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585 Dune A18Westhampton, NY 11977

For Sale

$648,000

Smart Buyer Rebate $3,700

Experience effortless oceanfront living at Westhampton House, where the Atlantic
Ocean and Moriches Bay become the backdrop to everyday life.

Perfectly positioned on the garden level, this beautifully renovated one-bedroom
residence offers seamless indoor-outdoor living with sweeping water views from nearly
every room. Thoughtfully redesigned with an open-concept layout, the home features a
spacious island kitchen with stainless steel appliances, a gas range, abundant cabinetry,
and inviting living and dining spaces that flow effortlessly to sliding glass doors
overlooking the water.

Step outside your door and directly onto the expansive pool deck, home to one of Dune
Road’s largest heated pools. Just beyond, enjoy an oceanfront sundeck with lounge
seating, grilling stations, and a private boardwalk leading to one of the Hamptons’ most
pristine stretches of Atlantic beach. On the bay side, launch a kayak or paddle board
from your own waterfront access and spend your mornings exploring the calm waters of
Moriches Bay.

Westhampton House offers a true resort lifestyle with elevator access, a fitness center,
clubhouse, bike room, and laundry facilities creating an effortless summer escape. Whether you’re searching for weekend serenity or a lock-and-leave coastal residence, this exceptional offering delivers the very best of life on Dune Road.

Listed by Mariana Nunes

·

Compass Greater NY LLC

·

631-740-1226

Listed by Roberta A. Weinberg

·

Compass Greater NY LLC

Last updated July 30, 2026

·

Source: OneKey #1032221

Listing Facts

  • TypeCo-op
  • NeighborhoodThe Hamptons
  • Bedrooms1
  • Bathrooms1
  • Days on Prevu2
  • HOA/Maint. Fees$1,533/month
  • Size651 sqft
  • Price per sqft$995

Amenities

  • Parking
  • Swimming Pool

Location

Mortgage Calculator

Listing History

07/30/2026
Price Decreased
$648,000
07/29/2026
Listed by Compass Greater NY LLC
$649,000

Property Details for 585 Dune A18

Association

Amenities

  • Pets Allowed: No

Financial

  • Renting Allowed: Yes

Exterior

Construction

  • Property Attached: Yes
  • Year Built: 1961
  • Architectural Style: Other
  • Common Walls: 2+ Common Walls
  • Construction Materials: Frame
  • Entry Level: 2

Features

  • Pool Features: Community, In Ground, Outdoor Pool
  • View: Water
  • Waterfront Features: Beach Access, Ocean Front
  • Waterfront: Yes

Measurements

  • Building Area Units: Square Feet

Interior

Features

  • Appliances: Stainless Steel Appliance(s)
  • Interior Features: Other

Measurements

  • Living Area: 651
  • Living Area Source: CubiCasa

Rooms

  • Bathrooms Full: 1
  • Bathrooms Total Integer: 1
  • Bedrooms Total: 1
  • Rooms Total: 2

Parking

Parking

  • Parking Features: Parking Lot

Schools

Elementary School

  • Elementary School: Westhampton Beach Elem School
  • Elementary School District: Westhampton Beach

High School

  • High School: Westhampton Beach Senior High Sch
  • High School District: Westhampton Beach

Middle or Junior School

  • Middle Or Junior School: Westhampton Middle School
  • Middle Or Junior School District: Westhampton Beach

Utilities

Equipment

  • Cooling: Multi Units
  • Heating: Electric, Other
  • Sewer: Shared Septic
  • Utilities: See Remarks
  • Water Source: Public

Frequently Asked Questions

How many bedrooms and bathrooms does this co-op have?

There is 1 bedroom and 1 bathroom in this co-op at 585 Dune A18.

What schools are nearby to 585 Dune A18?

Nearby schools include the Westhampton Beach Elem School Elementary School, Westhampton Middle School, and Westhampton Beach Senior High Sch.

How does 585 Dune A18 compare to other co-ops in The Hamptons?

This co-op is listed 8% above the average price for co-ops in The Hamptons and has been on the market for 145 less days than the typical home in this area.

What is the square footage on this co-op?

According to the MLS, this listing is 651 sqft.

585 Dune A18 is a 1-bedroom, 1-bath co-op for sale in Westhampton NY 11977. On Prevu for 2 days at $648,000. This includes a recent price decrease of $1,000. This home features 651 square feet of living space, located in The Hamptons. The median listing price for co-ops in this area is $2,395,000. Nearby schools include Westhampton Beach Elem School Elementary School, Westhampton Middle School, and Westhampton Beach Senior High Sch. Property amenities include parking and swimming pool. Explore more co-op listings in Suffolk County.

The data relating to real estate for sale on this website comes in part from the IDX Program of OneKey™ MLS. The source of the displayed data is either the property owner or public record provided by non-governmental third parties. It is believed to be reliable but not guaranteed. This information is provided exclusively for consumers’ personal, non-commercial use. Information Copyright 2026, OneKey™ MLS. All Rights Reserved.

Full MLS Disclaimers

Rebate estimate is indicative only and based on listing price and estimated buyer's agent commission paid by owner, if applicable. Final rebates are subject to Terms of Use and may vary due to final negotiated transaction terms.