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Homes Under $500K in Islip, NY

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24 of 77 Listings

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24 of 77 Listings

9Active

Homes Under $500K in Islip, NY — Page 2

77 listings

Homes Under $500K in Islip, NY

Hide Map

24 of 77 Listings

Map

Homes Under $500K in Islip, NY

24 of 77 Listings

Your local brokerage

Thomas O'Leary

Realty.com

Lic. #10311208632

Call Thomas

9Active

Your local brokerage

Thomas O'Leary

Realty.com

Lic. #10311208632

Call Thomas

$189,999

2 bd · 1 ba · 672 sqft

8 Buttercup Drive, Islip, NY

Danielle L. Balzarano · Howard Hanna Coach

16Active

$239,990

1 bd · 1 ba · 850 sqft

2449 Union Boulevard 21a, Islip, NY

Michael J. Watts · Michael J Watts & Assoc Inc

Price ReducedOpen house Sat, Oct 17 · 12:00 PM14Active

$337,000

1 bd · 1 ba · 950 sqft

3909 Wilshire Lane Unit 3909, Islip, NY

Lisa F. Hendrickson · Douglas Elliman Real Estate

Your local brokerage

Thomas O'Leary

Realty.com

Lic. #10311208632

Call Thomas

Open house Sat, Oct 17 · 12:00 PM27Active

$450,000

2 bd · 1 ba · 937 sqft

85 Richmond Boulevard Unit 1a, Islip, NY

Lily M. Macari GRI CBR · Real Broker NY LLC

17Active

$279,999

2 bd · 1 ba · 900 sqft

2453 Union Boulevard 39B, Islip, NY

Christine Hodulick · Coldwell Banker American Homes

27Active

$469,000

2 bd · 1 ba · 980 sqft

35 Montauk Drive, Islip, NY

Elisabeth Marino CBR · HomeSmart Premier Living Rlty

15Active

$65,000

1 bd · 1 ba · 500 sqft

150 Main Street 1F, Islip, NY

Kim S. Palazzolo · Douglas Elliman Real Estate

10Active

$305,000

1 bd · 1 ba · 0 sqft

157 Newbrook Lane Unit 157, Islip, NY

Jack Ramsay · Eric G Ramsay Jr Assoc LLC

14Active

$499,999

2 bd · 2 ba · 1,127 sqft

263 N 3rd Avenue, Islip, NY

Doris M. Kennedy · Kennedy L I Realty

39Active

$449,999

3 bd · 2 ba · 1,313 sqft

204 Springmeadow Drive Unit M, Islip, NY

Bryan J. Karp CBR · Coldwell Banker American Homes

Open house Sun, Oct 18 · 12:00 PM17Active

$429,000

2 bd · 1 ba · 1,100 sqft

5218 Wilshire Lane Unit 5218, Islip, NY

Lisa F. Hendrickson · Douglas Elliman Real Estate

Price ReducedOpen house Sat, Oct 17 · 1:00 PM17Active

$359,000

1 bd · 1 ba · 900 sqft

251 Village Drive Unit 251, Islip, NY

Michael Marcaccio SRES · Integrity Core Realty

7Active

$229,000

2 bd · 1 ba · 554 sqft

150 Main Street 1, Islip, NY

Alexandria L. Forgione · HomeSmart Dynamic Realty

12Active

$339,900

1 bd · 1 ba · 800 sqft

704 Towne House Village Unit 704, Islip, NY

Joanna Abreu · RE/MAX Team

2Active

$180,000

1 bd · 1 ba · 662 sqft

1 Hemlock Drive F165, Islip, NY

Gary J. Dolce · First Liberty Real Estate

Price ReducedOpen house Sat, Oct 17 · 11:30 AM31Active

$419,000

2 bd · 1 ba · 883 sqft

36 Richmond Boulevard Unit 4a, Islip, NY

Kathleen A. Evangelista · Douglas Elliman Real Estate

Price ReducedOpen house Sat, Oct 17 · 1:00 PM29Active

$199,999

2 bd · 1 ba · 720 sqft

33 Valley Forge Drive, Islip, NY

Joseph Sciulla · Signature Premier Properties

Price Reduced20Active

$99,000

3 bd · 1 ba · 843 sqft

39 Valley Forge Drive, Islip, NY

Ruslan Mingazov · RE/MAX Edge

Price Reduced13Active

$255,000

1 bd · 1 ba · 850 sqft

2397 Union Boulevard 7a, Islip, NY

Nicole A. Calandro · Cornerstone Properties of LI

Price Reduced32Active

$259,900

1 bd · 1 ba · 782 sqft

66 Pinebrook Place 66, Islip, NY

Diane Salvesen · Charles Rutenberg Realty Inc

Price Reduced11Active

$499,000

3 bd · 1 ba · 0 sqft

1656 N Thompson Drive, Islip, NY

Doris M. Kennedy · Kennedy L I Realty

14Active

$149,900

1 bd · 1 ba · 500 sqft

112 Cardinal Lane 2a, Islip, NY

Richard R. Krug PSA SRES SFR · Coldwell Banker American Homes

Price Reduced5Active

$109,000

2 bd · 2 ba · 900 sqft

2 Periwinkle Drive, Islip, NY

John H. Wilson · Leesa Byrnes Realty Inc

Price Reduced23Active

$325,000

1 bd · 1 ba · 900 sqft

338 Lakeland Avenue 6 E, Islip, NY

Cathi M. Durler · BH&G R E Realty Connect

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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.