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's logo reading "MTA Long Island Rail Road"

July 2nd, 2019 – The LONG ISLAND RAIL ROAD has announced grade crossing rehabilitation work scheduled on LIRR's Mainline in Brentwood on Wednesday, July 3rd from 7AM - 6PM. The Brentwood Road Crossing will be rehabilitated and closed to road traffic. While work is in progress, vehicles will be directed to use Fourth Street for alternate access.

During those hours, LIRR and MTA Police will be on site to facilitate safe traffic control. For more information, please visit

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