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$5,250,000

  • For Sale
  • Active
  • Single Family
  • 6 Beds
  • 5 Full Baths
  • 1 Partial Bath
  • 2 Car Garage
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This custom-built 5000+sf waterview residence offers a rare combination of scale, thoughtful design, and modern coastal living in Montauk. The home features 6 bedrooms and 5.5 bathrooms, including four ensuite bedrooms, delivering flexibility for full-time living or a high-end retreat. Interior living space spans three levels with a finished lower level (1482sf) ideal for additional recreation and gym use, a 1509sf main level, and a 1770sf second floor. A cathedral-ceiling great room anchors the main level, with oversized sliding doors that open directly to the lush yard, custom mahogany deck, sparkling 30x16 pool, and separate semi-recessed hot tub-creating a seamless indoor-outdoor flow. The kitchen is outfitted with a premium appliance package, complemented by European white oak engineered hardwood flooring throughout the main living areas. Climate control is handled by a high-efficiency VRF heat pump system providing year-round heating and cooling. Outdoor amenities include a 30' x 16' swimming pool, custom mahogany deck, and a separate semi-recessed hot tub, designed for both entertaining and everyday enjoyment. Additional features include an attached two-car garage (445sf) and a well-planned site layout. The primary bath is uniquely finished with a textured feature wall, freestanding soaking tub, matte black fixtures, a private water closet, and a stained wood vanity-delivering a clean, modern spa experience. A refined, move-in-ready offering in one of Montauk's most desirable neighborhoods. 25 S Duncan Dr is the latest offering from BuildWell, led by Evan Pargonas, reflecting a commitment to holistic design and construction that prioritizes sustainability and net-zero goals.

Full Property Details for 25 S Duncan Dr

General

  • Price: $5,250,000
  • Taxes: $9,000
  • Status: Active
  • Type: Single Family
  • Source: Long_Island
  • MLS ID: 1037158
  • Updated: 8/10/2026
  • Added to Site: 18 day(s) ago

Interior

  • Number of Rooms: 13
  • Interior Features: First Floor Bedroom, First Floor Full Bath, Chefs Kitchen, Double Vanity, Eat-in Kitchen, Entrance Foyer, High Ceilings, Kitchen Island, Open Floorplan, Recessed Lighting, Smart Thermostat, Soaking Tub
  • Fireplace: Yes
  • Appliances: Dishwasher, Dryer, ENERGY STAR Qualified Appliances, Oven, Stainless Steel Appliance(s)
  • Flooring: Ceramic Tile, Hardwood

Rooms

Bathrooms

  • Total Bathrooms: 6
  • Full Bathrooms: 5
  • Half Bathrooms: 1

Bedrooms

  • Total Bedrooms: 6

Additional Information

  • Pool: Yes
  • Private Pool: Yes
  • Pool Description: Electric Heat, In-Ground, Pool/Spa Combo
  • Security/Safety: Security System

Parking

  • Garage: Yes
  • Garage Spaces: 2
  • Parking Features: Driveway

Location

  • County: Suffolk County
  • Driving Directions: Second House Rd to S Elroy to S Duncan Dr

School Information

  • High School District: East Hampton
  • Elementary School: Montauk School
  • Middle School: Montauk School
  • High School: East Hampton High School

Heating & Cooling

  • Central air: Yes
  • Cooling Type: Central Air
  • Heating Type: ENERGY STAR Qualified Equipment
  • Heating Zones: 3

Utilities

  • Sewer: Cesspool, Other
  • Water: Public
  • Utility Description: Cable Connected, Electricity Connected, Propane, Water Connected

Structural Information

  • Architectural Style: Post Modern
  • Detached/Attached: Detached
  • Construction: Wood Siding
  • Basement: Yes
  • Basement Desc.: Finished, Full Basement
  • Sq. Ft. Source: Plans
  • Year Built: 2026

Lot Features

  • Lot Size (Acres): 0.5143
  • Lot Size (Sq. Ft.): 22,401
  • Fence: Yes
  • Lot Features: Back Yard, Landscaped
  • Fencing (Description): Back Yard

Financial Considerations

  • Tax Amount: $9,000

Disclosures and Reports

  • Special Conditions: None
  • Property ID: 0300-048-00-01-00-033-000
  • Block: 1
  • Lot Number: 33

Listed by Island Polo Realty Inc

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Listing agent

— 25 S Duncan Dr —

  • Island Polo Realty Inc

631-676-8900

Get Pre-Approved Today

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Schools serving 25 S Duncan Dr

School District:Montauk Union Free School District
NameGradesDistance
Montauk School
50 South Dorset Drive, Montauk, NY 11954
PK-80.1 mi
Disclaimer: School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.

Price & Sales History for 25 S Duncan Dr Get Price Alerts and Save Property

Date
Details
Price
Change
Source
8/10/2026
Listed
$5,250,000
600%
MLS
2/04/2025
Sold
$750,000
—
Public Record
Get Price Alerts and Save Property
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Tax History for 25 S Duncan Dr

Year
Property Taxes
Change
Tax Assessment
Change
2024
$460
100%
$400
—
2020
100%
$400
—
2022
-100%
$400
—
2016
$391
1%
$400
—
2020
$389
-1%
$400
—
2018
$394
1%
$400
—
2017
$392
1%
$400
—
2016
$389
-1%
$400
—
2015
$391
2%
$400
—
2015
$384
1%
$400
—
2014
$381
2%
$400
—
2013
$372
—
$400
—
View All
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Estimate the Cost for 25 S Duncan Dr

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Down Payment
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*These costs are estimates, and the interest rates assume exceptional credit standing.

Listed by Island Polo Realty Inc

25 S Duncan Drive, Montauk, NY 11954 (MLS# 1037158) is a Single Family property with 6 bedrooms, 5 full bathrooms and 1 partial bathroom. 25 S Duncan Drive is currently listed for $5,250,000 and was received on August 10, 2026. Want to learn more about 25 S Duncan Drive? Do you have questions about finding other Single Family real estate for sale in Montauk? You can browse all Montauk real estate or contact a Coldwell Banker agent to request more information.

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