Homes for sale in Islip, NY

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For SaleOneKey® MLS

$235,000

2439 Union Boulevard Unit 3A, Islip

1 bd · 1 ba · Condo · 22 DOM

1054259, BH&G R E Realty Connect, Kerri Passamenti

For SaleOneKey® MLS

$284,999

2449F Union Boulevard Unit 9B, Islip

2 bd · 1 ba · Condo · 78 DOM

1020097, RE/MAX Team, Nicole Schwartz

For SaleOneKey® MLS

$1,925,000

110 Elder Road, Islip

4 bd · 2.5 ba · House · 31 DOM

1045909, Compass Greater NY LLC, David P. Sanders

For SaleOneKey® MLS

$945,000

10 Grace Court, Islip

3 bd · 3 ba · House · 8 DOM

1055822, Douglas Elliman Real Estate, Alexandra N. Miceli

For SaleOneKey® MLS

$699,990

86 Union Avenue, Islip

3 bd · 1.5 ba · House · 16 DOM

1048892, Michael J Watts & Assoc Inc, Michael J. Watts

For SaleOneKey® MLS

$649,000

50 Bittermint Street, Islip

3 bd · 3 ba · House · 20 DOM

1055337, Island Edge Homes, Taru Rai

For SaleOneKey® MLS

$219,000

150 Main Street Unit 1A, Islip

2 bd · 1 ba · House · 22 DOM

1054700, HomeSmart Dynamic Realty, Alexandria L. Forgione

For SaleOneKey® MLS

$739,000

2 Taft Avenue, Islip

4 bd · 2.5 ba · House · 22 DOM

1054984, ARVY Realty, Oscar M. Salazar Sorto

For SaleOneKey® MLS

$239,990

2449 Union Blvd Unit 21A, Islip

1 bd · 1 ba · Condo · 27 DOM

1052821, Michael J Watts & Assoc Inc, Michael J. Watts

For SaleOneKey® MLS

$829,999

24 William Avenue, Islip

5 bd · 2.5 ba · House · 29 DOM

1051841, Netter Real Estate Inc, Annie L. Bos Greene

For SaleOneKey® MLS

$699,000

27 Rose Street, Islip

4 bd · 2 ba · House · 31 DOM

1023313, Howard Hanna Coach, Susan P. Simmons CBR

For SaleOneKey® MLS

$680,000

173 Ferndale Boulevard, Islip

5 bd · 3 ba · House · 34 DOM

1050081, Millennium Homes, Luis Lino CBR

For SaleOneKey® MLS

$229,000

150 Main Street Unit 1, Islip

2 bd · 1 ba · House · 36 DOM

1049424, HomeSmart Dynamic Realty, Alexandria L. Forgione

For SaleOneKey® MLS

$699,999

41 Richmond Street, Islip

4 bd · 2 ba · House · 42 DOM

1047602, EXP Realty, Michael C. Kenny

For SaleOneKey® MLS

$279,999

2453 Union Boulevard Unit 39B, Islip

2 bd · 1 ba · Condo · 43 DOM

1046252, Coldwell Banker American Homes, Christine Hodulick

For SaleOneKey® MLS

$649,995

437 Moffitt Boulevard, Islip

5 bd · 3 ba · House · 44 DOM

1045374, Keller Williams Points North, Steven Rivera

For SaleOneKey® MLS

$1,449,000

12 Bayview Avenue, Islip

3 bd · 2 ba · House · 52 DOM

1033491, Compass Greater NY LLC, David P. Sanders

For SaleOneKey® MLS

$255,000

2397 Union Boulevard Unit 7A, Islip

1 bd · 1 ba · Condo · 58 DOM

1040041, Cornerstone Properties of LI, Nicole A. Calandro

For SaleOneKey® MLS

$599,999

25 Beverly Street, Islip

3 bd · 1 ba · House · 62 DOM

1039015, Signature Premier Properties, Jeanine Entenmann

For SaleOneKey® MLS

$149,900

112 Cardinal Lane Unit 2A, Islip

1 bd · 1 ba · Condo · 64 DOM

1023017, Coldwell Banker American Homes, Richard R. Krug PSA SRES SFR

For SaleOneKey® MLS

$720,000

72 Peckham Avenue, Islip

5 bd · 3 ba · House · 66 DOM

1037226, Nova Real Estate NY Corp, Michelle A. Juarez Garcia Prieto

For SaleOneKey® MLS

$65,000

150 Main Street Unit 1F, Islip

1 bd · 1 ba · House · 80 DOM

1029685, Douglas Elliman Real Estate, Kim S. Palazzolo

For SaleOneKey® MLS

$235,000

2453 D Union Boulevard Unit 4A, Islip

2 bd · 1 ba · Condo · 111 DOM

1018874, Exit Realty First Choice, Roman Davydov

For SaleOneKey® MLS

$220,000

2453 union blvd BLVD Unit 24a, Islip

1 bd · 1 ba · Condo · 122 DOM

1014013, Migrate Realty LLC, Miles Pollak

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Based on information submitted to the MLS GRID as of 10/14/2026, 4:14 AM EDT. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information.

Listings courtesy of OneKey® MLS as distributed by MLS GRID.

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