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Montauk Point Lighthouse on a bluff above the Atlantic Ocean
Montauk Point Light at the eastern tip of Long Island · credit

Local businesses in Islip, NY

The Town of Islip stretches along Suffolk County's South Shore and includes Bay Shore, Brentwood, and the county's main airport.

Population
339,938
County
Suffolk County
ZIP
11751, 11706, 11717

Find a service in Islip

Listings coming soon in Islip

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Good to know in Islip

  • Long Island MacArthur Airport in Ronkonkoma is within the town
  • Ferries from Bay Shore serve Fire Island communities across the Great South Bay
  • The LIRR Montauk and Ronkonkoma branches cross the town

Permits & licensing

Contractor licensing runs through the county consumer-affairs office, while building permits are issued by individual town, city, and village building departments. Licensed trades such as electricians and plumbers are often licensed at the town or county level on Long Island.

More on the Suffolk County hub and the New York hub.

Nearby towns