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4 Bedroom Homes in Islip, NY

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24 of 129 Listings

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24 of 129 Listings

1Active

4 Bedroom Homes in Islip, NY — Page 4

129 listings

4 Bedroom Homes in Islip, NY

Hide Map

24 of 129 Listings

Map

4 Bedroom Homes in Islip, NY

24 of 129 Listings

Your local brokerage

Thomas O'Leary

Realty.com

Lic. #10311208632

Call Thomas

1Active

Your local brokerage

Thomas O'Leary

Realty.com

Lic. #10311208632

Call Thomas

$629,000

4 bd · 2 ba · 1,810 sqft

77 Farrington Avenue, Islip, NY

Jose Martinez CBR · Power Team Realty Corp

15Active

$535,000

4 bd · 1 ba · 1,224 sqft

1315 Coates Avenue, Islip, NY

Thomas Guarino · BH&G R E Realty Connect

1Active

$859,990

4 bd · 3 ba · 1,957 sqft

130 Center Street, Islip, NY

Christopher Armstrong C2EX · Century 21 Princeton Prop

Your local brokerage

Thomas O'Leary

Realty.com

Lic. #10311208632

Call Thomas

Price Reduced49Active

$895,500

4 bd · 3 ba · 2,589 sqft

414 Potter Boulevard, Islip, NY

Marguerite Karamoshos · Signature Premier Properties

26Active

$3,490,000

4 bd · 2 ba · 1,260 sqft

59 Laurel Avenue, Islip, NY

Abigail Mago · Fire Island Sales And Rentals

46Active

$899,999

4 bd · 3 ba · 2,040 sqft

2553 Motor Parkway, Islip, NY

Nicole Chimento · Coldwell Banker American Homes

Price Reduced45Active

$1,599,000

4 bd · 3 ba · 2,200 sqft

851 W Bay Drive, Islip, NY

Frances Mazer CBR · Compass Greater NY LLC

29Active

$689,900

4 bd · 2 ba · 1,960 sqft

555 N Windsor Avenue, Islip, NY

Cory Zuckerman Berg · HomeSmart Premier Living Rlty

Price Reduced9Active

$495,000

4 bd · 1 ba · 744 sqft

1718 N Gardiner Drive, Islip, NY

Andre D. Jackson · Fave Realty Inc

Open house Sat, Oct 10 · 2:00 PM32Active

$687,000

4 bd · 2 ba · 2,188 sqft

182 New York Avenue, Islip, NY

Jonathan Minerick · HomeCoin.com

3Active

$1,475,000

4 bd · 2 ba · 1,800 sqft

287 Amityville Street, Islip, NY

Allison Grosse SRS · Howard Hanna Coach

Price Reduced12Active

$699,000

4 bd · 2 ba · 2,174 sqft

27 W Lakeland Street, Islip, NY

Meera Kukla · Real Broker NY LLC

Price Reduced28Active

$1,499,900

4 bd · 3 ba · 2,726 sqft

511 Devon Place, Islip, NY

Edward J. Shine III · Shine Realty Group

45Active

$1,699,000

4 bd · 3 ba · 4,122 sqft

257 Shadybrook Lane, Islip, NY

Dawn Sofio · Daniel Gale Sothebys Intl Rlty

Price Reduced26Active

$669,900

4 bd · 2 ba · 1,466 sqft

1431 Brooklyn Boulevard, Islip, NY

Biqing Ying · B Square Realty

Price Reduced23Active

$660,000

4 bd · 3 ba · 2,088 sqft

81 S Bedford Avenue, Islip, NY

Nadine Morency CBR · Jaymore Realty LLC

19Active

$869,000

4 bd · 2 ba · 1,812 sqft

249 Bayport Avenue, Islip, NY

Xue Fang · E Realty International Corp

Price Reduced50Active

$1,199,990

4 bd · 3 ba · 2,616 sqft

15 Victoria Court, Islip, NY

Robert M. Lorenzo II · Compass Greater NY LLC

Price Reduced29Active

$2,000,000

4 bd · 3 ba · 1,500 sqft

46 Crescent Avenue, Islip, NY

Megan Wallace · F I N Y Real Estate Co LLC

13Active

$1,800,000

4 bd · 4 ba · 1,248 sqft

31 Ivy Avenue, Islip, NY

Megan Wallace · F I N Y Real Estate Co LLC

20Active

$780,000

4 bd · 3 ba · 1,800 sqft

82 Stahley Street, Islip, NY

Janessa Vargas C2EX · Coldwell Banker American Homes

Price Reduced50Active

$700,000

4 bd · 3 ba · 2,370 sqft

820 Greenbelt Parkway W, Islip, NY

Paul L. Caliguri CBR · Douglas Elliman Real Estate

30Active

$889,000

4 bd · 3 ba · 1,909 sqft

23 Carpenter Lane, Islip, NY

Rob J. Scarito · Douglas Elliman Real Estate

Price Reduced26Active

$510,000

4 bd · 1 ba · 1,269 sqft

142 Palmer Street, Islip, NY

Jonathan Sarria · ARVY Realty

1…3 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.