriceCurrencyType":"USD", "ListingTitle":"Residential, Peconic, NY", "ListingURL":"https://www.realtor.com/realestateandhomes-detail/3645-Soundview-Ave_Peconic_NY_11958_M40236-46502?f=listhub&s=NYSMLS&m=11983587&c=rexren", "MLSModificationTimestamp":"2026-09-25 17:33:37", "Neighborhoods":[], "PostalCode":null, "RoomCount":null, "StateOrProvince":null, "Taxes":[{"TaxAnnualAmount":29067, "TaxDescription":null, "TaxYear":null}], "UnitNumber":null, "UnparsedAddress":null}
Listing Changed: 9/25/2026 6:47:52 PM GMT
Source Updated Date: 9/26/2026 12:50:14 AM GMT

Courtesy of: Connie Liappas, Compass, connie.liappas@compass.com

Copyright © 2026 My State MLS. 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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