A Message from the Supervisor

“Welcome to Islip, the 3rd largest town in New York State, but with an endearing small town feel. We are so proud of our town…our beaches, golf courses, marinas, parks, housing opportunities for all, businesses, industrial parks, healthcare and educational institutions including our own Islip MacArthur Airport that provides many job opportunities. I sincerely hope you find this website helpful.” - Angie

LIRR Logo, reading "MTA, Long Island Rail Road"

September 23rd, 2019On Tuesday, September 24th the Long Island Rail Road (LIRR) will be preparing construction materials along the right of way (ROW), from 5th Avenue to Brentwood Road, between the hours of 9:00 am and 5:00 pm. Expect temporary grade crossing closures at 5th Avenue, 2nd Avenue, 4th Avenue and Brentwood Road.

Closures will not be extended but may be closed simultaneously to facilitate a long work train moving slowly.

While the work is in progress, MTA police will be onsite to ensure safe and orderly operation. For more information, please visit

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