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Islip, NY Homes for Sale | Realty.com
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Start here

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451 listings
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Homes for Sale in Islip, NY

Homes for Sale in Islip, NY

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24 of 451 Listings
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Homes for Sale in Islip, NY

24 of 451 Listings

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Thomas O'Leary

Realty.com

Lic. #10311208632

Call Thomas
  1. 863 Pease Lane — photoNewOpen house Sun, Nov 8 · 2:00 PM41Active

    $889,998

    5 bd · 3 ba · 3,013 sqft

    863 Pease Lane, Islip, NY

    Dawn Sofio · Daniel Gale Sothebys Intl Rlty

  2. 1136 Cassel Avenue — photoNewOpen house Sat, Nov 7 · 11:30 AM50Active

    $700,000

    5 bd · 2 ba · 2,104 sqft

    1136 Cassel Avenue, Islip, NY

    Albert Jacabacci Jr · Exit Realty Edge

  3. 397 1st Avenue — photoNewOpen house Sat, Nov 14 · 1:00 PM32Active

    $569,000

    4 bd · 1 ba · 1,344 sqft

    397 1st Avenue, Islip, NY

    Kerri-Ann Murphy Schlomann · Cornerstone Properties of LI

  4. 18 Phyllis Place — photoNewOpen house Sat, Nov 7 · 12:00 PM41Active

    $889,000

    5 bd · 2 ba · 1,887 sqft

    18 Phyllis Place, Islip, NY

    Dawn Sofio · Daniel Gale Sothebys Intl Rlty

  5. 1023 Udall Road — photoNew29Active

    $595,000

    3 bd · 1 ba · 1,129 sqft

    1023 Udall Road, Islip, NY

    Lisa Strazzeri · Signature Premier Properties

  6. 118 Bucknell Road — photoNew34Active

    $749,000

    3 bd · 3 ba · 1,107 sqft

    118 Bucknell Road, Islip, NY

    Sebastian Calle · OverSouth LLC

  7. 33 Amuxen Court — photoNew3Active

    $499,999

    4 bd · 1 ba · 1,843 sqft

    33 Amuxen Court, Islip, NY

    Patty J. Vorilas · Douglas Elliman Real Estate

  8. 24 Dock Road — photoNewOpen house Sat, Nov 7 · 1:00 PM43Active

    $1,499,999

    5 bd · 3 ba · 2,800 sqft

    24 Dock Road, Islip, NY

    John Walsh · Serhant East End LLC

  9. 215 Main Unit 37 — photo11Active

    $299,999

    2 bd · 2 ba · 894 sqft

    215 Main Unit 37, Islip, NY

    Laura Mannarino · Potter Real Estate

  10. 2506 Pond Road — photo37Active

    $699,999

    4 bd · 2 ba · 1,416 sqft

    2506 Pond Road, Islip, NY

    Bryan J. Karp CBR · Coldwell Banker American Homes

  11. 267 Haven Avenue — photoNewOpen house Sat, Nov 7 · 12:00 PM46Active

    $749,990

    4 bd · 2 ba · 1,937 sqft

    267 Haven Avenue, Islip, NY

    Robert M. Lorenzo II · Compass Greater NY LLC

  12. 24 Gainsborough Road — photoNew30Active

    $775,000

    5 bd · 3 ba · 2,477 sqft

    24 Gainsborough Road, Islip, NY

    Stephanie R. Salvo · Shine Realty Group

  13. 215 Sherry Street — photoOpen house Sat, Nov 7 · 10:00 AM19Active

    $825,000

    3 bd · 2 ba · 2,000 sqft

    215 Sherry Street, Islip, NY

    Katie Cobb MRP · Real Broker NY LLC

  14. 259 Delaware Avenue — photo29Active

    $639,998

    5 bd · 2 ba · 2,207 sqft

    259 Delaware Avenue, Islip, NY

    Jeffrey A. Canas · Serhant East End LLC

  15. 88 Haven Avenue — photoOpen house Sat, Nov 7 · 12:00 PM20Active

    $599,000

    3 bd · 2 ba · 1,870 sqft

    88 Haven Avenue, Islip, NY

    Trish Bergin · Signature Premier Properties

  16. 24 Gainsborough Road — photoNewOpen house Sat, Nov 7 · 11:00 AM30Active

    $775,000

    5 bd · 3 ba · 2,477 sqft

    24 Gainsborough Road, Islip, NY

    Stephanie R. Salvo · Shine Realty Group

  17. 249 Bayport Avenue — photoNew15Active

    $800,000

    4 bd · 2 ba · 1,812 sqft

    249 Bayport Avenue, Islip, NY

    Pengfei Zhang · Modern Realty and Management

  18. 118 Tamarack Street — photoNew32Active

    $699,000

    5 bd · 2 ba · 3,074 sqft

    118 Tamarack Street, Islip, NY

    Patricia Casamassina CBR RENE SRS · Signature Premier Properties

  19. 300 Hoffman Lane — photoNewOpen house Fri, Nov 6 · 4:00 PM24Active

    $679,000

    3 bd · 2 ba · 1,338 sqft

    300 Hoffman Lane, Islip, NY

    Colin P. Finnin · OverSouth LLC

  20. 80 Tabor Street — photo26Active

    $669,999

    4 bd · 2 ba · 2,160 sqft

    80 Tabor Street, Islip, NY

    Caroline Esposito · Signature Premier Properties

  21. 495 Lincoln Avenue — photoOpen house Sat, Nov 7 · 12:00 PM20Active

    $579,000

    3 bd · 2 ba · 1,290 sqft

    495 Lincoln Avenue, Islip, NY

    Donna M. Pitrelli AHWD CBR SFR GRI · Signature Premier Properties

  22. 99 Sprucewood Boulevard — photo35Active

    $575,000

    2 bd · 3 ba · 1,432 sqft

    99 Sprucewood Boulevard, Islip, NY

    Thomas J. Malanga · BH&G R E Realty Connect

  23. 40 Eagle Circle — photo42Active

    $599,000

    2 bd · 3 ba · 1,801 sqft

    40 Eagle Circle, Islip, NY

    Annette Mina · Douglas Elliman Real Estate

  24. 510 Bayberry Walk — photo6Active

    $2,125,000

    4 bd · 3 ba · 1,314 sqft

    510 Bayberry Walk, Islip, NY

    Joan Woletsky · The Agency Northshore NY

12…19
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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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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
  • Your local brokerage

    TO

    Thomas O'Leary

    Realty.com

    Lic. #10311208632

    Call Thomas

    Nearby areas

    ZIP codes

    • 11746 (115)
    • 11743 (103)
    • 11772 (98)
    • 11520 (93)
    • 11727 (93)
    • 11801 (88)
    • 11951 (85)
    • 11706 (84)

    Cities

    • Brookhaven (1,171)
    • Hempstead (485)
    • Huntington (375)
    • Babylon (283)
    • Smithtown (184)
    • West Babylon (38)
    • Riverhead (31)
    • Patchogue (5)

    Islip, NY community profile

    Area
    5.1 sq. mi.

    Source: HJN community data

    Islip housing market

    September 2026

    Islip 12-month median sale price trend

    Homes that sold · County records, as of Sep 23, 2026

    Median sale price
    $597,500$516,689–$852,875 typical range
    Sales
    14
    Paid in cash
    50.0%

    Homes on the market · MLS, as of Sep 27, 2026

    Median list price
    $612,500
    Homes for sale
    32

    Housing stock — every home in the area, not only the ones selling or listed · Assessor records, as of Sep 9, 2026

    Median home size
    1,687 sq. ft.