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4 Bedroom Homes in Islip, NY

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17 of 137 Listings

Map

17 of 137 Listings

34Active

4 Bedroom Homes in Islip, NY — Page 6

137 listings

4 Bedroom Homes in Islip, NY

Hide Map

17 of 137 Listings

Map

4 Bedroom Homes in Islip, NY

17 of 137 Listings

Your local brokerage

Thomas O'Leary

Realty.com

Lic. #10311208632

Call Thomas

34Active

Your local brokerage

Thomas O'Leary

Realty.com

Lic. #10311208632

Call Thomas

$1,299,000

4 bd · 2 ba · 937 sqft

485 Bayberry Walk, Islip, NY

Alanna Buz · Douglas Elliman Real Estate

Price Reduced38Active

$2,249,000

4 bd · 2 ba · 1,159 sqft

106 West Walk, Islip, NY

Nathaniel J. Larson · Daniel Gale Sothebys Intl Rlty

16Active

$499,900

4 bd · 2 ba · 1,575 sqft

209 Moffitt Boulevard, Islip, NY

Todd A. Yovino · Island Advantage Realty LLC

Your local brokerage

Thomas O'Leary

Realty.com

Lic. #10311208632

Call Thomas

36Active

$1,395,000

4 bd · 2 ba · 976 sqft

449 Dehnhoff Walk, Islip, NY

Abigail Mago · Fire Island Sales And Rentals

37Active

$1,700,000

4 bd · 2 ba · 1,862 sqft

17 Bungalow Walk, Islip, NY

Susan R. McCoy GRI CBR · Your Home Sold Guaranteed Rlty

Price Reduced1Active

$590,000

4 bd · 2 ba · 1,643 sqft

43 Grant Avenue, Islip, NY

Amanda Rose PSA SRS · OverSouth LLC

7Active

$650,000

4 bd · 2 ba · 1,518 sqft

160 Bark Avenue, Islip, NY

Ronie Hernandez CBR · South Shore Premier Homes Inc

33Active

$925,000

4 bd · 3 ba · 2,473 sqft

2384 a N/C Walnut Avenue, Islip, NY

Lisa M. Ortiz · Kelly Real Estate Inc

Price Reduced8Active

$391,000

4 bd · 2 ba · 2,192 sqft

20 Washington Avenue, Islip, NY

Barry H. Moran · Green Acre Investment Corp

Price Reduced2Active

$590,000

4 bd · 2 ba · 800 sqft

41 Tamarack Street, Islip, NY

Jacqueline Murphy · Signature Premier Properties

10Active

$1,299,000

4 bd · 4 ba · 3,100 sqft

Nc Seusing Boulevard, Islip, NY

Paul A. Musso SFR · BH&G R E Realty Connect

24Active

$1,950,000

4 bd · 5 ba · 3,800 sqft

81 Old Broadway Avenue, Islip, NY

Karen A. Neglia · RustyCap O Inc

23Active

$2,599,000

4 bd · 3 ba · 1,901 sqft

108 Ocean Road, Islip, NY

Alan Medvin · Fire Island Sales And Rentals

Price Reduced19Active

$599,000

4 bd · 2 ba · 1,197 sqft

20 Whitman Avenue, Islip, NY

Todd A. Yovino · Island Advantage Realty LLC

25Active

$969,000

4 bd · 3 ba · — sqft

43 Hollins Lane, Islip, NY

Matthew B. Arnold · Netter Real Estate Inc

1Active

$550,000

4 bd · 2 ba · — sqft

53 W 8th Street, Islip, NY

Alexander Rubinstein · Real Estate Plan LLC

1Active

$995,000

4 bd · 4 ba · — sqft

38 Warren Avenue, Islip, NY

Linda Vricella · Bridges Realty Holding Corp

1…5 6

Listing data & MLS disclosures

OneKey MLS: 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

Islip housing market

August 2026 · This period is still settling

Selling at 101.3% of asking price

Buyers here are paying above asking. MLS · 12 sales · as of Aug 31, 2026

Homes on the market · MLS, as of Aug 24, 2026–Aug 31, 2026

Median list price: $525,000
Homes for sale: 27
Median days on market: 15 days

Housing stock — every home in the area, not only the ones selling or listed · Assessor records, as of Aug 19, 2026

Median home size: 1,687 sq. ft.

Islip, NY community profile

Area: 5.1 sq. mi.

Source: HJN community data

L. Custen Realty, Inc. d/b/a Realty.com/L. Custen Realty CT, LLC d/b/a Realty.com (Tom O’Leary-Broker)(CT properties only), 8323 Southwest Freeway, Suite 900, Houston, Texas 77074

The information provided by this website is for the personal, non-commercial use of consumers and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Listing data is derived from various Multiple Listing Services; each source MLS and its required disclaimer are shown with the listings on the applicable page. Realty.com is an independently owned and operated brokerage.

Your local brokerage

Thomas O'Leary

Realty.com

Lic. #10311208632

Call Thomas

Listing data & MLS disclosures

OneKey MLS: 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

Islip housing market

August 2026 · This period is still settling

Selling at 101.3% of asking price

Buyers here are paying above asking. MLS · 12 sales · as of Aug 31, 2026

Homes on the market · MLS, as of Aug 24, 2026–Aug 31, 2026

Median list price: $525,000
Homes for sale: 27
Median days on market: 15 days

Housing stock — every home in the area, not only the ones selling or listed · Assessor records, as of Aug 19, 2026

Median home size: 1,687 sq. ft.

Islip, NY community profile

Area: 5.1 sq. mi.

Source: HJN community data