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421 Edge of Woods Road

Water Mill, NY, 11976

$5,595,000
5Bedrooms
9Bathrooms
7,635Interior sq ft
2.5Acres
2019Year built

AN INTRODUCTION

A closer look.

Privately set at the end of a long driveway on approximately 2.5 acres in Water Mill, this private Water Mill estate combines scale, privacy and resort-style living with convenient access to Southampton Village, ocean beaches, dining and shopping. Built in 2019, the approximately 7,635-square-foot residence offers 5 bedrooms, 8 full baths and 1 half bath across three finished levels, complemented by two separate pool houses and an oversized 3-car garage. The main level is designed for both everyday living and entertaining, with an expansive gourmet kitchen featuring fully integrated Thermador appliances, oversized paneled refrigeration, wine refrigerator and radiant-heated floors, opening to generous living and dining spaces. Three gas fireplaces add warmth throughout the home. Upstairs, two spacious primary suites each feature private balcony access, dual closets, luxurious baths and radiant-heated floors, joined by two additional bedrooms and a dedicated laundry room. The finished lower level provides substantial additional living space with a large recreation area, fifth bedroom and full bath, ideal for guests, fitness, media or play. Outdoors, the property unfolds into a private Hamptons retreat centered around a heated gunite pool, expansive bluestone patios and multiple areas for lounging, dining and entertaining. Two approximately 370-square-foot accessory pool houses further elevate the setting—one with a full kitchen, lounge, and bath, and the second offering flexible finished space well suited for a home office, gym, yoga studio, art studio or playroom. Additional highlights include an owned rooftop solar system, whole-property fiber-optic Wi-Fi coverage extending to the pool and accessory buildings, bedroom blackout shades, and a dedicated elevator bay designed for future installation. A rare combination of privacy, versatility and Hamptons lifestyle in an exceptional Water Mill setting.

Property overview

Property type
Single Family Residence
Architecture
Colonial
Year built
2019
Lot size (sq ft)
108,029
Status
Active
Listed
2026-09-09
MLS number
KEY1048083

Interior & comfort

Interior features
First Floor Full Bath, Beamed Ceilings, Chefs Kitchen, Eat-in Kitchen, Formal Dining, High Ceilings, His and Hers Closets, Kitchen Island, Open Floorplan, Primary Bathroom, Soaking Tub, Storage, Walk-In Closet(s)
Appliances
Dishwasher, Gas Range, Oven, Refrigerator, Washer, Wine Refrigerator
Heating
Propane, Radiant Floor
Cooling
Central Air
Basement
Finished, Full
Fireplaces
3

Outdoors & amenities

Exterior features
Balcony, Gas Grill, Playground
Parking
Attached, Driveway, Garage
Garage spaces
3
Pool
In Ground, Outdoor Pool

Schools & location

Postal town
Water Mill
County
Suffolk County
School district
Southampton
Elementary school
Southampton Elementary School
Middle school
Southampton Intermediate School
High school
Southampton High School

Taxes & utilities

Annual property taxes
$8,854
Tax year
2026
Association
No
Water
Public
Sewer
Septic Tank

Listing courtesy of BERKSHIRE HATHAWAY · 516-224-4600
MLS #KEY1048083 · Active