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

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 search Advertise Sign In

Saved homes Saved searches Your tours Your inquiries Recently viewed Account settings

Rentals
Commercial

253 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 Under $700K in Islip, NY

Hide Map

24 of 253 Listings

Map

24 of 253 Listings

Open house Sat, Oct 31 · 11:00 AM28

Homes Under $700K in Islip, NY — Page 4

253 listings

Homes Under $700K in Islip, NY

Hide Map

24 of 253 Listings

Map

Homes Under $700K in Islip, NY

24 of 253 Listings

Your local brokerage

Thomas O'Leary

Realty.com

Lic. #10311208632

Call Thomas

Open house Sat, Oct 31 · 11:00 AM28

Your local brokerage

Thomas O'Leary

Realty.com

Lic. #10311208632

Call Thomas

Active

$619,900

3 bd · 1 ba · 1,075 sqft

1182 E 3rd Avenue, Islip, NY

Todd A. Yovino · Island Advantage Realty LLC

42Active

$549,000

4 bd · 1 ba · 1,209 sqft

411 Howells Road, Islip, NY

Mark J. Lagnese · X Marks The Spot Home Svcs Inc

Price Reduced12Active

$599,000

3 bd · 2 ba · 1,532 sqft

1442 Baldwin Boulevard, Islip, NY

Cheryl A. Messina · Signature Premier Properties

Your local brokerage

Thomas O'Leary

Realty.com

Lic. #10311208632

Call Thomas

26Active

$499,000

2 bd · 1 ba · 1,264 sqft

8 Juliet Street, Islip, NY

Athena D. Menoudakos · Compass Greater NY LLC

22Active

$699,888

6 bd · 3 ba · 2,268 sqft

266 Riddle Street, Islip, NY

Kenny Calderon · Signature Premier Properties

18Active

$699,000

4 bd · 2 ba · 1,438 sqft

7 Don Lane, Islip, NY

Robin V. Rosenberg · Signature Premier Properties

25Active

$629,900

5 bd · 2 ba · 1,578 sqft

103 Gates Avenue, Islip, NY

Oscar M. Salazar Sorto · ARVY Realty

39Active

$674,999

3 bd · 3 ba · 1,906 sqft

3 Arielle Court, Islip, NY

Wendy Rodriguez · Real Broker NY LLC

25Active

$629,999

3 bd · 1 ba · 936 sqft

96 Washington Avenue, Islip, NY

Charles G. Vogt · Charles Rutenberg Realty Inc

35Active

$659,000

3 bd · 2 ba · 2,030 sqft

223 Connetquot Road, Islip, NY

Ryan D. Rezinas · Signature Premier Properties

1Active

$580,000

6 bd · 3 ba · 2,226 sqft

270 Elmore Street, Islip, NY

Oscar M. Salazar Sorto · ARVY Realty

21Active

$650,000

3 bd · 1 ba · 1,050 sqft

1364 5th Avenue, Islip, NY

Daniela V. Diaz AHWD CIPS SRS ABR · Voro LLC

18Active

$699,000

3 bd · 2 ba · 1,205 sqft

492 Connetquot Avenue, Islip, NY

Jesse L. Curatolo · HomeSmart Premier Living Rlty

18Active

$499,000

3 bd · 1 ba · 1,122 sqft

125 1st Street, Islip, NY

Ismenia De Los Santos · RE/MAX City Square

Price Reduced42Active

$399,999

2 bd · 1 ba · 883 sqft

107 Richmond Boulevard Unit 4B, Islip, NY

Natalie A. Carey SRES · Exit Realty Achieve

23Active

$275,000

1 bd · 1 ba · 745 sqft

61 Adams Unit 2a, Islip, NY

Mary Devlin · Realty Connect USA L I Inc

26Active

$699,990

3 bd · 2 ba · 1,236 sqft

86 Union Avenue, Islip, NY

Michael J. Watts · Michael J Watts & Assoc Inc

6Active

$649,000

4 bd · 3 ba · 2,528 sqft

214 Calebs Path, Islip, NY

Anna Aprea ABR SFR SRES · Coldwell Banker American Homes

35Active

$690,000

3 bd · 2 ba · 910 sqft

1369 N Clinton Avenue, Islip, NY

Heidy Hernandez · EVP Realty Inc

Price Reduced23Active

$674,999

3 bd · 2 ba · 1,500 sqft

39 Elm Street, Islip, NY

Talha Lakhani · Property Professionals Realty

Price Reduced17Active

$675,000

3 bd · 2 ba · 1,804 sqft

1385 Gardiner Drive, Islip, NY

Romarico V. Relevo · Sure Home Realty Inc

Price Reduced26Active

$699,999

4 bd · 2 ba · 1,140 sqft

3 Gale Road, Islip, NY

Michael V. Cusumano · The Agency Northshore NY

13Active

$350,000

3 bd · 1 ba · 1,025 sqft

57 Adams Road Unit 2D, Islip, NY

Felix Gutierrez · ERealty Advisors Inc

27Active

$599,999

2 bd · 3 ba · 1,404 sqft

4 Lyndon Court, Islip, NY

Jason S. Rubinstein · Pine Barrens Realty LLC

1…3 4 5…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

September 2026 · This period is still settling

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.

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 housing market

September 2026 · This period is still settling

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.

Islip, NY community profile

Area: 5.1 sq. mi.

Source: HJN community data