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MLS ID KEY1032639Last updated Sep 15, 2026

Single Family

129 Oneck Lane

Pending · Southampton · Suffolk County, NY 11978

Bedrooms
4 Beds
Bathrooms
4 Baths
Year built
1970
Est. monthly taxes
$1,130.83
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About this home

Experience the very best of Westhampton Beach living at 129 Oneck Lane, a sprawling retreat set on nearly an acre in the Village's coveted estate section. Perfectly positioned in one of the Hamptons' most sought-after locations, this exceptional property offers the ideal balance of privacy and convenience, just moments from Main Street's acclaimed restaurants, boutique shopping, the Westhampton Beach Performing Arts Center, and some of the East End's most beautiful ocean beaches. Designed for effortless living and entertaining, this bright and inviting four-bedroom ranch offers an open, flowing layout filled with natural light. The expansive living room features multiple seating areas, a dedicated dining space, and a wet bar, creating the perfect setting for gatherings with family and friends. The spacious eat-in kitchen serves as the heart of the home, while the sun-filled enclosed porch and sliding glass doors seamlessly connect the interior to an expansive deck overlooking the 20' x 40' pool and beautifully landscaped grounds. The thoughtfully designed floor plan provides privacy for both owners and guests, highlighted by a spacious primary suite complete with a private dressing area, generous walk-in closet, and a spa-inspired bath with a soaking tub. Direct access to the deck creates the perfect setting for peaceful mornings overlooking the backyard. Three additional bedrooms and well-appointed baths comfortably accommodate family and guests, while mature landscaping surrounds the property, creating a private retreat just minutes from everything that makes Westhampton Beach one of the Hamptons' most desirable destinations.

Listing snapshot

Days on site
59 days
Listed on MLS
Jul 30, 2026
Full baths
4
Half baths
0
Annual property tax (MLS)
$13,570
Tax year
2026
Area source (MLS)
Public Records
Listing brokerage
Compass Greater NY LLC
MLS ID
KEY1032639
Last updated
Sep 15, 2026

General features

Property type
Single Family
Property subtype
Single Family Residence
Year built
1970
Garage
Yes
Garage spaces
2
Parking
Driveway, Garage, Oversized, Private
Water source
Public
Sewer
Cesspool
Utilities
Electricity Connected, Trash Collection Private, Water Connected

Interior features

Basement
Bilco Door(s), Crawl Space, Partial
Heating
Forced Air, Oil
Cooling
Central Air
Interior
First Floor Bedroom, First Floor Full Bath, Built-in Features, Central Vacuum, Crown Molding, Double Vanity, Eat-in Kitchen, Entrance Foyer, High Ceilings, Open Floorplan, Primary Bathroom, Soaking Tub, Walk-In Closet(s), Washer/Dryer Hookup, Wet Bar
Appliances
Dishwasher, Disposal, Dryer, Exhaust Fan, Gas Range, Microwave, Refrigerator, Washer, Oil Water Heater
Flooring
Carpet, Hardwood, Tile
Fireplace
Yes
Fireplaces
1

Exterior features

Architectural style
Ranch
Construction materials
Shingle Siding
Private pool
Yes

Schools (MLS)

Elementary school
Westhampton Beach Elem School
Elementary school district
Westhampton Beach
Middle school
Westhampton Middle School
Middle school district
Westhampton Beach
High school
Westhampton Beach Senior High Sch
High school district
Westhampton Beach

School information is provided by the MLS. Confirm attendance eligibility with the school district.

Recent activity

  1. Listing updated from MLS
  2. MLS status changed
  3. First seen on this site

Location

Southampton · Suffolk County, NY 11978Show interactive map
129 Oneck Lane

Southampton · Suffolk County, NY 11978

Google Maps directions

Estimate monthly payment

Loan detailsFixed-rate, fully amortizing loan. Edit the assumptions below; no market rate is supplied.
Property expenses (USD)
MLS amounts are prefilled when available and can be edited. Confirm what fees include. Unknown fee frequencies cannot be converted automatically.Property expenses: MLS values where available; missing values stay blank.

Estimated monthly principal & interest—

Monthly property taxNot provided

Monthly association / maintenance feesNot provided

Estimated monthly total of entered costs—

Excludes insurance, mortgage insurance, special assessments and lender fees. MLS taxes may reflect abatements or exemptions and can change.

Listing data is supplied by the MLS and may change without notice.