Recently Viewed Properties
See This Home
Save This Listing
Close

View All Photos

$4,000,000

  • For Sale
  • Active
  • Single Family
  • 4 Beds
  • 2 Full Baths
  • 1 Partial Bath
  • 1,680 Sq. Ft.
  • 1 Car Garage
See This Home
Save This Home
See This Home
Save This Home
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.

Full Property Details for 645 Dune Rd

General

  • Price: $4,000,000
  • Taxes: $14,364
  • Status: Active
  • Type: Single Family
  • Source: Long_Island
  • MLS ID: 930904
  • Updated: 11/3/2025
  • Added to Site: 76 day(s) ago

Interior

  • Number of Rooms: 11
  • Interior Features: 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
  • Fireplace: Yes
  • Number of Fireplaces: 1
  • Fireplace(s): Wood Burning
  • Appliances: Dishwasher, Dryer, Range, Refrigerator, Washer
  • Flooring: Hardwood

Rooms

Bathrooms

  • Total Bathrooms: 3
  • Full Bathrooms: 2
  • Half Bathrooms: 1

Bedrooms

  • Total Bedrooms: 4

Exterior

  • Exterior Features: Other
  • Porch/Patio/Deck: Deck, Wrap Around

Parking

  • Garage: Yes
  • Garage Spaces: 1
  • Total Spaces: 6
  • Parking Features: Driveway

Location

  • County: Suffolk County
  • Cross Streets: Jessup
  • Driving Directions: Jessup to Dune Rd Head west

School Information

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

Heating & Cooling

  • Cooling Type: Wall/Window Unit(s)
  • Heating Type: Forced Air

Utilities

  • Sewer: Cesspool
  • Water: Public
  • Utility Description: Cable Connected, Electricity Connected, Water Connected

Structural Information

  • Architectural Style: Split Level
  • Detached/Attached: Attached
  • Construction: Cedar
  • Building Size: 1680
  • Square Feet: 1,680
  • Sq. Ft. Source: Public Records
  • Year Built: 1994

Lot Features

  • Property View: Panoramic, Water
  • Lot Size (Acres): 0.4
  • Lot Size (Sq. Ft.): 17,424
  • Frontage Feet: 70'
  • Road Maintenance: Public Maintained Road
  • Lot Features: Level, Waterfront

Water Features

  • Water Front: Yes
  • Water View: Yes
  • Water Front View: Beach Access, Beach Front, Ocean Access, Ocean Front, Water Access, Waterfront

Financial Considerations

  • Tax Amount: $14,364

Disclosures and Reports

  • Special Conditions: None
  • Property ID: 0900-391-00-02-00-025-001

Listed by Nest Seekers International LLC

Quickly Find Out More

* Indicates a required field

Yes, I would like more information. Please use and/or share my information with a Coldwell Banker ® affiliated agent to contact me about my real estate needs. By clicking Send Message, I request to be contacted by phone or text message and consent to being contacted by automated means. I understand that my consent to receive calls or texts is not a condition of purchasing any property, goods, or services. Alternatively, I understand that I can access real estate services by email or I can contact the agent myself.

If an Coldwell Banker affiliated agent is not available in the area where I need assistance, I agree to be contacted by a real estate agent affiliated with another brand owned or licensed by Anywhere Real Estate (BHGRE®, CENTURY 21®, Corcoran®, ERA®, or Sotheby’s International Realty®). I acknowledge that I have read and agree to the Terms of Use and Privacy Notice.

We Value Your Privacy

Listing agents

— 645 Dune Rd —

  • Nest Seekers International LLC

  • Nest Seekers International LLC

631-354-3547

Get Pre-Approved Today

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Schools serving 645 Dune Rd

School District:Remsenburg-Speonk Union Free School District
Disclaimer: School attendance boundaries provided by Pitney Bowes and are for reference only. Contact the school directly to verify enrollment eligibility.

Price & Sales History for 645 Dune Rd Get Price Alerts and Save Property

Date
Details
Price
Change
Source
11/03/2025
Listed
$4,000,000
110.53%
MLS
12/16/2019
Sold
$1,900,000
—
Public Record
Get Price Alerts and Save Property
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Tax History for 645 Dune Rd

Year
Property Taxes
Change
Tax Assessment
Change
2020
$13,651
9%
$1,799,000
—
2016
$12,561
-5%
$1,799,000
—
2020
$13,275
-4%
$1,799,000
3%
2018
$13,810
11%
$1,753,300
11%
2017
$12,448
-1%
$1,578,000
—
2016
$12,553
-1%
$1,578,000
—
2015
$12,619
—
$1,578,000
—
2015
$12,649
2%
$1,578,000
—
2014
$12,344
3%
$1,578,000
—
2013
$11,945
—
$1,578,000
—
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Estimate the Cost for 645 Dune Rd

$
Down Payment
%
$
%

$
$

*These costs are estimates, and the interest rates assume exceptional credit standing.

Listed by Nest Seekers International LLC

645 Dune Road, Westhampton, NY 11977 (MLS# 930904) is a Single Family property with 4 bedrooms, 2 full bathrooms and 1 partial bathroom. 645 Dune Road is currently listed for $4,000,000 and was received on November 03, 2025. Want to learn more about 645 Dune Road? Do you have questions about finding other Single Family real estate for sale in Westhampton? You can browse all Westhampton real estate or contact a Coldwell Banker agent to request more information.

Tour this property