3645 Soundview Avenue • Peconic, NY 11958

$3,300,000 • Beds: 4 • Baths: 2 full 1 partial • Sq. Feet: 3028 • MLS ID: 1007876 • Subdivision: • School Dist: Mattituck-Cutchogue
North Fork retreat! A powder white sandy path leads to a gorgeous private beach offering 116 ft. of waterfrontage while incredible sparkling Sound views, sunsets, and lush greenery set this property apart. Enjoy water views from the open concept main level and the expansive 800+ sq. ft. rear deck - perfect for lounging, al fresco dining and taking in the fresh sea air. With over 3,000 sq. ft. of living space and an unfinished basement that offers an additional shy 1,000 sq. ft. without the 2-car attached garage, there is ample space for entertaining and to accommodate large gatherings. The first level includes a living/dining room and kitchen that flow seamlessly into one another while walls of glass allow natural light to saturate the space and provide access to the deck. There is also a bonus room conveniently located on the first floor. The second level boasts an oversized 800+ sq. ft. primary suite - also with gleaming water views, which can be divided into two ensuites. Two additional bedrooms and a full bath complete this level. All baths are updated and there are new HVAC and water filtrations systems in place. There is oil heat with the oil tank located in the basement. This property is also offered as a compound. See 3651 Soundview Ave. View this listing at: http://www.laffey.com/lid=189045296

Property Features

  • Garage: 2
  • Taxes: $18,226
  • Basement: Yes
  • Wooded: Yes
  • Exterior: Stucco
  • Special View Info: Open,Panoramic,Trees/Woods,Water
  • Lot Size: 1.75 Acres
  • Heating: Oil
  • Cooling: Central Air
  • Year Built: 1986
  • Fireplaces: 2
  • Water: Well
  • Sewer: Cesspool
  • On Market Date: 2026-08-29
  • Appliances: Dishwasher,Dryer,Freezer,Range,Refrigerator,Washer
  • Basement: Unfinished
  • Building Area Total: 4000
  • Exterior Features: Fire Pit
  • Fireplace Features: Bedroom,Family Room
  • Fireplace Y/N: Yes
  • Flooring: Hardwood,Tile
  • GarageY/N: Yes
  • Interior Features: First Floor Full Bath,Breakfast Bar,Entrance Foyer,Open Floorplan,Open Kitchen,Primary Bathroom
  • Laundry: Laundry Room
  • Lot Features: Level,Part Wooded,Private,Secluded,Views
  • Attic: Pull Stairs
  • Number Of Kitchens: 1
  • Heating Zones: 2
  • Parcel Number: 1000-068-00-01-00-014-001
  • Parking Features: Attached,Driveway
  • Patio And Porch: Deck
  • Rental Term: Monthly
  • Rooms Total: 8
  • Utilities: Cable Available,Electricity Connected,Trash Collection Private,Water Connected
  • Waterfront Features: Beach Access,Sound,Water Access
  • Beach Rights: Y
  • Window Features: Oversized Windows,Wall of Windows

School Information

  • High School: Mattituck Junior-Senior High School
  • Middle School: Mattituck Junior-Senior High School
  • Elementary School: Mattituck-Cutchogue Elementary Sch
  • School District: Mattituck-Cutchogue
Printed October 22, 2026


Disclaimer: All information deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. Neither listing broker(s) or information provider(s) shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless. Listing(s) information is provided for consumers personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information on this site was last updated 10/22/2026. The listing information on this page last changed on 10/22/2026. The data relating to real estate for sale on this website comes in part from the Internet Data Exchange program of Delta Media Group MLS (last updated Thu 10/22/2026 12:20:53 AM EST) or OneKey MLS (last updated Thu 10/22/2026 12:14:25 AM EST). Real estate listings held by brokerage firms other than Laffey Real Estate may be marked with the Internet Data Exchange logo and detailed information about those properties will include the name of the listing broker(s) when required by the MLS. All rights reserved.

mls logo
Listing data and photos distributed by MLSGRID
Member Participants (and their affiliated licensees, if applicable) shall indicate on their websites that IDX information is provided exclusively for consumers’ personal non-commercial use, that it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing, that the data is deemed reliable but is not guaranteed by MLS GRID, and that the use of the MLS GRID Data may be subject to an end user license agreement prescribed by the Member Participant’s applicable MLS if any and as amended from time to time. MLS GRID may, at its discretion, require use of other disclaimers as necessary to protect Member Participant, and/or their MLS from liability.
Based on information submitted to the MLS GRID. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information.



Privacy Policy / DMCA Notice / ADA Accessibility