About This Home

This 6-bedroom, 6-bathroom single family at 25 S Duncan Dr in Montauk, NY is listed for $5,250,000 ($1,103 per sqft). Built in 2026, the home offers 4,761 sqft of living space on a 0.51 acres lot.

Key Features

  • Built in 2026
  • 0.51 acre lot
  • 2 stories
  • Private pool
  • Fireplace

Property Details

2 stories
5 full, 1 half
2-car garage
2026

Amenities

PoolFireplaceHardwood
Listing Description

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.

Monthly Cost Estimate

$28,078/mo

20% down · 6.5% · 30 years

Principal$3,797
Interest$22,750
Insurance$1,531

Estimates only. Actual payments may vary.

Location

25 S Duncan Dr

Montauk, NY 11954

Upper Shepherds Neck

Features & Amenities

Interior Features

Walk-In Closet(s)Entrance Foyer

Property Details

Flooring

HardwoodTile

Construction

Wood Siding

Pool Features

Pool

Outdoor Features

Deck

Parking

Driveway

Heating

Electric (Heating)

Questions & Answers

This 6-bedroom, 6-bathroom single family at 25 S Duncan Dr is listed at $5,250,000 ($1,103/sqft). The estimated monthly payment is $28,078 based on 20% down, a 30-year loan at 6.5% interest, estimated insurance.

Key features include: Built in 2026, 0.51 acre lot, 2 stories, Private pool, Fireplace. Interior Features: Walk-In Closet(s), Entrance Foyer.

This property is listed by Susan Fallon.

SF

Susan Fallon

Agent at ISLAND POLO REALTY INC

Listed by ISLAND POLO REALTY INC · Broker phone: 631-676-8900 · View on Broker Site

MLS# 11927950· Source: My State MLS· 78 days on PropertySimple

Copyright © 2026 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.

25 S Duncan Dr, Montauk, NY 11954

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