




54 Cobb Isle Rd, Water Mill, NY, 11976
About This Home
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.
Getting Around
Schools
Construction
Condition
- Year built: 2003
Type & Style
- Home type: SingleFamily
- Property subType: Single Family Residence
Interior
Basement
- Has basement: Yes
- Basement: Yes
Bedrooms & Bathrooms
- Bedrooms: 6
- Bathrooms: 9
- Full bathrooms: 9
Features
- Fireplace: Yes
Interior Area
- Total structure area: 7,000
- Total interior livable area: 7,000 sqft
Property
Details
- Parcel number: 0900160000300011002
Features
- Stories: 2
- Private pool: Yes
- Pool features: Heated
- Has view: Yes
- View description: Water
- Has water view: Yes
- Water view: Water
- On waterfront: Yes
- Waterfront features: Waterfront
- Frontage type: Waterfront
Lot
- Lot size: 1.30 Acres
Parking
- Parking features: None
Climate Risk is Financial Risk
Every home has a financial story beyond the listing price. Below, you’ll see the climate risks that could affect this property — and in Bills & Affordability, how those risks may influence repairs, insurance, utilities, and long-term value.
Biggest Threats for This Home
- Inland Flooding
- Coastal Flooding
- Hurricane
- Winter Weather
- Tsunami
How This Home’s Risks Compare
FEMA Declared Disasters in Suffolk County and New York
Understanding the Costs
Financial advisors generally recommend spending no more than 30% of your gross household income on housing costs. In practice, many households stretch to 35% or beyond — especially in high-cost markets.
Estimated Costs Today
| Monthly | Annual | |
|---|---|---|
| Mortgage | $63,181 | $758,172 |
| Home Insurance * | $4,847 | $58,164 |
| Property Taxes | $350 | $4,200 |
| Electricity | $1,156 | $13,881 |
| Total | $69,534 | $834,408 |
Income You'd Need if You Spent...
New York FAIR Plan Programs
How Costs Could Change Over Time
Climate risk is quickly impacting all of the major home ownership costs. Adjust the growth rates and percentage of income spent on housing below to see how your housing costs could change over the next 10 years — and what income you'd need to keep up.
Comparing Against the Market
Price Per Sq Ft
vs Other Active Listings
Avg $/sqft
vs Homes Sold Last Month
Median $/sqft
Current Market Trends
Median Price Per Square Foot
The median price per square foot of homes sold in this area each month. Compare this to this listing's price per square foot to gauge whether the home is priced in line with recent sales.
Historicals for This Listing
Zestimate History ($/sqft)
Price History
| Date | Event | Price |
|---|---|---|
| 2026-01-29 | Price change | $12,995,000 |
| 2025-11-06 | Listed for sale | $13,495,000 |
| 2025-10-28 | Listing removed | $13,495,000 |
| 2025-05-03 | Listed for sale | $13,495,000 |
| 2025-04-18 | Listing removed | $13,995,000 |
| 2024-05-16 | Price change | $13,995,000 |
| 2024-04-22 | Price change | $14,950,000 |
| 2023-10-16 | Price change | $15,495,000 |
| 2023-07-07 | Listed for sale | $16,950,000 |
| 2023-05-17 | Listing removed | -- |
| 2022-11-16 | Price change | $17,500,000 |
| 2022-06-01 | Listed for sale | $18,500,000 |
For Sale by Agent
