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The buying timeline

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How much can I afford?
Get pre-approved

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Closing costs, itemized
Find a buyer's agent

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Commercial

71 listings

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Luxury Homes in Islip, NY

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24 of 71 Listings

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71 listings

Luxury Homes in Islip, NY

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24 of 71 Listings

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Luxury Homes in Islip, NY

24 of 71 Listings

Your local brokerage

Thomas O'Leary

Realty.com

Lic. #10311208632

Call Thomas

6Active

$2,125,000

4 bd · 3 ba · 1,314 sqft

510 Bayberry Walk, Islip, NY

Joan Woletsky · The Agency Northshore NY

21Active

$1,695,000

3 bd · 2 ba · 2,706 sqft

250 Secatogue Lane, Islip, NY

Eric Gordon Ramsay IV · Eric G Ramsay Jr Assoc LLC

47Active

$1,099,999

5 bd · 4 ba · 3,556 sqft

7 Heller Court, Islip, NY

Bryan J. Karp CBR · Coldwell Banker American Homes

26Active

$1,799,000

4 bd · 3 ba · 3,331 sqft

173 Tahlulah Lane, Islip, NY

Eric G. Ramsay III · Eric G Ramsay Jr Assoc LLC

22Active

$1,199,000

3 bd · 2 ba · 1,208 sqft

330 Dehnhoff Walk, Islip, NY

Alyssa Caravella · The Agency Northshore NY

Open house Thu, Nov 5 · 4:00 PM50Active

$1,998,000

5 bd · 5 ba · 3,364 sqft

80 Concourse E, Islip, NY

Dawn Sofio · Daniel Gale Sothebys Intl Rlty

42Active

$1,199,000

5 bd · 2 ba · 3,128 sqft

265 Oak Neck Lane, Islip, NY

Leonard Simonetti Jr · Exit Realty All Pro

Open house Thu, Nov 5 · 5:30 PM42Active

$1,500,000

6 bd · 4 ba · 4,056 sqft

33 Quail Run, Islip, NY

Robert T. Sendel · Howard Hanna Coach

49Active

$1,060,000

6 bd · 4 ba · 3,800 sqft

13 Glenmore Avenue, Islip, NY

Luis F. Molina · Vantage Realty Partners

23Active

$1,449,000

4 bd · 2 ba · 1,324 sqft

143 Ocean Road, Islip, NY

Joan Woletsky · The Agency Northshore NY

50Active

$1,299,999

7 bd · 6 ba · 4,171 sqft

12 Brooktree Court, Islip, NY

Michelle Keegan · Douglas Elliman Real Estate

9Active

$1,050,000

3 bd · 1 ba · 840 sqft

84 Oak Walk, Islip, NY

Nicholas Newman · Nicholas Jay Newman

Price Reduced28Active

$2,599,000

5 bd · 3 ba · 1,840 sqft

35 Gale Avenue, Islip, NY

Joan Woletsky · The Agency Northshore NY

1Active

$1,275,000

3 bd · 2 ba · 2,506 sqft

307 Plymouth Avenue, Islip, NY

Thomas S. Hennerty · Thomas S. Hennerty

Price Reduced47Active

$1,639,999

4 bd · 3 ba · 2,985 sqft

174 Secatogue Lane W, Islip, NY

Nicholas Campasano · The Agency Northshore NY

41Active

$2,100,000

4 bd · 2 ba · 2,100 sqft

833 Evergreen Walk, Islip, NY

Joan Woletsky · The Agency Northshore NY

45Active

$2,099,000

4 bd · 3 ba · 2,425 sqft

362 Surf Road, Islip, NY

Alyssa Caravella · The Agency Northshore NY

Price Reduced49Active

$1,149,500

4 bd · 3 ba · 2,653 sqft

19 Judith Place, Islip, NY

Jennifer B. Ronzo E-PRO PSA SRS SR · Real Broker NY LLC

Price Reduced50Active

$1,290,000

4 bd · 4 ba · 3,738 sqft

15 Saltmeadow Lane, Islip, NY

Christine A. Dougherty · Signature Premier Properties

30Active

$1,799,999

5 bd · 3 ba · 3,236 sqft

125 Pace Drive S, Islip, NY

Connor J. Caro · Patriot Real Properties Gr LLC

12Active

$1,599,000

4 bd · 2 ba · 1,328 sqft

63 Holly Walk, Islip, NY

Nicholas Newman · Nicholas Jay Newman

Price Reduced49Active

$2,499,000

5 bd · 6 ba · 6,386 sqft

38 The Helm, Islip, NY

Sherry L. Cutillo · Douglas Elliman Real Estate

Price Reduced44Active

$1,299,900

5 bd · 4 ba · 3,016 sqft

20 Millennium Court, Islip, NY

Tammy J. Ramsay · Eric G Ramsay Jr Assoc LLC

30Active

$1,199,000

3 bd · 2 ba · 736 sqft

140 Ocean Road, Islip, NY

Lisa Campbell · Netter Real Estate Inc

1 2 3

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

About Luxury Homes in Islip, NY

Luxury Homes in Islip, NY: 71 active listings as of November 3, 2026, 04:17 UTC.

Luxury Homes in nearby cities

Luxury Homes in Huntington
Luxury Homes in Hempstead
Luxury Homes in Riverhead

Islip housing market

September 2026

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

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

Your local brokerage

Thomas O'Leary

Realty.com

Lic. #10311208632

Call Thomas

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

September 2026

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.

Luxury Homes in Islip, NY