SoldAug 13, 2025

Listed by Michael J. Watts from Michael J Watts & Assoc Inc

Bought with Michael Watts from Michael J Watts & Assoc Inc

Source: OneKey #836404

91 Union Ave, Islip, NY, 11751

$750,000

4
2
2
2481 sq. ft.
9148 sq. ft.

SingleFam

18 days on the market

Sold: Aug 13, 2025

What's around 91 Union Ave

About this property

This beautifully restored Colonial is located in a prime residential block, just south of Montauk and in close proximity to the vibrant Main St. area, offering a variety of restaurants, charming boutiques, and local beaches. This home features a bright and open floor plan, with an updated eat-in kitchen and stainless steel appliances. With 4 spacious bedrooms and 2 full baths, this property offers comfort and style. The meticulously maintained grounds include new brick pavers and a charming gazebo, perfect for outdoor relaxation and entertainment. A true gem in a highly desirable area!

Looking for more information on 91 Union Ave?

Explore comparables, sales history and growth for this property.
Learn more

Contact

Similar properties sold nearby

SoldMay 21, 2026
$2,312,500
147 West Bayberry Road
Islip NY 11751
4
4
2
Single-Family
Listing courtesy of Netter Real Estate Inc
SoldMay 8, 2026
$935,000
52 Marvin Lane
Islip NY 11751
4
3
2
Single-Family
Listing courtesy of Eric G Ramsay Jr Assoc LLC
SoldMay 8, 2026
$1,110,000
375 Ocean Avenue
Islip NY 11751
4
3
2
Single-Family
Listing courtesy of Compass Greater NY LLC and Eric G Ramsay Jr Assoc LLC

Other properties sold by Michael J Watts & Assoc Inc

SoldMay 27, 2026
$595,000
24 Bay 3rd Street
Islip NY 11751
3
1
1
Single-Family
Listing courtesy of Michael J Watts & Assoc Inc
SoldMay 13, 2026
$339,000
5 Fairview Circle
Middle Island NY 11953
2
2
Condo
Listing courtesy of Michael J Watts & Assoc Inc and Coldwell Banker American Homes
SoldMay 8, 2026
$375,000
54 Oakland Avenue
Port Jefferson Station NY 11776
2
1
1
Single-Family
Listing courtesy of Found It LLC and Michael J Watts & Assoc Inc

Browse properties sold in nearby areas

The data relating to real estate for sale on this website comes in part from the Internet Data exchange of OneKey MLS. IDX information is provided exclusively for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information deemed reliable but not guaranteed. Copyright © 2026 OneKey MLS. All Rights Reserved

The Digital Millennium Copyright Act of 1998, 17 U.S.C. § 512 (the "DMCA") provides recourse for copyright owners who believe that material appearing on the Internet infringes their rights under MLS GRID IDX Rules Updated September 16, 2024 7 U.S. copyright law. If you believe in good faith that any content or material made available in connection with our website or services infringes your copyright, you (or your agent) may send us a notice requesting that the content or material be removed, or access to it blocked. Notices must be sent in writing by email to: dmca@ratemyagent.com

The DMCA requires that your notice of alleged copyright infringement include the following information: (1) description of the copyrighted work that is the subject of claimed infringement; (2) description of the alleged infringing content and information sufficient to permit us to locate the content; (3) contact information for you, including your address, telephone number and email address; (4) a statement by you that you have a good faith belief that the content in the manner complained of is not authorized by the copyright owner, or its agent, or by the operation of any law; (5) a statement by you, signed under penalty of perjury, that the information in the notification is accurate and that you have the authority to enforce the copyrights that are claimed to be infringed; and (6) a physical or electronic signature of the copyright owner or a person authorized to act on the copyright owner's behalf. Failure to include all of the above information may result in the delay of the processing of your complaint.

© 2026 RateMyAgent