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40 Deforest Road, Montauk, NY 11954

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For Sale

$19,950,000

6 beds • 5 baths • 1 half baths • 4,800 sqft

Estimated Payment

$ 102,669 /mo. †

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

  • Single Family Detached
    Property type

  • $4,156.25
    Price per square foot

  • 1-5 Years Old
    Age

Explore this Property

Never before seen, On The Break is a rare compilation of new construction luxury homes set amidst the natural landscape and vibrant cultural scene of Montauk. Encompassing two separate oceanfront lots, the enclave presents an unmatched opportunity to own in the highly sought after Ditch Plains area. One of the most iconic surf destinations on the East Coast, the break within Ditch Plains boasts powerful waves that attract surfers all year round. A captivating locale due to this foremost surf break, Montauk provides a truly unparalleled setting for creativity, community, and oceanfront living within this exclusive enclave. Set on a sprawling 1 +/- acre parcel with an impressive 95 feet of direct ocean frontage, Casa Las Olas stands as the quintessence of opulent coastal living. Recently unveiled, this newly constructed residence encompasses 4,800 +/- sq. ft. of refined living space. Crafted with visionary brilliance by renowned architect Boris Baranovich, every facet of the design harmoniously accentuates unparalleled ocean views that grace nearly every vantage point within the six-bedroom home. A grand double-height entry foyer sets the tone for the interior, which has been partially staged with luxury furnishings curated by Meredith Baer. An ode to open concept living, the main level seamlessly blends two sitting areas, formal dining, and a fully-equipped kitchen which incorporates top-tier appliances, an inviting island with ample seating, and a separate pantry. The three-car attached garage is ideally situated towards the front of the property, with direct access to the laundry and mudroom. Positioned on the second level, the spacious primary suite features a fireplace with sitting area, steam shower, multiple closets, and a private waterside terrace. Four additional bedrooms complete this floor. Accessed via glass doors along the main living area, an expansive deck spans almost the entire width of the home. With ample room for entertaining, the exterior affords outdoor dining, a covered sitting area, and an oceanside heated 20' x 30' gunite pool with sun shelf and spa. Meticulous landscaping by Terra Designs exudes an aura of natural elegance while ensuring total privacy within the property. With the pristine ocean beach directly outside, Casa Las Olas perfectly captures the allure of the Montauk lifestyle.
MLS# 11266968

Courtesy Of Hedgerow Exclusive Properties

(631) 296-8543

Property Features

  • Age
    1-5 Years Old
  • Amenities
    Water Front
  • Appliances
    Dishwasher, Microwave, Refrigerator, Washer
  • Architecture Style
    Other
  • Cooling System
    Central A/C
  • Exterior Type
    Wood Siding
  • Floor Covering
    Hardwood
  • Heating System
    Forced Air
  • Lot Size
    1 Acres
  • Roof Type
    Metal
  • Rooms
    Living Room
  • View Type
    Ocean

Map and Directions

Directions to 40 Deforest Road, Montauk, NY 11954

Home seller CENTURY 21 Albertson Realty

Get to know the neighborhood. A local affiliated CENTURY 21 office will help you set up tours, give advice, and negotiate with sellers.

CENTURY 21 Albertson Realty

(631) 477-2730
Learn More About Us

Mortgage Calculator

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Monthly Payment Breakdown

  • Principle and Interest
    $102,669
  • Property Taxes
    $0
  • Hazard Insurance
    $0
  • Private Mortgage Insurance
    $0
  • HOA Dues
    $0
  • Total Monthly Payment:
    $102,669

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

Schools

Montauk School

Grades PK-8 Public School

Montauk, NY 11954 2.3 miles
50 s dorset dr

334 total students
8:1 Student teacher ratio

School Rating: C+

School Details

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 Montauk, NY 11954

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Montauk, NY 11954

This community’s employment is highest in the food and building maintenance industries. The area’s overall household expenses are above the national average.

79° July
Hottest Average Month
25° January
Coldest Average Month
1,830 Total Households in Area
-2.1% Increase in population since the year 2010
27%
of households
have children
25 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 Montauk, NY 11954

Montauk, NY 11954 has a population of 4,312 people in 1,830 households with a median age of 49 years old.

-2.1%
Decrease in population
since the year 2010
Population is Trending down
1,845
Total households as of 2010
4.4%
projected percent change in total
households in 5 years

Community Population By Age

The median age for this area is 49 years old. The smallest percentage group is 55-64 years and the largest percentage is the 85+ years age range.

Community Population By Ethnicity

White 74%
Hispanic 19%
Other 12%
Black 2%
Asian 2%
Native American <1%
The most prevalent ethnicity is White at 74%, followed by Hispanic at 19%, Other at 12%, and Black at 2%.

Economics
for Montauk, NY 11954

114 /sq mi
Population Density
$131,103 /yr
Median Household Income
$1,850,000
Median Sales Price
25 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 25.35% of the households.

Transportation to Work

  • Drive 79%
  • Work from Home 16%
  • Public Transit 4%
  • Walk or Bike 2%

Occupancy by Type

Vacant 2,633 59%
Owned 1,551 35%
Rented 280 6%

White vs Blue Collar Jobs







White Collar 76%
Blue Collar 24%

Family & Education Facts
for Montauk, NY 11954

49 Median Age

Average Household Size

2.3
persons per
household

62.2%

Married Households

Community Population By Education

Bachelors Degree 34%
High School Graduate 21%
Some College 19%
Graduate Degree 15%
Associates Degree 7%
Some High School 4%
Of the total people surveyed, the most prevalent educational attainment level is Bachelors Degree, representing 34.08% 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)
27% of households have children

Weather
for Montauk, NY 11954

The weather for this area ranges from a high of 79° F in July to a low of 25° F in January

79° July
Hottest Average Month
25° January
Coldest Average Month

Average Temperature by Month

Low (°F)
High (°F)
Jan
25°
38°
Feb
26°
39°
Mar
32°
45°
Apr
40°
54°
May
48°
64°
Jun
58°
73°
Jul
64°
79°
Aug
64°
78°
Sep
59°
72°
Oct
48°
63°
Nov
40°
53°
Dec
30°
42°

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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