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35 LIBRARY Avenue 3 IWesthampton Beach, NY 11978

For Sale

$899,000

Smart Buyer Rebate $8,990

WELCOME TO HARBOUR HOUSE, THE HIDDEN CHARM OF WESTHAMPTON BEACH,RENOVATED 2 BED/3 FULL BATH DUPLEX, OFFERS. A SERENE RETREATWITH BEAUTIFUL WATER VIEWS AND EASY ACCESSIBILITY TO ALL. LOCATED BTWN QUANTUCK BAY AND MAIN ST,THIS UNIT FEATURES A BRIGHT AND INVITING LIVING ROOM,KITCHEN AND ENTERTAINING AREA.BOTH BEDROOMS OFFER A TRANQUIL VIEW.THERE IS A HEATED GUNITE POOL EXCLUSIVELY FOR THE RESIDENTS OF HARBOUR HOUSE, WHERE YOU CAN SIT AND ENJOY WHILE LOOKING OUT AT THE BEAUTIFULLY MANICURED GROUNDS INCLUDING A BOAT DOCK WHICH IS AVAIL TO ALL RESIDENTS AT NO ADDITIONAL COST.ALL THIS AND JUST A SHORT DISTANCE TO WESTHAMPTON BEACH VILLAGE SHOPS,CAFES AND RESTAURANTS.QUARTERLY MAINT INCLUDES TAXES, WATER AND GAS.MAKE THIS BEAUTIFUL DUPLEX YOUR OWN.

Listed by Tammy Blau

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Signature Premier Properties

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631-728-1900

Last updated June 14, 2026

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Source: OneKey #977679

Listing Facts

  • TypeCo-op
  • NeighborhoodThe Hamptons
  • Bedrooms2
  • Bathrooms3
  • Days on Prevu80
  • HOA/Maint. Fees$1,779/month
  • Size1,700 sqft
  • Price per sqft$529

Amenities

  • Dishwasher
  • Private Outdoor Space
  • Parking
  • Swimming Pool

Location

Mortgage Calculator

Listing History

06/07/2026
Price Decreased
$899,000
05/26/2026
Status changed to Active
$999,000
04/08/2026
Status changed to Pending
$999,000
03/27/2026
Listed by Signature Premier Properties
$999,000

Property Details for 35 LIBRARY Avenue 3 I

Association

Amenities

  • Pets Allowed: No

Financial

  • Flip Tax: 2.50

Exterior

Construction

  • Property Attached: Yes
  • Stories Total: 3
  • Year Built: 1970
  • Architectural Style: Other
  • Common Walls: 2+ Common Walls
  • Construction Materials: Frame, Vinyl Siding
  • Entry Level: 1

Features

  • Patio And Porch Features: Covered, Deck, Patio
  • Pool Features: Community, Electric Heat, In Ground, Outdoor Pool
  • View: Water
  • Waterfront Features: Bayfront
  • Waterfront: Yes

Measurements

  • Building Area Units: Square Feet

Interior

Features

  • Appliances: Dishwasher, Electric Oven, Electric Range, Microwave, Refrigerator
  • Interior Features: First Floor Bedroom, First Floor Full Bath, Breakfast Bar, Primary Bathroom

Measurements

  • Living Area: 1,700
  • Living Area Source: Other

Rooms

  • Bathrooms Full: 3
  • Bathrooms Total Integer: 3
  • Bedrooms Total: 2
  • Rooms Total: 6

Parking

Parking

  • Parking Features: Assigned

Schools

Elementary School

  • Elementary School District: Westhampton Beach

High School

  • High School District: Westhampton Beach

Middle or Junior School

  • Middle Or Junior School District: Westhampton Beach

Utilities

Equipment

  • Cooling: Multi Units
  • Heating: Baseboard
  • Sewer: Public Sewer
  • Utilities: Cable Available, Electricity Connected, Phone Available, Sewer Connected, Trash Collection Public, Water Connected
  • Water Source: Public

Frequently Asked Questions

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

There are 2 bedrooms and 3 bathrooms in this co-op at 35 LIBRARY Avenue 3 I.

How does 35 LIBRARY Avenue 3 I compare to other co-ops in The Hamptons?

This co-op is listed 57% above the average price for co-ops in The Hamptons and has been on the market for 53 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 1,700 sqft.

35 LIBRARY Avenue 3 I is a 2-bedroom, 3-bath co-op for sale in Westhampton Beach NY 11978. On Prevu for 80 days at $899,000. This includes a recent price decrease of $100,000. This home features 1,700 square feet of living space, located in The Hamptons. The median listing price for co-ops in this area is $2,385,000. Property amenities include private outdoor space, dishwasher, parking, and swimming pool. Browse 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.