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Homes Under $300K in Islip, NY
33 listings

Homes Under $300K in Islip, NY

Homes Under $300K in Islip, NY

Show Map
23 of 33 Listings
Map

Homes Under $300K in Islip, NY

23 of 33 Listings

  1. 61 Adams 2a — photoNewOpen house Sat, Oct 3 · 10:30 AM23

Your local brokerage

TO

Thomas O'Leary

Realty.com

Lic. #10311208632

Call Thomas
Active

$275,000

1 bd · 1 ba · 745 sqft

61 Adams 2a, Islip, NY

Mary Devlin · BH&G R E Realty Connect

  • 11 Glen Hollow Drive D-64 — photo14Active

    $236,990

    1 bd · 1 ba · 0 sqft

    11 Glen Hollow Drive D-64, Islip, NY

    Gail G. Carillo · Coldwell Banker American Homes

  • 150 Main Street 1a — photo17Active

    $219,000

    2 bd · 1 ba · 554 sqft

    150 Main Street 1a, Islip, NY

    Alexandria L. Forgione · HomeSmart Dynamic Realty

  • 2439 Union Boulevard 3a — photo28Active

    $235,000

    1 bd · — ba · 791 sqft

    2439 Union Boulevard 3a, Islip, NY

  • 8 Buttercup Drive — photo9Active

    $189,999

    2 bd · 1 ba · 672 sqft

    8 Buttercup Drive, Islip, NY

    Danielle L. Balzarano · Howard Hanna Coach

  • 3113 Wilshire 3113 — photoOpen house Sat, Oct 3 · 10:30 AM20Active

    $259,999

    1 bd · 1 ba · 600 sqft

    3113 Wilshire 3113, Islip, NY

    Dawn DeGirolamo · Douglas Elliman Real Estate

  • 2449 Union Boulevard 21a — photo16Active

    $239,990

    1 bd · 1 ba · 850 sqft

    2449 Union Boulevard 21a, Islip, NY

    Michael J. Watts · Michael J Watts & Assoc Inc

  • 2453 Union Boulevard 39B — photo17Active

    $279,999

    2 bd · 1 ba · 900 sqft

    2453 Union Boulevard 39B, Islip, NY

    Christine Hodulick · Coldwell Banker American Homes

  • 150 Main Street 1F — photo15Active

    $65,000

    1 bd · 1 ba · 500 sqft

    150 Main Street 1F, Islip, NY

    Kim S. Palazzolo · Douglas Elliman Real Estate

  • 150 Main Street 1 — photo7Active

    $229,000

    2 bd · 1 ba · 554 sqft

    150 Main Street 1, Islip, NY

    Alexandria L. Forgione · HomeSmart Dynamic Realty

  • 1 Hemlock Drive F165 — photo2Active

    $180,000

    1 bd · 1 ba · 662 sqft

    1 Hemlock Drive F165, Islip, NY

    Gary J. Dolce · First Liberty Real Estate

  • 33 Valley Forge Drive — photoPrice ReducedOpen house Sat, Oct 3 · 1:00 AM29Active

    $210,000

    2 bd · 1 ba · 720 sqft

    33 Valley Forge Drive, Islip, NY

    Joseph Sciulla · Signature Premier Properties

  • 39 Valley Forge Drive — photoPrice Reduced20Active

    $99,000

    3 bd · 1 ba · 843 sqft

    39 Valley Forge Drive, Islip, NY

    Ruslan Mingazov · RE/MAX Edge

  • 2397 Union Boulevard 7a — photoPrice ReducedOpen house Sat, Oct 3 · 11:00 AM13Active

    $255,000

    1 bd · 1 ba · 850 sqft

    2397 Union Boulevard 7a, Islip, NY

    Nicole A. Calandro · Cornerstone Properties of LI

  • 66 Pinebrook Place 66 — photoPrice Reduced32Active

    $259,900

    1 bd · 1 ba · 782 sqft

    66 Pinebrook Place 66, Islip, NY

    Diane Salvesen · Charles Rutenberg Realty Inc

  • 112 Cardinal Lane 2a — photo14Active

    $149,900

    1 bd · 1 ba · 500 sqft

    112 Cardinal Lane 2a, Islip, NY

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

  • 2 Periwinkle Drive — photo5Active

    $119,000

    2 bd · 2 ba · 900 sqft

    2 Periwinkle Drive, Islip, NY

    John H. Wilson · Leesa Byrnes Realty Inc

  • 2449F Union Boulevard 9B — photo20Active

    $284,999

    2 bd · 1 ba · 938 sqft

    2449F Union Boulevard 9B, Islip, NY

    Nicole Schwartz · RE/MAX Team

  • 48 Cocoanut Street — photo7Active

    $299,999

    3 bd · 1 ba · 829 sqft

    48 Cocoanut Street, Islip, NY

    Christopher Webb · Keller Williams NYC

  • 1 E Hemlock Drive #162 — photo7Active

    $220,000

    1 bd · 1 ba · 725 sqft

    1 E Hemlock Drive #162, Islip, NY

    Altagracia Collado · Island Advantage Realty LLC

  • 60 Valley Forge — photo18Active

    $269,000

    2 bd · 2 ba · 720 sqft

    60 Valley Forge, Islip, NY

    Cynthia Compierchio · Exit Realty Island Elite

  • 2453 D Union Boulevard 4a — photoPrice ReducedOpen house Sun, Oct 4 · 2:00 PM19Active

    $235,000

    2 bd · 1 ba · 750 sqft

    2453 D Union Boulevard 4a, Islip, NY

    Roman Davydov · Exit Realty First Choice

  • 2453 Union Boulevard 24a — photoPrice Reduced17Active

    $220,000

    1 bd · 1 ba · 600 sqft

    2453 Union Boulevard 24a, Islip, NY

    Miles Pollak · Migrate Realty LLC

  • 12
    Realty.com

    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

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    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.

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    Your local brokerage

    TO

    Thomas O'Leary

    Realty.com

    Lic. #10311208632

    Call Thomas

    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