Realty.com
Buy

Start here

  • Homes for sale by state
  • Home buying tips
  • Before you start looking
  • The buying timeline

Afford it

  • Today's mortgage rates
  • Mortgage calculator
  • How much can I afford?
  • Get pre-approved

Make the deal

  • Writing a winning offer
  • Inspections & appraisals
  • Closing costs, itemized
  • Find a buyer's agent
Sell

Selling Options

  • What's my home worth?
  • Compare selling options
  • Get an instant cash offer
  • Buy before you sell

Resources

  • How selling works
  • When should I sell?
  • Home selling tips
  • Pricing your home
  • What's worth fixing first
  • Find a seller's agent
Home Loans
Find an Agent
Save searchAdvertiseSign In
Saved homesSaved searchesYour toursYour inquiriesRecently viewedAccount settings

Save search

Map layers

Safety

Safety & registry resources

Review official public-safety information for any area from these government sources:

  • U.S. Dept. of Justice National Sex Offender Public Website (NSOPW)
  • FBI: state sex-offender registry directory
Islip, NY Homes for Sale — Page 3 | Realty.com
Realty.com
Buy

Start here

  • Homes for sale by state
  • Home buying tips
  • Before you start looking
  • The buying timeline

Afford it

  • Today's mortgage rates
  • Mortgage calculator
  • How much can I afford?
  • Get pre-approved

Make the deal

  • Writing a winning offer
  • Inspections & appraisals
  • Closing costs, itemized
  • Find a buyer's agent
Save searchAdvertiseSign In
Saved homesSaved searchesYour toursYour inquiriesRecently viewedAccount settings
  • Rentals
  • Commercial

441 listings
Sell

Selling Options

  • What's my home worth?
  • Compare selling options
  • Get an instant cash offer
  • Buy before you sell

Resources

  • How selling works
  • When should I sell?
  • Home selling tips
  • Pricing your home
  • What's worth fixing first
  • Find a seller's agent
Home Loans
Find an Agent
Save search

