Active
3645 and 3651 Soundview Avenue
Peconic, NY, 11958
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AN INTRODUCTION
A closer look.
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 but also separately: see 3645 Soundview Ave - the main house (MLS #1007876) and 3651 Soundview Ave - the beach house (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.
Property overview
- Property type
- Single Family Residence
- Architecture
- Colonial
- Year built
- 1986
- Lot size (sq ft)
- 141,134
- Status
- Active
- Listed
- 2026-09-24
- MLS number
- KEY1049858
Interior & comfort
- Interior features
- First Floor Bedroom
- Appliances
- Dishwasher, Dryer, Freezer, Range, Refrigerator, Washer
- Heating
- Electric, Heat Pump, Oil
- Cooling
- Central Air, Ductless, Multi Units
- Basement
- Full
Outdoors & amenities
- Parking
- Attached, Detached, Driveway
- Garage spaces
- 3
- Waterfront
- Beach Access, Beach Front, Sound, Water Access, Waterfront
- Views
- Open, Panoramic, Trees/Woods, Water
Schools & location
- Postal town
- Peconic
- County
- Suffolk County
- School district
- Mattituck-Cutchogue
- Elementary school
- Mattituck-Cutchogue Elementary Sch
- Middle school
- Mattituck Junior-Senior High School
- High school
- Mattituck Junior-Senior High School
Taxes & utilities
- Annual property taxes
- $29,067
- Tax year
- 2026
- Association
- No
- Water
- Well
- Sewer
- Cesspool
Listing courtesy of Compass Greater NY LLC · 516-214-7761
MLS #KEY1049858 · Active