$10,490,000

171 Oneck Ln Westhampton Beach, NY 11978

7 beds
9 full, 2 partial
10,316 sqft
0.9 acres
$1,017 / sqft
House

Property details

About 171 Oneck Ln

Down a perfectly manicured private road, discover 171 Oneck Lane - a brand new construction offering refined Hamptons living. Ideally situated on just under an acre, the property overlooks the premier golf course at the Westhampton Beach Country Club; showcasing sweeping views of the 3rd hole's lush green. Crafted with meticulous attention to detail, this elegant estate features 7 en-suite bedrooms and a total of 11 luxurious bathrooms. A grand foyer welcomes you into a spacious, open concept floor plan enhanced by soaring ceilings, custom millwork, coffered ceilings and exquisite moldings throughout. Private side entrance has a grand mudroom and walk in pantry and offers easy access as does the 2 car garage. The gourmet kitchen is a culinary haven, featuring large slab Quartz backsplash and oversized, extended island with seating and top-of-the-line paneled appliances by Wolf, Bosch and Sub-Zero. The formal dining room and spacious living room are perfect for entertaining, while oversized glass sliders flood the space with natural light. A double sided gas fireplace connects the living area to a stylish family room with bar. The first floor junior primary suite is perfect for guests, complete with a private en-suite bath. Beautifully detailed main and back staircases ascend to all three levels. Second floor includes the primary suite boasting stunning sunset and golf course views, a private balcony, fireplace, dual walk-in closets with french doors and center island, spa like bathroom with double vanity, soaking tub, large format slab shower, and water closet. There are four additional en-suite bedrooms, including one with a private balcony and a charming bunk room with it's own sitting area. There is also a large laundry room with dual washers/dryers, a sink and storage. The fully finished lower level is designed for both relaxing and recreation. It features a second laundry room equipped with two washers and two dryers for added convenience. The recreation room offers a built-in bar with Sub-Zero fridge and XO ice maker-perfect for entertaining. Enjoy a game of pool or cards, or unwind in the private home theatre, complete with six reclining chairs for the ultimate cinematic experience. Fitness enthusiasts will appreciate the gym and Clearlight sauna, changing room and full bathroom. An additional en-suite bedroom on this level provides comfortable accommodations as well as an additional powder room for all occupants and guests. Step outside to a resort style backyard oasis, where a heated gunite pool with 2 loungers in the sun ledge entry, and a built in spa are set amidst elegant blue stone patios. The outdoor kitchen is outfitted with a built-in BBQ, refrigerator, ice maker, and a recessed drop-down TV, complimented by ceiling heaters for extended seasonal use and entertaining. There are also covered patio areas with recessed lighting, ceiling fans and speakers A private putting green, meticulously landscaped grounds with speciman trees, flowering shrubs & hydrangea, and private courtyard complete this unparalled, luxury estate in the heart of Westhampton Beach.

Highlights

Home typeSingle Family Residence
HeatingForced Air, Radiant Floor
StatusActive
CoolingCentral Air
Size10,316 sqft
BasementYes
Lot size0.92 Acres
Year built2025
ParkingDriveway, Garage, Garage Door Opener
MLS #858249
Garage2 spaces
Private poolYes

Virtual tour

Summary

  • Partial Bathrooms: 2
  • Full Bathrooms: 9
  • Appliances: Convection Oven, Dishwasher, Dryer, Electric Oven, Exhaust Fan, Freezer, Gas Cooktop, Gas Range, Microwave, Refrigerator, Washer, Gas Water Heater
  • Basement: Yes
  • Interior: First Floor Bedroom, First Floor Full Bath, Beamed Ceilings, Breakfast Bar, Cathedral Ceiling(s), Ceiling Fan(s), Central Vacuum, Chandelier, Chefs Kitchen, Crown Molding, Double Vanity, Dry Bar, Eat-in Kitchen, Elevator, Entertainment Cabinets, Entrance Foyer, Formal Dining, High Ceilings, His and Hers Closets, In-Law Floorplan, Kitchen Island, Primary Bathroom, Master Downstairs, Open Floorplan, Open Kitchen, Pantry, Quartz/Quartzite Counters, Recessed Lighting, Sauna, Smart Thermostat, Soaking Tub, Sound System, Storage, Walk-In Closet(s), Wet Bar, Wired for Sound
  • Total Bedroom Count: 7
  • Garage Space: 2 spaces
  • Private Pool: Yes
  • Parking: Driveway, Garage, Garage Door Opener
  • Exterior: Balcony, Courtyard, Fire Pit, Gas Grill, Lighting, Other, Porch/Covered, Patio, Porch, Terrace
  • Architectural Style: Estate
  • Heating: Forced Air, Radiant Floor
  • Cooling: Central Air
  • List Price: $10,490,000
  • Price/SqFt: $1,016
  • Annual Tax Amount: $79,774
  • Tax Year: 2023
  • Lot: Back Yard, Front Yard, Landscaped, Near Golf Course, Private, Sprinklers In Front, Sprinklers In Rear
  • Directions: Mill Road to Oneck Lane
  • Year Built: 2025
  • Living Area: 10,316 SqFt
  • Lot Size: 0.92 Acres
  • MLS Number: 858249
  • MLS Name: ONEKEY2
  • Office Name: Douglas Elliman Real Estate
  • Office Phone: (631) 288-6244

IDX Listings courtesy of OneKey MLS as distributed by MLS GRID.