Homes for Sale in Islip, NY

Homes for Sale in Islip, NY

Show Map
24 of 441 Listings
Map

Homes for Sale in Islip, NY

24 of 441 Listings

Your local brokerage

TO

Thomas O'Leary

Realty.com

Lic. #10311208632

Call Thomas
  1. 1026 Washington Avenue — photo31Active

    $750,000

    3 bd · 2 ba · 1,290 sqft

    1026 Washington Avenue, Islip, NY

    Melissa Iskra · Next Den LLC

  2. 1442 Baldwin Boulevard — photo12Active

    $639,000

    3 bd · 2 ba · 1,532 sqft

    1442 Baldwin Boulevard, Islip, NY

    Cheryl A. Messina · Signature Premier Properties

  3. 141 Sequams Lane W — photo22Active

    $1,999,000

    4 bd · 3 ba · 2,755 sqft

    141 Sequams Lane W, Islip, NY

    Nicholas Colombos · Compass Greater NY LLC

  4. 180 Branch Avenue — photo32Active

    $699,999

    4 bd · 3 ba · 1,486 sqft

    180 Branch Avenue, Islip, NY

    Alejandro Arboleda · ARVY Realty

  5. 266 Riddle Street — photoOpen house Sat, Oct 10 · 12:00 PM22Active

    $699,888

    6 bd · 3 ba · 2,268 sqft

    266 Riddle Street, Islip, NY

    Kenny Calderon · Signature Premier Properties

  6. 8 Juliet Street — photo26Active

    $499,000

    2 bd · 1 ba · 1,264 sqft

    8 Juliet Street, Islip, NY

    Athena D. Menoudakos · Compass Greater NY LLC

  7. 360 Fir Grove Road — photo32Active

    $647,500

    3 bd · 2 ba · 1,665 sqft

    360 Fir Grove Road, Islip, NY

    Barry J. Paley CBR · Keller Williams Points North

  8. 181 Cirrus Road — photoOpen house Sat, Oct 10 · 1:00 PM42Active

    $819,000

    4 bd · 3 ba · 2,178 sqft

    181 Cirrus Road, Islip, NY

    Svetlana L. Wilkeyson SRES · Douglas Elliman Real Estate

  9. 7 Don Lane — photo18Active

    $699,000

    4 bd · 2 ba · 1,438 sqft

    7 Don Lane, Islip, NY

    Robin V. Rosenberg · Signature Premier Properties

  10. 8 Mayflower Court — photo12Active

    $599,999

    3 bd · 4 ba · 2,084 sqft

    8 Mayflower Court, Islip, NY

    Altiman Howlett · Dream Select Realty Corp

  11. 109 Handsome Avenue — photo2Active

    $1,125,000

    5 bd · 4 ba · 3,246 sqft

    109 Handsome Avenue, Islip, NY

    Paul F. Generosa · Newman Realty Inc

  12. 149 S Penataquit Avenue — photo18Active

    $799,000

    3 bd · 2 ba · 1,559 sqft

    149 S Penataquit Avenue, Islip, NY

    Tammy J. Ramsay · Eric G Ramsay Jr Assoc LLC

  13. 25 3rd Avenue — photo26Active

    $555,000

    3 bd · 3 ba · 1,342 sqft

    25 3rd Avenue, Islip, NY

    Vanessa Y. Rosario PSA · Exit Realty Achieve

  14. 655 Hyman Avenue — photo27Active

    $799,000

    4 bd · 3 ba · 2,200 sqft

    655 Hyman Avenue, Islip, NY

    Julia Johnson · Eric G Ramsay Jr Assoc LLC

  15. 103 Gates Avenue — photo25Active

    $629,900

    5 bd · 2 ba · 1,578 sqft

    103 Gates Avenue, Islip, NY

    Oscar M. Salazar Sorto · ARVY Realty

  16. 99 Benson Avenue — photo48Active

    $989,000

    3 bd · 3 ba · 1,887 sqft

    99 Benson Avenue, Islip, NY

    Jo Ann Boettcher · Douglas Elliman Real Estate

  17. 3 Arielle Court — photo39Active

    $674,999

    3 bd · 3 ba · 1,906 sqft

    3 Arielle Court, Islip, NY

    Wendy Rodriguez · Real Broker NY LLC

  18. 96 Washington Avenue — photo25Active

    $629,999

    3 bd · 1 ba · 936 sqft

    96 Washington Avenue, Islip, NY

    Charles G. Vogt · Charles Rutenberg Realty Inc

  19. 9 Milton Street — photo32Active

    $699,999

    4 bd · 3 ba · 2,296 sqft

    9 Milton Street, Islip, NY

    Frances Schiefer · Leesa Byrnes Realty Inc

  20. 32 Michael Lane — photoOpen house Sat, Oct 10 · 12:00 PM22Active

    $675,000

    2 bd · 2 ba · 1,604 sqft

    32 Michael Lane, Islip, NY

    Trish Bergin · Signature Premier Properties

  21. 42 Audubon Avenue — photoPrice ReducedOpen house Sat, Oct 10 · 12:00 PM47Active

    $749,999

    5 bd · 2 ba · 1,794 sqft

    42 Audubon Avenue, Islip, NY

    Johnna Bluni · Signature Premier Properties

  22. 1209 Udall Road — photo29Active

    $499,000

    3 bd · 1 ba · 1,430 sqft

    1209 Udall Road, Islip, NY

    Brian P. Athan · Keller Williams Points North

  23. 1056 Village Drive 1056 — photo29Active

    $349,803

    1 bd · 1 ba · 816 sqft

    1056 Village Drive 1056, Islip, NY

    Joseph Mendola · Signature Premier Properties

  24. 1537 Agate Street — photo37Active

    $724,888

    3 bd · 3 ba · 1,506 sqft

    1537 Agate Street, Islip, NY

    Yesica Argueta · Exit Realty Achieve

1234…19
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

Equal Housing OpportunityEqual Housing Lender

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.

© 2026 Realty.com. All rights reserved.·Privacy·Terms·California Privacy Rights·Accessibility·Licensing

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 (122)
    • 11743 (102)
    • 11801 (94)
    • 11756 (93)
    • 11727 (87)
    • 11757 (83)
    • 11758 (82)
    • 11967 (81)

    Cities

    • Brookhaven (1,113)
    • Hempstead (453)
    • Huntington (382)
    • Babylon (290)
    • Smithtown (191)
    • West Babylon (38)
    • Riverhead (29)

    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.