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About This Home
This 7-bedroom, 9-bathroom single family at 158 Cobb Road in Water Mill, NY is listed for $10,500,000 ($1,094 per sqft). Built in 2025, the home offers 9,600 sqft of living space on a 0.53 acres lot.
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 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.
Key Features
- Built in 2025
- 0.53 acre lot
- Private pool
- Fireplace
Property Details
Amenities
Monthly Cost Estimate
$56,156/mo
20% down · 6.5% · 30 years
Estimates only. Actual payments may vary.
Location
158 Cobb Road
Water Mill, NY 11976
Features & Amenities
Interior Features
Property Details
Pool Features
Parking
Heating
Cooling
Appliances
Questions & Answers
This 7-bedroom, 9-bathroom single family at 158 Cobb Road is listed at $10,500,000 ($1,094/sqft). The estimated monthly payment is $45,500 based on 20% down at 6.5% interest.
Key features include: Built in 2025, 0.53 acre lot, Private pool, Fireplace. Interior Features: First Floor Bedroom, First Floor Full Bath, Built-in Features.
This property is listed by Nicholas Amato and can be reached at 5165140088 or namato@corcoran.com.













































