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

May 5th, 2020 The Long Island Railroad has scheduled rehabilitation work at the Islip Ave Rail Crossing. To complete grade crossing rehabilitation and in response to community concern, urgent paving work is scheduled on the LIRR's Montauk Branch in the following area:

ISLIP, TOWN OF ISLIP –Islip Avenue (Route 111) Thursday, May 8 to Friday, May 9 between 6:00PM and 8:00AM

  • LIRR will be conducting urgent paving at Islip Avenue Grade Crossing and will be closed to road traffic.
  • During those hours vehicles will use Commack Road/Nassau Avenue for alternate access.
While the work is in progress, the LIRR and MTA Police will be on site to facilitate safe traffic control. For more information, please visit

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