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For sale
  • Price cut: $500K (1/29)
    $12,995,000

    54 Cobb Isle Rd, Water Mill, NY 11976

    6beds
    7,000sqft
    Single Family Residence
    Built in 2003
    1.3 Acres Lot
    $12,264,000 Zestimate®
    $1,856/sqft
    $-- HOA

    What's special

    Waterfront estateFive additional ensuite bedroomsWaterside heated gunite poolDramatic curved staircaseFloor-to-ceiling limestone fireplaceVenetian plasterDeeded dock access
    Wrapped in breathtaking views over Mecox Bay and the Atlantic Ocean, this perfectly positioned waterfront estate delivers the very best of coastal contemporary luxury in the Hamptons. Located South of the Highway in Water Mill, 54 Cobb Isle Road is an idyllic property designed for inspiration, featuring an unmatched setting and vantage, luxurious lifestyle amenities, and enduring elegance. Stated simply, this is a rare offering of timeless luxury, capturing the truest essence of Hamptons waterfront living - where legacy, lifestyle, and location converge. Exceptionally private, this 1.3 +/- acre property is accessed down a long-gated drive and boasts 325' feet of direct water frontage, the expansive custom-built estate offers a purposefully designed open floorplan to capture and showcase awe-inspiring views from nearly every room. Spanning 7,000 +/- sq. ft. of luxurious, custom-built living space, with 6 ensuite bedrooms, 9 full baths, waterside heated gunite pool, climate-controlled 3-car garage, 2 state-of-the-art kitchens, and deeded dock access. Interiors are a masterclass in craftsmanship, quality, and care - highlighted by French limestone, Venetian plaster, a dramatic curved staircase, and floor-to-ceiling limestone fireplace. The two premium kitchens, along with multiple spaces for formal and al fresco dining, welcome everyday living and grand entertaining. The primary suite is a sanctuary, complete with two sitting rooms, dual fireplaces, a private gym, and an ultra-luxe spa bath. Five additional ensuite bedrooms showcase the property's natural beauty and are well-equipped for impressive accommodation. Enjoy resort-like living with a waterside heated gunite pool that captures brilliant water views, lush gardens and specimen plantings, an outdoor shower, and ample living and dining space perfect for entertaining. The pool terrace conveniently connects to the first-level kitchen, ensuring a seamless flow between indoor and outdoor gatherings. A rare investment in the irreplaceable beauty of nature, with no comparable property in the Hamptons, your fully realized luxury lifestyle is available immediately, without the multi-year permitting and construction barriers. The estate effortlessly balances peaceful seclusion with convenient proximity, just 2.6 +/-miles from Southampton's Main Street and 1.6 +/- miles from the captivating shores of Flying Point Beach. Deeded dock access welcomes a boat, paddleboards, or a jet ski for adventures to some of the Hamptons' most notable beaches, with quick access to Scott Cameron Beach, Flying Point Beach, and Mecox Beach. For a lifestyle of uncompromised luxury, for those who seek what cannot be recreated, for those ready to embrace the Hamptons now and for generations, 54 Cobb Isle Road in Water Mill stands alone.
    154 days
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    797
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    24
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    Zillow last checked: 7 hours ago

    Listing by:

    Saunders & Associates 631-458-4879,

    Vincent Horcasitas - Associate Real Estate Broker 516-768-7330

    Source: Out East,MLS#: 391900

    Tour with a local agent

      Facts & features

      Interior

      Bedrooms & bathrooms
      • Bedrooms: 6
      • Bathrooms: 9
      • Full bathrooms: 9
      Rooms
      • Room types: Family Room, Laundry
      Features
      • Basement: Yes
      • Has fireplace: Yes
      Interior area
      • Total structure area: 7,000
      • Total interior livable area: 7,000 sqft

      Property

      Parking
      • Parking features: None
      Features
      • Stories: 2
      • Has private pool: Yes
      • Pool features: Heated
      • Has view: Yes
      • View description: Water
      • Has water view: Yes
      • Water view: Water
      • Waterfront features: Waterfront
      • Frontage type: Waterfront
      Lot
      • Size: 1.3 Acres
      Details
      • Parcel number: 0900160000300011002

      Construction

      Type & style
      • Home type: SingleFamily
      • Property subtype: Single Family Residence
      Condition
      • New construction: No
      • Year built: 2003

      Community & HOA

      Location
      • Region: Water Mill

      Financial & listing details

      • Price per square foot: $1,856/sqft
      • Tax assessed value: $5,902,000
      • Date on market: 11/6/2025
      • Lease term: Contact For Details

        Estimated market value

        $12,264,000

        $11.65M - $12.88M

        $6,242/mo

        Price history

        Price history
        DateEventPrice
        1/29/2026Price change$12,995,000-3.7%$1,856/sqft
        Source: Out East #391900 Report a problem
        11/6/2025Listed for sale$13,495,000$1,928/sqft
        Source: Out East #391900 Report a problem
        10/28/2025Listing removed$13,495,000$1,928/sqft
        Source: Out East #388385 Report a problem
        5/3/2025Listed for sale$13,495,000-3.6%$1,928/sqft
        Source: Out East #388385 Report a problem
        4/18/2025Listing removed$13,995,000$1,999/sqft
        Source: Out East #375123 Report a problem
        5/16/2024Price change$13,995,000-6.4%$1,999/sqft
        Source: Out East #375123 Report a problem
        4/22/2024Price change$14,950,000-3.5%$2,136/sqft
        Source: Out East #375123 Report a problem
        10/16/2023Price change$15,495,000-8.6%$2,214/sqft
        Source: Out East #375123 Report a problem
        7/7/2023Listed for sale$16,950,000-3.1%$2,421/sqft
        Source: Out East #375123 Report a problem
        5/17/2023Listing removed--
        Source: Out East Report a problem
        11/16/2022Price change$17,500,000-5.4%$2,500/sqft
        Source: Out East #366570 Report a problem
        6/1/2022Listed for sale$18,500,000$2,643/sqft
        Source: Out East #366570 Report a problem

        Public tax history

        Public tax history
        YearProperty taxesTax assessment
        2024-- $5,902,000
        2023-- $5,902,000
        2022-- $5,902,000
        2021-- $5,902,000
        2020-- $5,902,000
        2019-- $5,902,000 +1.4%
        2018-- $5,818,700
        2017$26,430 $5,818,700
        2016-- $5,818,700
        2015-- $5,818,700
        2014-- $5,818,700
        2013-- $5,818,700
        2012-- $5,818,700
        2011-- $5,818,700
        2010-- $5,818,700 +7.8%
        2009-- $5,398,600
        2008-- $5,398,600
        2007$23,560 +19%$5,398,600 +52%
        2005$19,799 -0.1%$3,551,808 +6556.3%
        2004$19,817 +6.1%$53,360 +1.3%
        2003$18,677 +49.3%$52,688 +46.2%
        2002$12,506 $36,044

        Find assessor info on the county website

        Monthly payment

        Estimated monthly payment
        All calculations are estimates and provided by Zillow, Inc. for informational purposes only. Actual amounts may vary.
        HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.
        Mortgage interest rates are dependent on a number of factors, including credit score, down payment, and repayment length. Interest rate data provided by Zillow Group Marketplace, Inc. as of 1/1/1970 from various mortgage lenders with which we have lead or other similar arrangements; the Estimated Payment is an average of those rates.
        See how much you could borrow to make a competitive offer.

        Climate risks

        Neighborhood: 11976

        Getting around

        2 / 100
        Car-Dependent
        28 / 100
        Somewhat Bikeable

        Nearby schools

        GreatSchools rating

        Local experts in 11976

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