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171 Oneck Lane , Westhampton Beach, NY 11978

New - 23 Hours Ago

Property Description

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 with seating, and top-tier paneled appliances by Wolf, Sub-Zero and Bosch. Seamlessly connected living and dining spaces are designed for effortless entertaining, with expansive glass sliders that invite natural light and open to the outdoor living areas. A double sided gas fireplace anchors the main living space and extends into a sophisticated lounge with a built-in bar. A first floor junior primary suite provides ideal guest accommodations with its own private bath. Beautifully detailed main and back staircases lead to all three levels. The second floor includes the primary suite- a true retreat; stunning sunsets and golf course views, a private balcony, fireplace, dual walk-in closets, with french doors and a center island, a spa inspired bath with a 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. A large laundry room with dual washers and dryers complete this level.The fully finished lower level is designed for both relaxing and entertainment featuring a recreation room with a built-in bar, Sub-Zero refrigeration, and XO ice maker, along with areas for billiards and games. A private home theatre with six reclining chairs creates a true cinematic experience. Wellness amenities include a fitness center, Clearlight sauna, changing room and full bath. An additional en-suite bedroom with bath and a powder room provide comfort and convenience for guests. Outdoor living

171 Oneck Lane | MLS# 989946

This single family home located at 171 Oneck Lane , Westhampton Beach, NY 11978 is currently listed for sale with an asking price of $9,999,990. This property was built in 2025 and has 7 bedrooms and 9 full and 2 partial baths with 10316 sq. ft. Oneck Lane is located within the Westhampton Beach school district. Search Westhampton Beach real estate on barbara-kenison.coldwellbankerprime.com today.

Gallery

Property Features

Property Type: Residential - Single Family
Basement: Finished, Full, Storage Space, Walk-Out Access
Basement: Yes
Cooling: Central Air
Fireplaces: 3
Garage: 2
Heating: Forced Air, Radiant Floor
Home Style: Estate
Lot Size: 0.92 Acres
Taxes: $7,077
Year Built: 2025

Amenities

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
Wal
Balcony
Courtyard
Fire Pit
Gas Grill
Lighting
Other

Feature Descriptions

Appliances: Convection Oven, Dishwasher, Dryer, Electric Oven, Exhaust Fan, Freezer, Gas Cooktop, Gas Range, Microwave, Refrigerator, Washer, Gas Water Heater
Attic: Partial
Building Area Total: 816
Elevator: Y
Exterior: Cedar
Fireplace Y/N: Yes
Formal Dining: Yes
GarageY/N: Yes
Lot Features: Back Yard, Front Yard, Landscaped, Near Golf Course, Private, Sprinklers In Front, Sprinklers In Rear
On Market Date: 2026-04-24
Other Structures: Garage(s), Outdoor Kitchen
Parcel Number: 0905-009-00-01-00-023-000
Parking Features: Driveway, Garage, Garage Door Opener
Patio And Porch: Covered, Patio, Porch, Terrace
Rental Term: Monthly
Rooms Total: 26
Sauna: Yes
Sewer: Septic Tank
Spa Y/N: Yes
Swimming Pool: Yes
Utilities: Electricity Connected, Propane, Water Connected
Water: Public

Local Schools

High School: Westhampton Beach Senior High Sch
Middle School: Westhampton Middle School
Elementary School: Westhampton Beach Elem School
School District: Westhampton Beach

Estimate Your Payment

Estimated Payment

$ 25,762.06 per month $22,255.64 Principal & Interest $589.75 Property Tax $2,916.66 Homeowner's Insurance

Change Payment Information

%
years/fixed
yearly
yearly (est.)
(Payments are an estimate and may vary by lender)

Demographics

Listed By / Shown By

Listing By

Agency Name: Douglas Elliman Real Estate
Agency Contact: 631-288-6244

Shown By

Agent Name: Barbara L. Kenison
Agent Phone: (518) 361-0211 Cell
Agency Title: Coldwell Banker Prime Properties

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Disclaimer: All information deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. Neither listing broker(s) or information provider(s) shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless. Listing(s) information is provided 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 on this site was last updated 04/25/2026. The listing information on this page last changed on 04/25/2026. The data relating to real estate for sale on this website comes in part from the Internet Data Exchange program of Delta Media Group MLS (last updated Sat 04/25/2026 12:00:05 AM EST) or Global MLS (last updated Fri 04/24/2026 11:52:08 PM EST) or New York State Alliance MLS (last updated Fri 04/24/2026 11:58:54 PM EST) or Hudson Valley Catskill Region MLS (last updated Fri 04/24/2026 11:51:15 PM EST) or OneKey MLS (last updated Fri 04/24/2026 11:53:13 PM EST). Real estate listings held by brokerage firms other than Coldwell Banker Prime Properties may be marked with the Internet Data Exchange logo and detailed information about those properties will include the name of the listing broker(s) when required by the MLS. All rights reserved.

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