3645 And 3651 Soundview Avenue, Peconic, NY

$6,200,000

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7

Beds

5

Baths

4,628

Square feet

3.24

Acres

About 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 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.

Open House

Fri, Oct 9th, 2026 @ 5pm - 6:30pm
Sat, Oct 10th, 2026 @ 11:30am - 1:30pm
Tue, Oct 13th, 2026 @ 11:30am - 1pm

Features of 3645 And 3651 Soundview Avenue

MLS® # 1049858
Price $6,200,000
Bedrooms 7
Bathrooms 5.00
Full Baths 4
Half Baths 1
Square Footage 4,628
Square Footage 141134
Acres 3.24
Year Built 1986
Type Residential
Sub-Type Single Family Residence
Style Colonial
Status Active

Community Information

Address 3645 And 3651 Soundview Avenue
City Peconic
County Suffolk County
State NY
Zip Code 11958

Amenities

Horse Property No
Utilities Electricity Connected, Trash Collection Private, Water Connected
Parking Attached, Detached, Driveway
# of Garages 3
View Open, Panoramic, Trees/Woods, Water
Is Waterfront Yes
Waterfront Beach Access, Beach Front, Sound, Water Access, Waterfront
Has Pool No

Interior

Interior Hardwood, Tile
Interior Features First Floor Bedroom
Appliances Dishwasher, Dryer, Freezer, Range, Refrigerator, Washer
Heating Electric, Heat Pump, Oil
Cooling Central Air, Ductless, Multi Units
Fireplace Yes
Has Basement Yes
Basement Full

Exterior

Construction Frame, Stucco

School Information

District Mattituck-Cutchogue
Elementary Mattituck-Cutchogue Elementary Sch
Middle Mattituck Junior-Senior High School
High Mattituck Junior-Senior High School

Additional Information

Date Listed September 19th, 2026
Days on Market 14
Taxes $29,067
Short Sale No
RE / Bank Owned No

Listing Details

OfficeCompass Greater NY LLC
Contact Info516-214-7761

Listing Map

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