4 Bedroom Homes in Islip, NY

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24 of 31 Listings

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24 of 31 Listings

Open house Fri, Oct 2 · 4:00 PM50

31 listings

4 Bedroom Homes in Islip, NY

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24 of 31 Listings

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4 Bedroom Homes in Islip, NY

24 of 31 Listings

Your local brokerage

Thomas O'Leary

Realty.com

Lic. #10311208632

Call Thomas

Open house Fri, Oct 2 · 4:00 PM50

Your local brokerage

Thomas O'Leary

Realty.com

Lic. #10311208632

Call Thomas

Active

$1,349,000

4 bd · 4 ba · 3,738 sqft

15 Saltmeadow Lane, Islip, NY

Christine A. Dougherty · Signature Premier Properties

12Active

$1,599,000

4 bd · 2 ba · 1,328 sqft

63 Holly Walk, Islip, NY

Nicholas Newman · Nicholas Jay Newman

Open house Sat, Oct 3 · 11:00 AM44Active

$1,399,000

4 bd · 4 ba · 3,016 sqft

20 Millennium Court, Islip, NY

Tammy J. Ramsay · Eric G Ramsay Jr Assoc LLC

Your local brokerage

Thomas O'Leary

Realty.com

Lic. #10311208632

Call Thomas

Open house Sat, Oct 3 · 11:00 AM50Active

$1,595,000

4 bd · 3 ba · 2,354 sqft

81 Widgeon Court, Islip, NY

Tammy J. Ramsay · Eric G Ramsay Jr Assoc LLC

Open house Fri, Oct 2 · 4:30 PM31Active

$1,450,000

4 bd · 3 ba · 3,850 sqft

80 Oak Road, Islip, NY

Nicole Commisso · Vantage Realty Partners

Open house Sun, Oct 4 · 11:00 AM49Active

$2,125,000

4 bd · 3 ba · 3,850 sqft

110 Elder Road, Islip, NY

David P. Sanders · Compass Greater NY LLC

Open house Sat, Oct 3 · 12:30 PM22Active

$1,199,000

4 bd · 3 ba · 2,500 sqft

Lot 5 Lakeland Woods 5, Islip, NY

Marion M. Wagner · RE/MAX Integrity Leaders

Open house Fri, Oct 2 · 4:00 PM48Active

$1,199,000

4 bd · 3 ba · 2,739 sqft

4 Saltmeadow Lane, Islip, NY

Tracy L. Boucher CBR · Signature Premier Properties

42Active

$1,350,000

4 bd · 4 ba · 4,789 sqft

3 The Moor, Islip, NY

Chris J. Boylan · EXIT Realty Premier

28Active

$1,390,000

4 bd · 2 ba · 1,250 sqft

31 E End Walk, Islip, NY

Abigail Mago · Fire Island Sales And Rentals

Price ReducedOpen house Sat, Oct 3 · 11:00 AM24Active

$1,095,000

4 bd · 4 ba · 3,900 sqft

406 Vanderbilt Boulevard, Islip, NY

Janet M. Maffucci CBR · Netter Real Estate Inc

44Active

$1,450,000

4 bd · 3 ba · 3,998 sqft

1355 Locust Avenue, Islip, NY

Debra Raimo · Douglas Elliman Real Estate

26Active

$3,490,000

4 bd · 2 ba · 1,260 sqft

59 Laurel Avenue, Islip, NY

Abigail Mago · Fire Island Sales And Rentals

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

3Active

$1,475,000

4 bd · 2 ba · 1,800 sqft

287 Amityville Street, Islip, NY

Allison Grosse SRS · Howard Hanna Coach

Price Reduced28Active

$1,499,900

4 bd · 3 ba · 2,726 sqft

511 Devon Place, Islip, NY

Edward J. Shine III · Shine Realty Group

Price ReducedOpen house Sun, Oct 4 · 11:00 AM50Active

$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

22Active

$1,499,000

4 bd · 3 ba · 3,117 sqft

62 Adelhaide Lane, Islip, NY

John Newsom · Frontline Realty Group LLC

20Active

$1,499,000

4 bd · 3 ba · 3,117 sqft

66 Adelhaide Lane, Islip, NY

John Newsom · Frontline Realty Group LLC

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 Reduced27Active

$1,499,000

4 bd · 2 ba · 1,517 sqft

6 Atlantic Avenue, Islip, NY

Abigail Mago · Fire Island Sales And Rentals

18Active

$1,199,999

4 bd · 2 ba · 996 sqft

291 Cottage Walk, Islip, NY

Byron Chenault · Fire Island Sales And Rentals

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

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.

Registered offenders on the map

Registered offenders on the map

Registered offenders on the map

Registered offenders on the map

Your local brokerage

Your local brokerage

Your local brokerage

Listing data & MLS disclosures

Islip housing market

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

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

Islip, NY community profile

Your local brokerage

Listing data & MLS disclosures

Islip, NY community profile

Islip housing market

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

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