158 Cobb Road, Water Mill, NY 11976 - Stonington Realty LLC

$10,500,000

New Construction Water Mill South Just completed by boutique custom builder Heartwood Corp, this 7-bedroom, 9-bathroom, 9,600-square-foot Water Mill South estate showcases signature craftsmanship and refined detail. Positioned on prestigious Cobb Road behind a motorized gate and enveloped by mature, professionally designed landscaping, the property offers a private… Read More retreat moments from Flying Point Beach and Southampton Village. A soaring two-story foyer introduces the open, light-filled layout, highlighted by architectural floor-to-ceiling millwork on a double-sided gas fireplace shared with the living room. The dining area flows into a fully outfitted butler’s pantry with sink, ice maker, wine refrigerator, and walk-in pantry. The chef’s kitchen blends elegance and performance with custom white oak and painted cabinetry, integrated luxury appliances, and a hybrid waterfall island ideal for entertaining. The first-floor junior suite features a private patio, two walk-in closets, and a large spa-inspired bath with double vanity and privacy-glass shower enclosure that welcomes natural light. The living room, kitchen, foyer, and junior suite all overlook the landscaped grounds and pool, creating seamless indoor-outdoor living. A mudroom with garage access and a powder room complete the main level. Upstairs, the primary suite is a tranquil sanctuary offering two walk-in closets, a luxurious bath with soaking tub, separate vanities, makeup station, and privacy-glass shower and water closet, plus a dedicated office and serene views. Four additional ensuite bedrooms, a bonus room, and a custom-outfitted laundry room complete the second floor. The lower level is designed for recreation, featuring a glass-enclosed wine cellar, den with wet bar and wine cooler, flexible gym/media/game space with exterior access, a private sauna with Bluetooth controls, a full bath with steam shower, powder room, and two guest or staff bedrooms. Outdoors, resort-style amenities include a heated saltwater Gunite pool with integrated spa and sundeck, outdoor shower, stainless-steel kitchen and bar, and a dedicated outdoor powder room for poolside convenience. Expansive patios and lush landscaping set the atmosphere for effortless summer living. With Wi-Fi–enabled smart-home capabilities, custom cabinetry, tailored closet systems, central vacuum, laundry on two levels, and a radiant-heated two-car garage, 158 Cobb Road embodies timeless sophistication, abundant natural light, and modern Hamptons craftsmanship. Read Less

Listing Courtesy of Corcoran, 516-514-0088.

Listing Snapshot

Days Online

Last Updated

Feb 10, 2026

Property Type

Single Family Residence

Beds

Full Baths

Partial Baths

Square Ft.

9,600

Year Built

2025

Property Tax

$15,015

MLS Number

937172

30 Days Snapshot Of 11976

$2.40M

+86%

(avg) sold price

home sold

273

+111%

(avg) days on market

Snapshot

Area Map

Additional Details

Appliances & Equipment

Description: "Convection Oven", "Dishwasher", "Dryer", "ENERGY STAR Qualified Appliances", "Freezer", "Gas Cooktop", "Gas Oven", "Gas Range", "Humidifier", "Other", "Oven", "Range", "Refrigerator", "Stainless Steel Appliance(s)", "Washer", "Wine Refrigerator"

Basement

Description: "Finished", "Full", "See Remarks", "Walk-Out Access"

Building

Area: 9600, Architecture: "Colonial", Construction Materials: "Other", Year Built: 2025

Cooling

Details: "Central Air"

Exterior Features

Patio Features: "Patio"

Garage

Garage Spaces: 2

Heating

Heating: "ENERGY STAR Qualified Equipment", "Hydro Air", "Natural Gas"

Laundry

Description: "In Basement", "Laundry Room", "Multiple Locations"

Lot

Acres: 0.53

Pool

Features: "In Ground", "Pool/Spa Combo", "Salt Water", Private Pool

Utilities

Sewer: "Septic Tank", Water Source: "Public", Utilities: "Electricity Connected", "Natural Gas Connected", "Water Connected"

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Debra A Chiappetta, Real Estate Broker

Debra A Chiappetta, Real Estate Broker