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3 beds New construction With a pool

4 Bedroom Homes in Islip, NY

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24 of 136 Listings

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24 of 136 Listings

30Active

4 Bedroom Homes in Islip, NY — Page 3

136 listings

4 Bedroom Homes in Islip, NY

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24 of 136 Listings

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4 Bedroom Homes in Islip, NY

24 of 136 Listings

Your local brokerage

Thomas O'Leary

Realty.com

Lic. #10311208632

Call Thomas

30Active

Your local brokerage

Thomas O'Leary

Realty.com

Lic. #10311208632

Call Thomas

$689,000

4 bd · 2 ba · 1,968 sqft

1320 Pine Acres Boulevard, Islip, NY

Panagiota Papazaharias PSA · Redfin Real Estate

48Active

$619,000

4 bd · 3 ba · 1,896 sqft

327 Medea Way, Islip, NY

Maria Caifa · Coldwell Banker American Homes

42Active

$1,350,000

4 bd · 4 ba · 4,789 sqft

3 The Moor, Islip, NY

Chris J. Boylan · EXIT Realty Premier

Your local brokerage

Thomas O'Leary

Realty.com

Lic. #10311208632

Call Thomas

49Active

$550,000

4 bd · 1 ba · 2,007 sqft

440 Clayton Street, Islip, NY

Peter C. Grosso CBR · RE/MAX Integrity Leaders

Price Reduced21Active

$679,000

4 bd · 1 ba · 1,368 sqft

731 Muncey Road, Islip, NY

Nicole A. Calandro · Cornerstone Properties of LI

28Active

$1,390,000

4 bd · 2 ba · 1,250 sqft

31 E End Walk, Islip, NY

Abigail Mago · Fire Island Sales And Rentals

24Active

$1,195,000

4 bd · 4 ba · 3,900 sqft

406 Vanderbilt Boulevard, Islip, NY

Janet M. Maffucci CBR · Netter Real Estate Inc

21Active

$634,990

4 bd · 3 ba · 1,092 sqft

7 Crystal Lane, Islip, NY

Dorothy J. Hamilton · Hamilton Homes

4Active

$640,000

4 bd · 3 ba · 1,740 sqft

32 Sylvia Circle, Islip, NY

Todd A. Yovino · Island Advantage Realty LLC

Price Reduced21Active

$529,000

4 bd · 3 ba · 1,243 sqft

2356 Walnut Avenue, Islip, NY

Louis Reyes · Keller Williams Realty Elite

Price Reduced20Active

$749,000

4 bd · 4 ba · 1,937 sqft

65 Timberpoint Road, Islip, NY

Denice Mussillo · Exit Realty Achieve

Price Reduced39Active

$639,000

4 bd · 3 ba · 1,869 sqft

260 Medea Way, Islip, NY

Ashleigh Carrucciu · Signature Premier Properties

44Active

$1,450,000

4 bd · 3 ba · 3,998 sqft

1355 Locust Avenue, Islip, NY

Debra Raimo · Douglas Elliman Real Estate

23Active

$699,000

4 bd · 2 ba · 1,479 sqft

91 Spruce Avenue, Islip, NY

Irene Siconolfi · Douglas Elliman Real Estate

Price Reduced19Active

$685,000

4 bd · 2 ba · 1,592 sqft

363 3rd Avenue, Islip, NY

Richard M. Witt SRES · Hampton Estates Realty LLC

25Active

$889,000

4 bd · 3 ba · 1,772 sqft

162 Stuyvesant Road, Islip, NY

Kim S. Palazzolo · Douglas Elliman Real Estate

17Active

$689,999

4 bd · 2 ba · 1,248 sqft

7 E Lakeland Street, Islip, NY

Cinthya Carrera · Island Advantage Realty LLC

13Active

$699,999

4 bd · 2 ba · 1,176 sqft

48 Ellen Street, Islip, NY

Kevin Nissen · Signature Premier Properties

Price Reduced25Active

$829,000

4 bd · 2 ba · 2,088 sqft

727 Peter Paul Drive, Islip, NY

Janet A. Elliott · BH&G R E Realty Connect

31Active

$579,000

4 bd · 1 ba · 1,020 sqft

14 Marie Lane, Islip, NY

Natalie Martinez · Power Team Realty Corp

Price Reduced28Active

$735,000

4 bd · 2 ba · 1,288 sqft

15 Marianna Place, Islip, NY

Nicole Bonsignore · Stonington Realty LLC

14Active

$699,999

4 bd · 1 ba · 1,202 sqft

392 3rd Avenue, Islip, NY

Kyle F. Ruddy · Saltbox Realty Inc

31Active

$699,000

4 bd · 3 ba · 1,924 sqft

1223 Udall Road, Islip, NY

Valerie Labianca · Douglas Elliman Real Estate

1Active

$629,000

4 bd · 2 ba · 1,810 sqft

77 Farrington Avenue, Islip, NY

Jose Martinez CBR · Power Team Realty Corp

1 2 3 4…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 102.1% of asking price

Buyers here are paying above asking. MLS · 11 sales · as of Aug 31, 2026

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

Median list price: $525,000
Homes for sale: 27

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

Explore Islip homes

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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 102.1% of asking price

Buyers here are paying above asking. MLS · 11 sales · as of Aug 31, 2026

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

Median list price: $525,000
Homes for sale: 27

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