Homes Under $300K in Islip, NY

34 listings

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23 of 34 Listings

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Homes Under $300K in Islip, NY

23 of 34 Listings

Your local brokerage

Thomas O'Leary

Realty.com

Lic. #10311208632

Call Thomas

NewActive
$219,000
2 bd · 1 ba · 554 sqft
150 Main Street 1a, Islip, NY
Alexandria L. Forgione · HomeSmart Dynamic Realty
28Active
$235,000
1 bd · — ba · 791 sqft
2439 Union Boulevard 3a, Islip, NY
Active
$189,999
2 bd · 1 ba · 672 sqft
8 Buttercup Drive, Islip, NY
Danielle L. Balzarano · Howard Hanna Coach

Listing data & MLS disclosures

NY State MLS: The data relating to real estate for sale on this website comes in part from the Internet Data exchange (IDX) program of the New York State Alliance 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. Real estate listings held by brokerage firms other than Realty.com, are indicated by detailed information about them such as the name of the listing firms. All information deemed reliable but not guaranteed and should be independently verified. All properties are subject to prior sale, change or withdrawal. Neither the listing broker(s) nor Realty.com shall be responsible for any typographical errors, misinformation, misprints, and shall be held totally harmless. Copyright © 2026 New York State Alliance and participating MLS's - CNYIS, UNYREIS and WNYREIS. All Rights Reserved.
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

Explore Islip homes

Listing data & MLS disclosures

NY State MLS: The data relating to real estate for sale on this website comes in part from the Internet Data exchange (IDX) program of the New York State Alliance 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. Real estate listings held by brokerage firms other than Realty.com, are indicated by detailed information about them such as the name of the listing firms. All information deemed reliable but not guaranteed and should be independently verified. All properties are subject to prior sale, change or withdrawal. Neither the listing broker(s) nor Realty.com shall be responsible for any typographical errors, misinformation, misprints, and shall be held totally harmless. Copyright © 2026 New York State Alliance and participating MLS's - CNYIS, UNYREIS and WNYREIS. All Rights Reserved.
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.

Your local brokerage

Thomas O'Leary

Realty.com

Lic. #10311208632

Call Thomas

Your local brokerage

Thomas O'Leary

Realty.com

Lic. #10311208632

Call Thomas

Registered offenders on the map

Registered offenders on the map

Registered offenders on the map

Registered offenders on the map

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

Explore Islip homes

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

Your local brokerage

Your local brokerage