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343 Great Hill Rd, Southampton, NY 11968

$8,950,000

Beds

8
Baths

7+
Acres

1.35
Sq. ft.

9,941 9.94K

Listing by Bespoke Real Estate (903 Montauk Highway, Water Mill NY 11976)

Last Verified:

Sep 15, 2026

Highlights

Modern New Construction in Southampton

Set on 1.35 acres+/-, this newly constructed Southampton residence by M & M Custom Homes spans approximately 10,000 SF+/- with 8 bedrooms, 7 full and 2 half baths across three finished levels, along with an elevator, two-car garage, heated Gunite pool and spa, and all-weather tennis court. Designed by architect Michael Dunn, it is the second in a collection of three new homes taking shape in this intimate setting. Expansive interiors, cont

Home Details

Construction

Property type: Single-family

Property style: Modern

New construction: Yes

Year built: 2026

Interior Details

Sq. ft: 9,941

Price per square foot: $900/sqft

Finished basement: Yes

Stories: 3

Floors: Hardwood

Fireplaces: 2

Bedrooms & Bathrooms

Bedrooms: 8

Full bathrooms: 7

Half bathrooms: 2

Bathroom on first floor: Yes

Primary bedroom on first floor: Yes

Other Rooms

Exercise room, Family room/den, Laundry room

Utilities

Central air conditioning: Yes

Tv/cable/satellite: Yes

Financial Details

Price: $8,950,000

Taxes: -

Outdoor Details

Pool & Spa

Pool: Yes

Heated pool: Yes

Pool material: Gunite

Hot tub: Yes

Parking

Garage: Yes

Attached garage: Yes

Spaces in garage: 2

Outdoor Amenities

Tennis: Yes

Water frontage/View: None / mainland

Outdoor Shower(s): No

Lot Details

Lot size: 1.35 Acres

South of highway: No

Location

Nearby Transportation
- 2 miles
  Southampton - Hampton Jitney
- 3 miles
  Water Mill - Hamptons Luxury Liner
- 3 miles
  Water Mill - Hampton Jitney
Nearby Beaches
- 3 miles
  North Sea Beach
- 4 miles
  Flying Point Beach
- 4 miles
  W. Scott Cameron Beach