645 Dune Road Westhampton, NY $ 4,000,000
645 Dune Road
$ 4,000,000
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645 Dune Road

Westhampton, NY, 11977
$ 4,000,000
Bedrooms4 Baths2.1 Sq 1,680

Monthly Estimate*

$ 24,955

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Single Family Home for sale in Westhampton, NY

for $4,000,000 with 4 bedrooms and 2 full baths, 1 half bath. This 1,680 square foot home was built in 1994 on a lot size of 0.4.

Experience the essence of Hamptons Oceanfront living in this rare and quintessential summer getaway, set on a shy half acre with 4 bedrooms and 3 baths. This stunning Oceanfront retreat captures breathtaking easterly sunrises, panoramic Ocean views, and incredible Bay vistas across pristine white-sand beaches. Enjoy exceptional outdoor living spaces with a wraparound deck, nestled perfectly and perched high above the dunes, offering commanding views of both the Ocean and Bay. Come experience the best of Hamptons coastal living and the unlimited potential this Oceanfront presents, whether you choose to expand, enhance, or reimagine it into your ultimate Oceanfront summer compound and getaway. This rare offering is also available for rent this off-season and for Summer 2026, giving you the chance to enjoy the Hamptons’ Oceanfront lifestyle before making it your own.

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Single Family Active

Price

$ 4,000,000

Bedrooms

4

Full Bath

2

Half Bath

1

Property Type

Single Family

Taxes

$ 14,364

Style

Split Level

Lot Size

0.4

Year Built

1994

Town/City

Westhampton

County/Region

Suffolk

MLS | Web ID

930904

Features
Interior
Interior Amenities First Floor Bedroom First Floor Full Bath Ceiling Fan(s) Chefs Kitchen Eat-in Kitchen Open Floorplan Open Kitchen Original Details Primary Bathroom Storage Walk Through Kitchen
Flooring Hardwood
Total Fireplaces 1
Fireplace Features Wood Burning
Basement (Y/N) N
Fireplace Y/N Y
Half Baths 1
Total Bedrooms 4
Total Baths 3
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General
Sewer Cesspool
Heating Forced Air
Cooling Wall/Window Unit(s)
Utilities Cable Connected Electricity Connected Water Connected
Appliances Dishwasher Dryer Range Refrigerator Washer
Garage Spaces 1
Patio/Porch Features Deck Wrap Around
Architectural Style Split Level
Construction Materials Cedar
Year Built 1994
View Panoramic Water
Property Subtype Single Family Residence
Tax Year 2025
Parcel Number 0900-391-00-02-00-025-001
Waterfront Features Beach Access Beach Front Ocean Access Ocean Front Water Access Waterfront
County Suffolk County
Property Type Residential
HOA N
Garage Y/N Y
Total Rooms 11
Full Baths 2
Directions Jessup to Dune Rd Head west
High School Westhampton Beach Senior High Sch
City Southampton
Senior Community Y/N N
High School District Westhampton Beach
Carport Y/N N
Elementary School Westhampton Beach Elem School
Property Attached Y/N Y
Tax Annual Amount 14364
Showing Instructions Call or email LA's ********** 24 Hr Notice to Show ***** DO NOT WALK THE PROPERTY BY APPOINTMENT ONLY ********
Middle/Junior High School Westhampton Middle School
Property Condition Actual
Building Area Units Square Feet
Standard Status Active
Middle/Junior School District Westhampton Beach
Elementary School District Westhampton Beach
Tax Assessed Value 1799000
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Exterior
Exterior Amenities Other
Parking Features Driveway Driveway
Water Source Public
Total Parking 6
Parking Spaces 6
Building Area Total 1680
Frontage Length 70'
Waterfront Y/N Y
Road Responsibility Public Maintained Road
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Internal Only
Street Number 1 645
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* Excluded Features
List By
Robert J. Canberg

Listing Agent

Nest Seekers International Llc

Broker

631-354-3547

Contact

Affordability Calculator

$26,152
Per Month
95%
5%
0%
Monthly Principal & Interest
$24,955
Monthly Property Taxes
$1,197
Monthly Home Insurance
--
Default based on a 30-year fixed rate of 6.375% 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.
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Nearby
4099604 Elementary School
4099415 Middle School
Westhampton Beach Senior High Sch High School
Pricing History
DatePricePrice ChangeDescription
11/3/2025$4,000,000 Listed Price

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645 Dune Road, Westhampton, NY, 11977 is a Single Family Home for sale at $4,000,000 with 1,680 sqft and a lot size of 0.4. 645 Dune Road has 4 bedrooms, 2.1 baths, and was built in 1994. The property's zip code is 11977 which is in Westhampton, NY