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171 Oneck Lane

Westhampton Beach, NY 11978
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Bed 7

Bed

Bath 11

Bath

SqFt10,316

Sqft

Acres0.92

Acre(Lot)

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 effortles s 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 is equally exceptional. Step outside to a resort style backyard oasis. A heated gunite pool with sun ledge and integrated loungers, along with a built-in spa is surrounded elegant stone patios and lush landscaping. The outdoor kitchen is fully equipped with a built-in BBQ, refrigerator, ice maker, and a recessed drop-down TV, and ceiling heaters for extended seasonal use. There are multiple covered patio areas with recessed lighting, fans and speakers. A private putting green and beautifully curated grounds with speciman trees, flowering shrubs & hydrangea, and a private courtyard complete this offering. This is a rare opportunity to own a newly built, fully amenitized estate in one of Westhampton Beach's most desirable locations, offering the perfect balance of luxury, lifestyle, and setting. Photo have been digitally enhanced.

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Detail Ic Property Details

Property Type : Residential

Price : $9,999,990

AD Id : 77744361

MLS Id : 989946

Beds : 7

Lot Size : 0.92 Acre

Living Area Size : 10,316

Year Built : 2025

Garage : 2

County : Suffolk

  • Map Map

Map

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Feature Features

  • Bedroom Information

    Total beds: 7

    Bathroom Information

    Total Baths: 11 Full Baths: 9 Half Baths: 2

    Room Information

    Rooms Total: 26 Basement: Finished, Full, Storage Space, Walk-Out Access
  • Interior Features

    Beamed Ceilings, Breakfast Bar, Cathedral Ceiling(s), Ceiling Fan(s), Central Vacuum, Chandelier, Crown Molding, Double Vanity, Dry Bar, Eat-in Kitchen, Elevator, Entrance Foyer, High Ceilings, His and Hers Closets, In-Law Floorplan, Kitchen Island, Master Downstairs, Open Floorplan, Pantry, Recessed Lighting, Sauna, Smart Thermostat, Soaking Tub, Sound System, Storage, Walk-In Closet(s), Wet Bar, Wired for Sound Appliances: Convection Oven, Dishwasher, Dryer, Electric Oven, Exhaust Fan, Freezer, Gas Cooktop, Gas Range, Microwave, Refrigerator, Washer, Gas Water Heater
  • Heating & Cooling

    Has Heating: Yes Heating: Forced Air, Radiant Floor Has Cooling: Yes Cooling: Central Air

  • Building Information

    Year Built: 2025 Building Area Total: 816 Construction Materials: Cedar Patio And Porch Features: Covered, Patio, Porch, Terrace Pool Features: Private Private Pool: Yes
  • Exterior Features

    Exterior Features: Balcony, Courtyard, Fire Pit, Gas Grill, Lighting, Other

  • Lot Information

    Lot Size Acres: 0.92 Lot Size Square Feet: 40075 Lot Description: Back Yard, Front Yard, Landscaped, Near Golf Course, Private, Sprinklers In Front, Sprinklers In Rear

  • Listing Price Information

    Listing Price: $9999990

  • Tax Information

    Parcel Number: 0905-009-00-01-00-023-000 Annual Tax: $7077.98

  • Parking Information

    Driveway, Garage, Garage Door Opener

    Garage Information

    Has Garage: Yes Garage Space: 2

  • School Information

    Elementary School: Westhampton Beach Elem School
    Junior High School: Westhampton Middle School
    Senior High School: Westhampton Beach Senior High Sch
  • Utility Information

    Electricity Connected, Propane, Water Connected
  • Location Information

    Direction: Mill Road to Oneck Lane WaterSource: Public
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Nearby Home Value

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231 Dune Road #905, Westhampton Beach, NY, 11978 $729,000 1 1 500 500 SqFt
199 Dune Road, Westhampton Beach, NY, 11978 $11,475,000 6 8 5,000 5,000 SqFt
135 Old Meeting House R.., Westhampton Beach, NY, 11978 $1,650,000 4 4 1,748 1,748 SqFt
533 Montauk Highway, Westhampton Beach, NY, 11978 $1,399,000 3 3 2,016 2,016 SqFt
533 531 529 Montauk Hig.., Westhampton Beach, NY, 11978 $2,999,999 7 5 4,016 4,016 SqFt
78 Meeting House Road, Westhampton Beach, NY, 11978 $4,500,000 6 9 --
92 Beach Lane, Westhampton Beach, NY, 11978 $8,495,000 8 8 5,200 5,200 SqFt
92 Beach Lane, Westhampton Beach, NY, 11978 $8,495,000 8 8 5,200 5,200 SqFt
531 Montauk Highway, Westhampton Beach, NY, 11978 $975,000 3 1 1,276 1,276 SqFt
529 Montauk Highway, Westhampton Beach, NY, 11978 $799,000 2 1 724 724 SqFt

The data relating to real estate for sale on this website comes in part from the Internet Data exchange of OneKey MLS. IDX information is provided exclusively 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 deemed reliable but not guaranteed. Copyright © 2026 OneKey MLS. All Rights Reserved

ByOwner last updated this listing 06/07/2026 @ 03:46

MLS: 989946 LISTED BY: Colleen Graning, Douglas Elliman Real Estate 631-288-6244 SOURCE: OneKey MLS

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