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70 Cobb Lane, Water Mill, NY 11976

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For Sale

$54,950,000

11 beds • 14 baths • 5 half baths • 28,000 sqft

Estimated Payment

$ 282,790 /mo. †

6.67% APR for 30 yrs.
$0 in taxes
Change Loan Terms

  • Single Family Detached
    Property type

  • $1,962.50
    Price per square foot

  • Basement
    Rooms

Explore this Property

Set on a private peninsula on Mecox Bay, this stunning 12.2 +/- acre estate is now available for purchase. With 28,000 +/- square feet of living space across three levels, the magnificent residence boasts 11 bedrooms, 14 full bathrooms, and 5 powder rooms. Upon entry, a grand foyer with dual staircases introduces the main level and showcases a flood of natural light through floor to ceiling windows. The well equipped eat-in kitchen highlights stainless steel appliances and marble countertops with a generous stew pantry, and is accompanied by a formal dining room with seating for ten. Outfitted for all season dining, the exterior family room affords additional seating. The formal living area is joined by a private study and a separate den with a fireplace and wet bar. Access to the attached 3-car garage, staff bedroom, and three powder rooms complete this floor. The secondary level offers a spacious primary suite along with six guest bedrooms, four of which are ensuite. The guest wing is joined by two seating areas, an office, and an upstairs laundry room, while multiple terraces present sweeping views across the expansive estate and towards Mecox Bay. Fit for entertaining, the lower level presents an abundance of amenities including a 14-seat movie theatre, 2-lane bowling alley with a viewing area for 12 people, half court basketball, professional gym, 350 bottle wine cellar, and a game room with billiards, 750 gallon shark tank, wet bar, arcade, and ping pong table. The downstairs also provides three bedrooms, two bathrooms and a staff area with kitchenette, living room, and dining room. Accommodating all aspects of relaxation, the residence is equipped with a massage room, spa with sauna and steam room and an indoor swimming pool. With no detail or amenity spared, the exterior hosts numerous entertainment elements including a courtyard with a fire pit and concealed outdoor television, multiple lounging areas, heated pool with a spa and waterfall, half basketball court, and an outdoor dining area with large grill and pizza oven. Surrounded by a moat, the pergola and separate pool house affords a kitchenette and full bathroom. With a picturesque setting and a backdrop of bay views, this resort-like estate is truly a unique south of the highway opportunity.
MLS# 11159407

Courtesy Of Hedgerow Exclusive Properties

(631) 296-8543

Property Features

  • Architecture Style
    Other
  • Cooling System
    Central A/C
  • Floor Covering
    Hardwood
  • Lot Size
    12.2 Acres
  • Rooms
    Basement, Bonus Room, Den, Dining Room, Family Room, Kitchen, Library, Living Room, Media Room

Map and Directions

Directions to 70 Cobb Lane, Water Mill, NY 11976

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Mortgage Calculator

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Monthly Payment Breakdown

  • Principle and Interest
    $282,790
  • Property Taxes
    $0
  • Hazard Insurance
    $0
  • Private Mortgage Insurance
    $0
  • HOA Dues
    $0
  • Total Monthly Payment:
    $282,790

Calculators provided for estimating purposes only. Consult with your lender to determine precise payment requirements.

Schools

Southampton Elementary School

Grades PK-4 Public School

Southampton, NY 11968 2 miles
30 pine st

438 total students
9:1 Student teacher ratio

School Rating: D+

School Details

Southampton Intermediate School

Grades 5-8 Public School

Southampton, NY 11968 1.5 miles
70 leland ln

400 total students
7:1 Student teacher ratio

School Rating: C-

School Details
Other Nearby Schools Distance Type Grades School Rating
Southampton High School 1.4 miles Public 9-12 C+
Our Lady Of The Hamptons Regional Catholic School 2.2 miles Private PK-8
Tuckahoe School 3.5 miles Public PK-8 B-
The Hayground School 3.6 miles Private PK-8
Bridgehampton School 4 miles Public PK-12 B+
Sagaponack School 4.3 miles Public KG-3
Southampton Montessori School 4.3 miles Private PK-2

Southampton High School

Distance: 1.4 miles

Type Public

Grades: 9-12

C+

Our Lady Of The Hamptons Regional Catholic School

Distance: 2.2 miles

Type Private

Grades: PK-8

Tuckahoe School

Distance: 3.5 miles

Type Public

Grades: PK-8

B-

The Hayground School

Distance: 3.6 miles

Type Private

Grades: PK-8

Bridgehampton School

Distance: 4 miles

Type Public

Grades: PK-12

B+

Sagaponack School

Distance: 4.3 miles

Type Public

Grades: KG-3

Southampton Montessori School

Distance: 4.3 miles

Type Private

Grades: PK-2

School information does not guarantee enrollment. School service boundaries are provided as a reference only, may change, and are not guaranteed to be accurate. Contact the school district directly to verify school enrollment eligibility.

