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 | 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

442 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

Hide Map
24 of 442 Listings
Map

Homes for Sale in Islip, NY

24 of 442 Listings

Your local brokerage

TO

Thomas O'Leary

Realty.com

Lic. #10311208632

Call Thomas
  1. 307 Plymouth Avenue — photo1Active

    $1,275,000

    3 bd · 2 ba · 2,506 sqft

    307 Plymouth Avenue, Islip, NY

    Thomas S. Hennerty · Thomas S. Hennerty

  2. 31 Woodland Drive — photoOpen house Sat, Oct 10 · 1:00 PM35Active

    $675,000

    3 bd · 2 ba · 2,062 sqft

    31 Woodland Drive, Islip, NY

    Elizabeth Melichar · Serhant East End LLC

  3. 422 Myrtle Avenue — photoNew24Active

    $629,000

    2 bd · 2 ba · 1,248 sqft

    422 Myrtle Avenue, Islip, NY

    Irene Siconolfi · Douglas Elliman Real Estate

  4. 1624 E 3rd Avenue — photoNew6Active

    $799,999

    4 bd · 3 ba · 2,347 sqft

    1624 E 3rd Avenue, Islip, NY

    Luis E. Fernandez SFR · Orion Realty Group Florida LLC

  5. 44 Pinebrook Place Unit 44 — photoNew11Active

    $305,000

    1 bd · 1 ba · 0 sqft

    44 Pinebrook Place Unit 44, Islip, NY

    Jack Ramsay · Eric G Ramsay Jr Assoc LLC

  6. 174 Secatogue Lane W — photoNew46Active

    $1,699,999

    4 bd · 3 ba · 2,985 sqft

    174 Secatogue Lane W, Islip, NY

    Nicholas Campasano · The Agency Northshore NY

  7. 46 Garden City Street — photoNew21Active

    $749,999

    6 bd · 2 ba · 3,132 sqft

    46 Garden City Street, Islip, NY

    Eric Gordon Ramsay IV · Eric G Ramsay Jr Assoc LLC

  8. 4 Patton Street — photo26Active

    $549,000

    3 bd · 2 ba · 1,400 sqft

    4 Patton Street, Islip, NY

    Tara J. Wright · Howard Hanna Coach

  9. 150 Newbrook Lane Unit 150 — photoNew11Active

    $305,000

    1 bd · 1 ba · 0 sqft

    150 Newbrook Lane Unit 150, Islip, NY

    Jack Ramsay · Eric G Ramsay Jr Assoc LLC

  10. 370 Boulder Street — photoNew25Active

    $599,000

    3 bd · 2 ba · 1,300 sqft

    370 Boulder Street, Islip, NY

    Ruben Yosopov · Unique Home Sales of L I Inc

  11. 45 Rudder Drive — photo22Active

    $679,000

    4 bd · 2 ba · 1,591 sqft

    45 Rudder Drive, Islip, NY

    Lynn Fischer · Coldwell Banker M&D Good Life

  12. 354 Middle Road — photoOpen house Sat, Oct 10 · 11:00 AM41Active

    $1,150,000

    4 bd · 4 ba · 2,926 sqft

    354 Middle Road, Islip, NY

    Manon P. Compitello · Douglas Elliman Real Estate

  13. 104 Benson Avenue — photoNew32Active

    $1,199,900

    5 bd · 3 ba · 2,564 sqft

    104 Benson Avenue, Islip, NY

    Julie Poidomani · BH&G R E Realty Connect

  14. 1304 Express Drive S — photoNew1Active

    $875,000

    4 bd · 4 ba · 2,483 sqft

    1304 Express Drive S, Islip, NY

    Eddy Ruano · Winzone Realty Inc

  15. 152 Revere Drive — photo29Active

    $519,990

    2 bd · 2 ba · 1,230 sqft

    152 Revere Drive, Islip, NY

    Manon P. Compitello · Douglas Elliman Real Estate

  16. 438 Mayflower Avenue — photoNew3Active

    $699,000

    4 bd · 4 ba · 2,270 sqft

    438 Mayflower Avenue, Islip, NY

    Rigoberto Lopez · Millennium Homes

  17. 36 Providence Drive — photoOpen house Sat, Oct 10 · 11:30 AM29Active

    $670,000

    2 bd · 2 ba · 1,445 sqft

    36 Providence Drive, Islip, NY

    Debra A. Carr · Netter Real Estate Inc

  18. 49 Simmons Drive — photoNew28Active

    $775,000

    3 bd · 2 ba · 1,608 sqft

    49 Simmons Drive, Islip, NY

    Pamela Serviss · Keller Williams Realty Elite

  19. 93 Eaton Lane — photoNew27Active

    $1,500,000

    4 bd · 3 ba · 2,143 sqft

    93 Eaton Lane, Islip, NY

    Tracey Madonia · Ed Ryan Real Estate Group

  20. 39 W Willow Street — photoNew13Active

    $698,000

    5 bd · 2 ba · 2,244 sqft

    39 W Willow Street, Islip, NY

    Yan E · Chous Realty Group Inc

  21. 49 Muriel Place — photoNewOpen house Sun, Oct 11 · 12:00 PM40Active

    $719,000

    3 bd · 2 ba · 1,286 sqft

    49 Muriel Place, Islip, NY

    Barbara Leogrande · Douglas Elliman Real Estate

  22. 554 Wheeler Road — photo37Active

    $849,000

    4 bd · 2 ba · 2,051 sqft

    554 Wheeler Road, Islip, NY

    Joshua Whalley · Douglas Elliman Real Estate

  23. 92 Split Cedar Drive — photo16Active

    $599,999

    3 bd · 2 ba · 1,752 sqft

    92 Split Cedar Drive, Islip, NY

    Winston R. Anderson · Sir Winston Realty Inc

  24. 226 Estelle Avenue — photoNewOpen house Sat, Oct 10 · 12:00 PM13Active

    $569,990

    3 bd · 1 ba · 1,030 sqft

    226 Estelle Avenue, Islip, NY

    Patrice Armstrong · Century 21 Princeton Prop

12…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.