171 Oneck Lane, Westhampton Beach, NY 11978

Westhampton Beach
Local realty services provided by:ERA Top Service Realty
171 Oneck Lane,Westhampton Beach, NY 11978
$9,999,990
  • 7 Beds
  • 11 Baths
  • 10,316 sq. ft.
  • Single family
  • Active
Listed by: colleen graning, timothy allen morabito
Office: douglas elliman real estate
MLS#:989946
Source:OneKey MLS

Price summary

  • Price:$9,999,990
  • Price per sq. ft.:$12,254.89

About this home

Down a perfectly manicured private road, discover 171 Oneck Lane - a newly constructed, estate (built by ONE DEVELOPMENT) that captures the essence of refined Hamptons living. Ideally situated on just under an acre, the property overlooks the prestigious Westhampton Beach Country Club; offering sweeping views across the lush fairways of the 3rd hole-delivering both privacy and an elevated golf setting. Designed with meticulous craftsmanship and focussed on both scale and comfort, the home offers 7 en-suite bedrooms and 11 well appointed bathrooms. A grand foyer introduces a spacious, light filled open concept layout with soaring ceilings, custom millwork, coffered ceilings and elegant moldings throughout. A private side entrance with a grand mudroom, and walk in pantry, offering effortless access and everyday functionality, complemented by the attached two-car garage. The chef's kitchen is both striking and functional, featuring a full slab Quartz backsplash and oversized island...

Contact an agent

contact an agent

Yes, I would like more information. Please use and/or share my information with an ERA®  affiliated agent to contact me about my real estate needs. By clicking Send message, I request to be contacted by phone or text message and consent to being contacted by automated means. I understand that my consent to receive calls or texts is not a condition of purchasing any property, goods, or services. Alternatively, I understand that I can access real estate services by email or I can contact the agent myself.

If an ERA®  affiliated agent is not available in the area where I need assistance, I agree to be contacted by a real estate agent affiliated with another brand owned or licensed by Anywhere Real Estate (BHGRE® , CENTURY 21® , Coldwell Banker® , Corcoran® , Sotheby's International Realty® ). I acknowledge that I have read and agree to theTerms of useandPrivacy notice

Home facts

  • Year built:2025
  • Listing ID #:989946
  • Added:49 day(s) ago
  • Updated:June 13, 2026 at 01:07 AM

Rooms and interior

  • Bedrooms:7
  • Total bathrooms:11
  • Full bathrooms:9
  • Half bathrooms:2
  • Rooms Total:26
  • Dining Description:Eat-In Kitchen, Formal Dining
  • Bathrooms Description:Double Vanity, Soaking Tub
  • Kitchen Description:Chefs Kitchen, Dishwasher, Eat-in Kitchen, Freezer, Kitchen Island, Microwave, Pantry, Refrigerator
  • Bedroom Description:First Floor Bedroom, Master Downstairs
  • Basement:Yes
  • Basement Description:Finished, Full, Walk-Out Access
  • Living area:10,316 sq. ft.

Heating and cooling

  • Cooling:Central Air
  • Heating:Forced Air
  • Central air:Yes

Structure and exterior

  • Year built:2025
  • Building area:10,316 sq. ft.
  • Lot area:0.92 Acres
  • Lot Features:Private
  • Architectural Style:Estate
  • Construction Materials:Cedar
  • Exterior Features:Balcony, Courtyard

Schools

  • High school:Westhampton Beach Senior High Sch
  • Middle school:Westhampton Middle School
  • Elementary school:Westhampton Beach Elem School

Utilities

  • Water:Public
  • Sewer:Septic Tank

Finances and disclosures

  • Price:$9,999,990
  • Price per sq. ft.:$12,254.89
  • Tax amount:$7,078 (2024)

Features and amenities

  • Appliances:Dishwasher, Dryer, Freezer, Microwave, Refrigerator, Washer
  • Laundry features:Dryer, Washer
  • Amenities:Cathedral Ceiling(s), Double Vanity, Entrance Foyer, High Ceilings, Open Floorplan, Smart Thermostat, Storage, Walk-In Closet(s), Wet Bar

Parking

  • Parking description:Driveway, Garage
  • Garage:Yes
  • Garage spaces:2
Copyright 2026 OneKey MLS. All rights reserved. Listings courtesy of OneKey MLS as distributed by MLS GRID <lastMLSCheckTimestamp>. OneKey MLS provides content displayed here (“provided content”) on an “as is” basis and makes no representations or warranties regarding the provided content, including, but not limited to those of non-infringement, timeliness, accuracy, or completeness. Individuals and companies using information presented are responsible for verification and validation of information they utilize and present to their customers and clients. OneKey MLS will not be liable for any damage or loss resulting from use of the provided content or the products available through Portals, IDX, VOW, and/or Syndication. Recipients of this information shall not resell, redistribute, reproduce, modify, or otherwise copy any portion thereof without the expressed written consent of OneKey MLS.

New listings near 171 Oneck Lane