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12 Peconic Bay Ave, Southampton, NY 11968

$3,895,000

Beds

5
Baths

6.5
Acres

0.34
Sq. ft.

4,500 4.5K

Listing by Saunders & Associates (2287 Montauk Highway, Bridgehampton NY 11932)

Last Verified:

Apr 27, 2026

Highlights

Southampton New Construction with Deeded Beach Access

Set within Southampton's coveted bayside corridor, this 2026 new construction offers the easy luxury of a private street, deeded Peconic Bay beach access, and effortless proximity to waterfront dining. Built by Cusumano Custom Homes and designed by Ryan Kesner, the 4,500 +/- SF traditional residence offers 5 bedrooms, 6.5 baths, and a thoughtful modern layout on .34 acres. The main level features a bright great room, formal dining area, open-c

Home Details

Construction

Property type: Single-family

Property style: Traditional

New construction: Yes

Year built: 2026

Interior Details

Sq. ft: 4,500

Price per square foot: $866/sqft

Basement type: Full

Finished basement: Yes

Floors: Hardwood

Fireplaces: 2

Bedrooms & Bathrooms

Bedrooms: 5

Full bathrooms: 6

Half bathrooms: 1

Bathroom on first floor: Yes

Other Rooms

Breakfast area, Exercise room, Family room/den, Great room, Laundry room

Utilities

Heat type: Gas hot water

Central air conditioning: Yes

Financial Details

Price: $3,895,000

Taxes: -

Outdoor Details

Pool & Spa

Pool: Yes

Heated pool: Yes

Pool material: Gunite

Parking

Garage: Yes

Attached garage: Yes

Spaces in garage: 2

Outdoor Amenities

Tennis: No

Room for a tennis court: No

Water frontage/View: None / mainland

Outdoor Shower(s): No

Rights & Access

Beach rights: Yes

Lot Details

Lot size: 0.34 Acres

South of highway: No

Location

Nearby Beaches
- 2 miles
  North Sea Beach
- 5 miles
  Foster Memorial Town Beach
- 5 miles
  New Sufflok Beach
Nearby Transportation
- 4 miles
  Water Mill - Hamptons Luxury Liner
- 4 miles
  Water Mill - Hampton Jitney
- 4 miles
  Southampton - Hampton Jitney