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    1 home
      1 home available
      901 Old Sag Harbor Road, Water Mill, NY 11976
      NEW 17 hrs ago
      901 Old Sag Harbor Road, Water Mill, NY 11976
      $1,880,000
      1.99acres
      Land for Sale

      901 Old Sag Harbor Road, Water Mill, NY 11976

      Listing by: B Square Realty
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      Display of MLS Data is usually deemed reliable but is NOT guaranteed accurate by the MLS. Buyers are responsible for verifying the accuracy of all information and should investigate the data themselves or retain appropriate professionals.
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      OneKey® MLS
      901 Old Sag Harbor Road, Water Mill, NY 11976
      901 Old Sag Harbor Road, Water Mill, NY 11976
      901 Old Sag Harbor Road, Water Mill, NY 11976
      901 Old Sag Harbor Road, Water Mill, NY 11976
      NEW 17 hrs ago
      $1,880,000
      1.99acres

      901 Old Sag Harbor Road, Water Mill, NY 11976

      City/Town:Water Mill   Post Office: Water Mill     

      Land for Sale by Zhun ZhangB Square Realty.

      Data checked -. Listing last updated 13 hours ago.
      1. Overview
      2. Details
      3. More 

      Premier Development Opportunity in Southampton, NY 11976 Nestled in one of the Hamptons’ most coveted hamlets, this exceptional Water Mill development site offers the rare opportunity to create a world-class estate in a serene and prestigious setting. Located minutes from ocean beaches, farm fields, luxury dining, and Southampton Village, the property pairs privacy with unparalleled convenience. Set on expansive grounds, the site provides the ideal canvas for an architecturally significant residence, resort-style pool, pool house, tennis, and extensive landscaping. Its generous building envelope allows for a substantial home while maintaining the natural beauty and open feel that defines Water Mill living. The property benefits from level terrain, mature perimeter trees, and the potential for sweeping southern light throughout the day. Whether envisioned as a modern masterpiece, a traditional Hamptons retreat, or a long-term investment, this parcel presents limitless possibilities in a location known for exclusivity and enduring value. A unique offering for developers, investors, or end-users seeking a signature Hamptons compound. Opportunities of this caliber in Water Mill 11976 are increasingly rare. Create your dream estate on one of the area’s most desirable development parcels.

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      Details
        Property type
      Land
        City/Town
      Water Mill
        Post Office
      Water Mill
      955606
      MLS ID
      Active
      Status
      01/26/2026
      On Market Date
        View
      Exterior features
      Lot features
      Monthly taxes
      $359
      Yearly taxes
      $4,313
      School district
      Southampton
      Schools
      Southampton Elementary School, Southampton Intermediate School, Southampton High School
      Open Houses
      In-Person
      No upcoming in-person open houses
      Virtual
      No upcoming virtual open houses
      Contact Agent
      Zhun Zhang
      Zhun Zhang
      Associate Real Estate Broker, B Square Realty
      Direct Number 
       
      Location
      For Sale Nearby
      No nearby homes are For Sale Nearby.
      Recently Sold
      No nearby homes have been Recently Sold.
      901 Old Sag Harbor Road, Water Mill, NY 11976, is a Unimproved Land built in . This property is currently available for sale and was listed on OneKey® MLS on 1-26-2026. The MLS# for this Unimproved Land is MLS# 955606.
      Display of MLS Data is usually deemed reliable but is NOT guaranteed accurate by the MLS. Buyers are responsible for verifying the accuracy of all information and should investigate the data themselves or retain appropriate professionals.
      Copyright ©2026