20 Oak Lane
Hampton Bays, NY, 11946 $ 2,399,900
Bedrooms5 Baths4.1 Sq 4,263 Monthly Estimate*
$ 14,777
for $2,399,900 with 5 bedrooms and 4 full baths, 1 half bath. This 4,263 square foot home was built in 1978 on a lot size of 0.5.
Experience the best of the East End from this waterfront retreat in Hampton Bays’ exclusive Old Harbor Colony. Set on a quiet street with beautiful water views, 20 Oak Lane offers a rare blend of space, light, and true boating lifestyle—just minutes to ocean beaches, waterfront dining, and everything the Hamptons have to offer. With over 4,200 square feet of interior living space plus a two-car garage, five bedrooms (including two primary suites), four full baths, and one half bath, this home is designed for relaxed coastal living and effortless entertaining. Step outside to your private backyard oasis featuring a recently relined pool (2024), expansive deck, and a 120-foot composite bulkhead—offering exceptional dockage capacity for multiple boats or larger vessels, with easy access to the bay and ocean. Inside, cathedral ceilings and natural light define the main living spaces. The spacious kitchen offers abundant cabinetry, generous island prep space, a stove plus two wall ovens, and direct access to the deck and pool. Adjacent, the butler's pantry provides additional cabinetry, counter space, plus a refrigerator, a sink, and convenient access to the laundry room and attached two-car garage. Multiple gathering areas—including a family room with gas fireplace, a living room with wood-burning fireplace, and a sunroom with a door out to the deck and pool—create an ideal flow for both everyday living and entertaining. Upstairs, a primary suite offers a private, elevated retreat with its own living area, mini-kitchen, walk-in closet, large ensuite bath, and a deck overlooking the water. The layout also includes a main-level bedroom and full bath, along with another spacious primary suite. A large recreation room provides additional space for relaxing, games, or media. Two additional bedrooms with cathedral ceilings and a shared Jack-and-Jill bath complete the upper level. Whether you’re spending the day at Ponquogue Beach, boating from your backyard, or enjoying summer evenings by the pool, this is Hamptons living with space, comfort, and exceptional waterfront access—without compromise.
See more
FeaturesInteriorInterior Amenities First Floor Bedroom First Floor Full Bath Cathedral Ceiling(s) Eat-in Kitchen Entrance Foyer Formal Dining Kitchen Island Primary Bathroom Walk-In Closet(s)
Flooring Tile Wood
Total Fireplaces 3
Basement (Y/N) N
Fireplace Y/N Y
Half Baths 1
Total Bedrooms 5
Total Baths 5
See more
GeneralSewer Cesspool
Heating Oil
Cooling Central Air
Utilities Electricity Connected
Appliances Dishwasher Dryer Range Refrigerator Washer
HOA Fee 1000
Garage Spaces 2
Patio/Porch Features Deck Patio Porch
Architectural Style Traditional
Construction Materials Frame
Year Built 1978
Property Subtype Single Family Residence
Tax Year 2025
Parcel Number 0900-322-00-02-00-018-000
Waterfront Features Canal Access Canal Front Water Access Waterfront Bulkhead
Assoc Fee Paid Per Annually
County Suffolk County
Property Type Residential
HOA Y
Garage Y/N Y
Total Rooms 11
Full Baths 4
High School Hampton Bays High School
City Southampton
Senior Community Y/N N
High School District Hampton Bays
Carport Y/N N
Elementary School Hampton Bays Elementary School
Property Attached Y/N N
Tax Annual Amount 20534.94
Middle/Junior High School Hampton Bays Middle School
Building Area Units Square Feet
Standard Status Active
Middle/Junior School District Hampton Bays
Elementary School District Hampton Bays
Tax Assessed Value 1229400
See more
ExteriorExterior Amenities Boat Slip Dock
Parking Features Attached Driveway Garage Attached Driveway Garage
Water Source Public
Building Area Total 4263
Waterfront Y/N Y
See more
* Excluded FeaturesList ByMatthew HartListing Agent
World Prop Intl Sea To SkyBroker
Affordability Calculator
- Monthly Principal & Interest
- $14,777
- Monthly Property Taxes
- $1,711
- Monthly Home Insurance
- --
Default based on a 30-year fixed rate of 6.25% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
Learn more about how to save NearbySingle family listings in Hampton Bays, NY
Average List Price $1,628,421
Percent of Sale Price 32%
About Hampton Bays, NY 14,097 Population
13% Since 2002
$ 76,396 Median Income
41.33 Median Age
22% Households with Children
Trends Information provided by ATTOM Data Solutions.
4100974 Elementary School
4099516 Middle School
Hampton Bays High School High School
Pricing History| Date | Price | Price Change | Description |
|---|
| 5/28/2025 | $2,399,900 | -4.00% | Price Down |
| 4/17/2025 | $2,499,900 | | Listed Price |