About This Home

This 7-bedroom, 9-bathroom single family at 158 Cobb Road in Water Mill, NY is listed for $9,975,000 ($1,039 per sqft). Built in 2025, the home offers 9,600 sqft of living space on a 0.53 acres lot.

Key Features

  • Built in 2025
  • 0.53 acre lot
  • Private pool
  • Fireplace

Property Details

6 full, 3 half
2-car garage
2025

Amenities

PoolFireplaceSpaA/C
Listing Description

New Construction | Water Mill South Experience exceptional Hamptons living in this new construction luxury estate in coveted Water Mill South, moments from Flying Point Beach and Southampton Village. Thoughtfully designed for sophisticated year-round living and effortless summer entertaining, this turnkey residence offers exceptional craftsmanship, refined interiors, and a resort-style outdoor oasis.

Built by boutique custom builder Heartwood Corp, this 7-bedroom, 9-bathroom, 9,600-square-foot estate showcases signature craftsmanship and meticulous attention to detail. Positioned on prestigious Cobb Road behind a motorized gate and enveloped by mature, professionally designed landscaping, the property offers an exceptional sense of privacy.

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.

Monthly Cost Estimate

$53,348/mo

20% down · 6.5% · 30 years

Principal$7,214
Interest$43,225
Insurance$2,909

Estimates only. Actual payments may vary.

Location

158 Cobb Road

Water Mill, NY 11976

Features & Amenities

Interior Features

First Floor BedroomFirst Floor Full BathBuilt-in FeaturesCentral VacuumChandelierChefs KitchenDouble VanityEat-in KitchenEntrance FoyerHigh CeilingsHis and Hers ClosetsIn-Law FloorplanKitchen IslandNatural WoodworkOpen KitchenPantryPrimary BathroomMaster DownstairsSoaking TubWalk-In Closet(s)Wet BarWired for Sound

Property Details

Pool Features

Pool

Outdoor Features

Patio

Parking

DrivewayGarage

Heating

Energy Star Qualified Equipment (Heating)Natural Gas

Cooling

Central Air

Appliances

Convection OvenDishwasherDryerENERGY STAR Qualified AppliancesFreezerGas CooktopGas OvenGas RangeHumidifierOvenRangeRefrigeratorStainless Steel Appliance(s)WasherWine Refrigerator

Questions & Answers

This 7-bedroom, 9-bathroom single family at 158 Cobb Road is listed at $9,975,000 ($1,039/sqft). The estimated monthly payment is $53,348 based on 20% down, a 30-year loan at 6.5% interest, estimated insurance.

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.

NA

Nicholas Amato

Agent at Corcoran

Listed by Corcoran · Broker phone: (631) 288-6900 · View on Broker Site

MLS# 937172· Source: OneKey MLS· 342 days on PropertySimple

Copyright © 2026 OneKey MLS. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.

158 Cobb Road, Water Mill, NY 11976

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