All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. Properties displayed may be listed or sold by various participants in the MLS.

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IDXThe data relating to real estate for sale on this web site comes in part from the Broker Reciprocity Program of the OneKey™ MLS. Real Estate listings held by brokerage firms other than this broker are marked with the Broker Reciprocity logo and detailed information about them includes the name of the listing brokers. This information is provided exclusively for consumers’ personal, non-commercial use, that it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.

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Data displayed may be a portion of, and not a complete set of all listings published in the MLS.

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Last updated on: 6/22/2025, 4:41:28 PM Eastern. If you have any questions regarding the accuracy of this data, please contact us at help@rockethomes.com.

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171 Oneck Ln, Westhampton Beach, NY 11978 - aerial view with a water view and golf course view

$10,490,000

171 Oneck Ln

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Price information

Property sales

DateEventPrice
Jun 30, 2023
Home Sold
$1,930,000

Tax history

YearAssessmentProperty Tax
2023$1,191,300$79,774
2022$1,191,300$3,430
2021$1,191,300$3,430
2020$1,191,300$3,430
2019$1,191,300$12,225
2018$1,191,300$9,474

History based on county public records data.

Nearby schools

7

Westhampton Beach Elementary School

Public District KG-5

0.6 mi

379 Mill Rd

4

Remsenburg-Speonk Elementary School

Public District KG-6

2.0 mi

11 Mill Rd

8

Quogue Elementary School

Public District PK-6

2.8 mi

10 Edgewood Rd

School ratings are a score out of 10, where 10 is the highest and 1 is the lowest.

All data from GreatSchools

Neighborhood

The neighbors living near this home have an average income of $121,875. Residents of Westhampton Beach, NY typically earn between $100k-200k each year. Most families are single, no kids. Typical level of education for residents in this area is post secondary degree.

How much money do the neighbors make?

20%
<35k
26%
35k-100k
35%
100k-200k
19%
200k+

What level of education do the neighbors have?

High School Diploma
Post Secondary Degree
Masters Degree

What types of families live nearby?

54%
Single, No Kids
6%
Single, with Kids
27%
Married, No Kids
13%
Married, with Kids

Are the neighbors home owners or renters?

Home Owners
Renters

How old are people in this area?

8%
<11 yrs old
8%
12-17 yrs old
14%
18-34 yrs old
45%
35-64 yrs old
25%
65+ yrs old

What do the neighbors do for fun?

  • PGA/LPGAPGA/LPGA
  • Skiing/snowboardingSkiing/snowboarding
  • College FootballCollege Football

Where do the neighbors shop?

  • Stein MartStein Mart
  • BJs Wholesale ClubBJs Wholesale Club
  • Express/Express For MenExpress/Express For Men

Where do the neighbors go to eat?

  • Cracker BarrelCracker Barrel
  • PaneraPanera
  • Bob EvansBob Evans

What do the neighbors drive?

  • LexusLexus
  • InfinitiInfiniti
  • LincolnLincoln

What do the neighbors listen to?

  • OldiesOldies
  • Adult HitsAdult Hits
  • News/Talk/InformationNews/Talk/Information
All data provided by Home Junction and Claritas

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Frequently asked questions

About 171 Oneck Ln

The listing price of 171 Oneck Ln property is $10,490,000.

The property 171 Oneck Ln is a house located in Westhampton Beach, New York, 11978.

Active Listing: 171 Oneck Ln is For Sale (Active/New) which means the seller is accepting offers.

The nearby schools for 171 Oneck Ln are: Westhampton Beach Elementary School (GreatSchools Rating 7/10), Remsenburg-Speonk Elementary School (GreatSchools Rating 4/10), Quogue Elementary School (GreatSchools Rating 8/10), Westhampton Beach Middle School (GreatSchools Rating 6/10), East Moriches Middle School (GreatSchools Rating 6/10), Pulaski Street Elementary School (GreatSchools Rating 4/10), Westhampton Beach High School (GreatSchools Rating 8/10), Center Moriches High School (GreatSchools Rating 8/10), Riverhead Senior High School (GreatSchools Rating 3/10).

According to the records, the last property tax for 2023 is $79,774 (source: MLS/based on county public records data).

The last sale was on June 30, 2023 for $1,930,000 (source: MLS/tax record).

The property at 171 Oneck Ln has 7 bedrooms and 9 full and 2 half bathrooms.

The property 171 Oneck Ln is 10,316 SqFt (source: MLS/tax record).

The year of construction for 171 Oneck Ln is 2025.

This home is located at 171 Oneck Ln in Westhampton Beach, NY and zip code 11978 in the Town of Southampton neighborhood. This 10,316 square foot home, which was built in 2025, sits on a 0.92 acre lot. Features: 7 bedrooms, 11 bathrooms. It has been listed on Rocket Homes since May 6, 2025 and is currently priced at $10,490,000.

While more than 0 listings in Westhampton Beach, NY in May 2025 were sold above asking price, there were more than 0 listings sold at asking price, and more than 7 were sold below. The number of homes for sale in Westhampton Beach, NY increased by 10% between April and May 2025. Listings spent 89 days on the market in May 2025, and had a median list price of $1,725,000 during the same period.

From Rocket Homes Real Estate and based on county public records data.

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