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4 Bedroom Homes in Islip, NY

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24 of 126 Listings

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24 of 126 Listings

50Active

4 Bedroom Homes in Islip, NY — Page 5

126 listings

4 Bedroom Homes in Islip, NY

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24 of 126 Listings

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4 Bedroom Homes in Islip, NY

24 of 126 Listings

Your local brokerage

Thomas O'Leary

Realty.com

Lic. #10311208632

Call Thomas

50Active

Your local brokerage

Thomas O'Leary

Realty.com

Lic. #10311208632

Call Thomas

$949,990

4 bd · 5 ba · 2,840 sqft

19 Joan Road, Islip, NY

William Rugen SFR C2EX E-PRO · Rugen Realty Corp

Price Reduced31Active

$699,999

4 bd · 2 ba · 1,772 sqft

130 Greenbelt Parkway, Islip, NY

Vanessa Gonzalez · BH&G R E Realty Connect

36Active

$599,999

4 bd · 2 ba · 1,460 sqft

27 Yarnell Street, Islip, NY

Naseer Noori · Signature Premier Properties

Your local brokerage

Thomas O'Leary

Realty.com

Lic. #10311208632

Call Thomas

Price Reduced37Active

$675,000

4 bd · 2 ba · 1,820 sqft

418 Myrtle Avenue, Islip, NY

Peter Stea · Keller Williams Realty Elite

27Active

$749,990

4 bd · 3 ba · 1,713 sqft

2 Lincoln Avenue, Islip, NY

Debra Raimo · Douglas Elliman Real Estate

Price Reduced39Active

$749,999

4 bd · 2 ba · 2,402 sqft

661 Shore Drive, Islip, NY

Dawn DeGirolamo · Douglas Elliman Real Estate

Price Reduced39Active

$1,250,000

4 bd · 3 ba · 2,976 sqft

24 Biltmore Avenue Extension, Islip, NY

Louise Lanzetta CBR DSC · Douglas Elliman Real Estate

Price Reduced31Active

$939,999

4 bd · 2 ba · 2,000 sqft

43 Harrison Avenue, Islip, NY

Michael J. Fink CBR · BERKSHIRE HATHAWAY

4Active

$820,000

4 bd · 2 ba · 2,102 sqft

223 Sherry Street, Islip, NY

Todd A. Yovino · Island Advantage Realty LLC

Price Reduced27Active

$1,499,000

4 bd · 2 ba · 1,517 sqft

6 Atlantic Avenue, Islip, NY

Abigail Mago · Fire Island Sales And Rentals

Price Reduced24Active

$655,000

4 bd · 2 ba · 1,788 sqft

335 Babylon Street, Islip, NY

Todd A. Yovino · Island Advantage Realty LLC

33Active

$850,000

4 bd · 2 ba · 2,232 sqft

683 Broadway, Islip, NY

Maritza E. Orantes Lopez · Premium Group Realty Corp

Price Reduced32Active

$975,000

4 bd · 4 ba · 2,886 sqft

220 Windsor Avenue, Islip, NY

Matthew B. Arnold · Netter Real Estate Inc

18Active

$1,199,999

4 bd · 2 ba · 996 sqft

291 Cottage Walk, Islip, NY

Byron Chenault · Fire Island Sales And Rentals

34Active

$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

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

1…4 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, NY community profile

Area: 5.1 sq. mi.

Source: HJN community data

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.