The average bus between Shirley and Islip takes 1h 25m and the fastest bus takes 1h 4m. There is an hourly bus service from Shirley to Islip. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Buses run hourly between Shirley and Islip. The earliest departure is at 6:56 AM in the morning, and the last departure from Shirley is at 11:02 PM which arrives into Islip at 6:11 AM. All services require a transfer, and take on average 1h 25m. The schedules shown below are for the next available departures.

1h 9m • 1 change

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1h 13m • 1 change

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1h 13m • 1 change
Want to know about travelling from Shirley to Islip? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
No, there is no direct bus from Shirley to Islip. However, there are services departing from Shirley station and arriving at Islip station via Patchogue LIRR. The journey, including transfers, takes approximately 1h 25m.
Shirley to Islip bus services, operated by Suffolk County Transit, depart from Montauk Hwy/Camp Upton Rd station.
Shirley to Islip bus services, operated by Suffolk County Transit, arrive at Islip Town Hall station.
The distance between Shirley and Islip is 29.9 km. The road distance is 36 km.
You can take a bus from Montauk Hwy/Camp Upton Rd to Islip Town Hall via Patchogue LIRR in around 1h 28m.