Local area information for Water Mill, NY 11976

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Water Mill, NY 11976

This community’s employment is highest in the personal care and administrative support industries. The area’s overall household expenses are above the national average.

80° July
Hottest Average Month
23° January
Coldest Average Month
1,286 Total Households in Area
-3% Increase in population since the year 2010
25.8%
of households
have children
12 minutes
Median Commute Time

Household Expenses vs National Average

This location’s average annual expenditures by category compared to the national average. Index score (100=National Average)

Demographic facts
for Water Mill, NY 11976

Water Mill, NY 11976 has a population of 3,314 people in 1,286 households with a median age of 51.1 years old.

-3%
Decrease in population
since the year 2010
Population is Trending down
1,307
Total households as of 2010
4.5%
projected percent change in total
households in 5 years

Community Population By Age

The median age for this area is 51.1 years old. The smallest percentage group is 65-74 years and the largest percentage is the 18-24 years age range.

Community Population By Ethnicity

White 77%
Hispanic 12%
Other 7%
Asian 4%
Black 3%
Native American <1%
The most prevalent ethnicity is White at 77%, followed by Hispanic at 12%, Other at 7%, and Asian at 4%.

Economics
for Water Mill, NY 11976

198 /sq mi
Population Density
$172,492 /yr
Median Household Income
$4,425,000
Median Sales Price
12 min
Median Commute Time

Household Expenses vs National Average

This location’s average annual expenditures by category compared to the national average. Index score (100=National Average)

Household by Income

Out of the households in this area, the largest income group is Over $200k representing 42.61% of the households.

Transportation to Work

  • Work from Home 44%
  • Drive 40%
  • Walk or Bike 10%
  • Public Transit 5%

Occupancy by Type

Vacant 1,490 54%
Owned 1,128 41%
Rented 159 6%

White vs Blue Collar Jobs







White Collar 94%
Blue Collar 6%

Family & Education Facts
for Water Mill, NY 11976

51.1 Median Age

Average Household Size

2.6
persons per
household

58.2%

Married Households

Community Population By Education

Bachelors Degree 42%
Graduate Degree 29%
High School Graduate 11%
Some College 10%
Associates Degree 5%
Some High School 3%
Of the total people surveyed, the most prevalent educational attainment level is Bachelors Degree, representing 42.24% of the population.

Household Family Expenses vs National Average

This location’s average annual expenditures compared to the national average. Index score (100=National Average)
25.8% of households have children

Weather
for Water Mill, NY 11976

The weather for this area ranges from a high of 80° F in July to a low of 23° F in January

80° July
Hottest Average Month
23° January
Coldest Average Month

Average Temperature by Month

Low (°F)
High (°F)
Jan
23°
38°
Feb
24°
39°
Mar
31°
46°
Apr
39°
55°
May
48°
65°
Jun
58°
74°
Jul
64°
80°
Aug
63°
79°
Sep
57°
73°
Oct
46°
63°
Nov
38°
53°
Dec
28°
43°

Average Temperature in Degrees Fahrenheit

Precipitation

Precipitation (inch)

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Copyright © 2025 My State MLS. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified. Information being provided is for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information being provided is for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.

Data powered by Attom Data Solutions. Copyright© 2025. Information deemed reliable but not guaranteed.

This information is provided for general informational purposes only and should not be relied on in making any home-buying decisions. School information does not guarantee enrollment. Contact a local real estate professional or the school district(s) for current information on schools. This information is not intended for use in determining a person's eligibility to attend a school or to use or benefit from other city, town or local services.

† Based on a 30-year fixed rate of 3.38% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Interest rates are also subject to credit and property approval based on secondary market guidelines. The rates shown are based on average rates for our best qualified customers. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.

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