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Homes Under $700K in Islip, NY

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24 of 245 Listings

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24 of 245 Listings

25Active

Homes Under $700K in Islip, NY — Page 2

245 listings

Homes Under $700K in Islip, NY

Hide Map

24 of 245 Listings

Map

Homes Under $700K in Islip, NY

24 of 245 Listings

Your local brokerage

Thomas O'Leary

Realty.com

Lic. #10311208632

Call Thomas

25Active

Your local brokerage

Thomas O'Leary

Realty.com

Lic. #10311208632

Call Thomas

$629,999

3 bd · 1 ba · 936 sqft

96 Washington Avenue, Islip, NY

Charles G. Vogt · Charles Rutenberg Realty Inc

32Active

$699,999

4 bd · 3 ba · 2,296 sqft

9 Milton Street, Islip, NY

Frances Schiefer · Leesa Byrnes Realty Inc

22Active

$675,000

2 bd · 2 ba · 1,604 sqft

32 Michael Lane, Islip, NY

Trish Bergin · Signature Premier Properties

Your local brokerage

Thomas O'Leary

Realty.com

Lic. #10311208632

Call Thomas

29Active

$499,000

3 bd · 1 ba · 1,430 sqft

1209 Udall Road, Islip, NY

Brian P. Athan · Keller Williams Points North

29Active

$349,803

1 bd · 1 ba · 816 sqft

1056 Village Drive 1056, Islip, NY

Joseph Mendola · Signature Premier Properties

1Active

$580,000

6 bd · 3 ba · 2,226 sqft

270 Elmore Street, Islip, NY

Oscar M. Salazar Sorto · ARVY Realty

35Active

$659,000

3 bd · 2 ba · 2,030 sqft

223 Connetquot Road, Islip, NY

Ryan D. Rezinas · Signature Premier Properties

21Active

$650,000

3 bd · 1 ba · 1,050 sqft

1364 5th Avenue, Islip, NY

Daniela V. Diaz AHWD CIPS SRS ABR · Voro LLC

22Active

$539,000

3 bd · 1 ba · 1,026 sqft

43 Columbus Avenue, Islip, NY

Linda A. Halpern · BH&G R E Realty Connect

Price Reduced42Active

$399,999

2 bd · 1 ba · 883 sqft

107 Richmond Boulevard 4B, Islip, NY

Natalie A. Carey SRES · Exit Realty Achieve

Open house Sun, Oct 11 · 11:00 AM23Active

$275,000

1 bd · 1 ba · 745 sqft

61 Adams 2a, Islip, NY

Mary Devlin · BH&G R E Realty Connect

Open house Fri, Oct 9 · 5:30 PM18Active

$699,000

3 bd · 2 ba · 1,205 sqft

492 Connetquot Avenue, Islip, NY

Jesse L. Curatolo · HomeSmart Premier Living Rlty

Open house Sat, Oct 10 · 1:00 PM18Active

$499,000

3 bd · 1 ba · 1,122 sqft

125 1st Street, Islip, NY

Ismenia De Los Santos · RE/MAX City Square

Open house Sun, Oct 11 · 11:00 AM6Active

$649,000

4 bd · 3 ba · 2,528 sqft

214 Calebs Path, Islip, NY

Anna Aprea ABR SFR SRES · Coldwell Banker American Homes

26Active

$699,990

3 bd · 2 ba · 1,236 sqft

86 Union Avenue, Islip, NY

Michael J. Watts · Michael J Watts & Assoc Inc

Open house Fri, Oct 9 · 5:00 PM35Active

$690,000

3 bd · 2 ba · 910 sqft

1369 N Clinton Avenue, Islip, NY

Heidy Hernandez · EVP Realty Inc

Open house Sat, Oct 10 · 12:00 AM16Active

$689,000

3 bd · 2 ba · 2,164 sqft

1385 Gardiner Drive, Islip, NY

Romarico V. Relevo · Sure Home Realty Inc

23Active

$699,999

3 bd · 2 ba · 1,500 sqft

39 Elm Street, Islip, NY

Talha Lakhani · Property Professionals Realty

13Active

$350,000

3 bd · 1 ba · 1,025 sqft

57 Adams Road 2D, Islip, NY

Felix Gutierrez · ERealty Advisors Inc

28Active

$699,999

3 bd · 3 ba · 2,264 sqft

1524 N Monroe Avenue, Islip, NY

Joshua Pismeny · Real Broker NY LLC

Price ReducedOpen house Sun, Oct 11 · 12:00 PM26Active

$699,999

4 bd · 2 ba · 1,140 sqft

3 Gale Road, Islip, NY

Michael V. Cusumano · The Agency Northshore NY

Price ReducedOpen house Thu, Oct 8 · 5:00 PM10Active

$539,990

2 bd · 2 ba · 936 sqft

124 Bradford Avenue, Islip, NY

Donna Ingrassia · Donna Gallo Tavano

16Active

$619,000

4 bd · 2 ba · 1,245 sqft

4 Sutton Court, Islip, NY

Lisa Albinowski CBR SRES SRS · Signature Premier Properties

27Active

$599,999

2 bd · 3 ba · 1,404 sqft

4 Lyndon Court, Islip, NY

Jason S. Rubinstein · Pine Barrens Realty LLC

1 2 3…11

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

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

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

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.

Your local brokerage

Thomas O'Leary

Realty.com

Lic. #10311208632

Call Thomas

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

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.