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54 Cobb Isle Rd, Water Mill, NY, 11976

6beds
9baths
7,000sqft
$12,495,000
$1,785price/sqft
$69,534/moest. monthly cost
$2,781,360/yrincome needed

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

2
WalkingCar-Dependent
0
TransitVery Limited Transit
28
BikeSomewhat Bikeable

Schools

6/10
Southampton High SchoolGrades 9-121.4 mi
6/10

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
    Inland FloodingRelatively High
  • Coastal Flooding
    Coastal FloodingModerate
  • Hurricane
    HurricaneModerate
  • Winter Weather
    Winter WeatherModerate
  • Tsunami
    TsunamiInsufficient Data

How This Home’s Risks Compare

Inland Flooding
Coastal Flooding
Hurricane
Winter Weather
Tsunami

FEMA Declared Disasters in Suffolk County and New York

Flood
Severe Storm
Snowstorm
Straight Line Winds
Tropical Storm
Winter Storm

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

MonthlyAnnual
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
*Does not include cost of any FAIR Plan premiums

Income You'd Need if You Spent...

35% on housing$2,384,022/yr
40% on housing$2,086,020/yr
45% on housing$1,854,240/yr

New York FAIR Plan Programs

New York Property Insurance Underwriting Association

Covered
WildfireWildfire
HailHail
WindWind
Visit Website →
Current Policies
Residential: 20,669Commercial: 1,556
Total Premiums$32.27M
Total Exposure$7.63B

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.

Insurance Growth Rate5-year average: 4.6%
4.6%
0%30.0%
Electricity Growth Rate10-year average: 7.1%
7.1%
0%15.0%
Property Taxes Growth Rate2-year average: 1.0%
1.0%
0%15.0%
Income Spent on Housing
30%
30%45%

Comparing Against the Market

Price Per Sq Ft

$1,785This listing

vs Other Active Listings

Avg $/sqft

ZIP 11976$2,024
Suffolk County$723

vs Homes Sold Last Month

Median $/sqft

ZIP 11976$1,141
Suffolk County$412

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

DateEventPrice
2026-01-29Price change$12,995,000
2025-11-06Listed for sale$13,495,000
2025-10-28Listing removed$13,495,000
2025-05-03Listed for sale$13,495,000
2025-04-18Listing removed$13,995,000
2024-05-16Price change$13,995,000
2024-04-22Price change$14,950,000
2023-10-16Price change$15,495,000
2023-07-07Listed for sale$16,950,000
2023-05-17Listing removed--
2022-11-16Price change$17,500,000
2022-06-01Listed for sale$18,500,000

For Sale by Agent

AgentVincent Horcasitas - Associate Real Estate Broker
BrokerageSaunders & Associates

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