The average bus between Islip and Greenport takes 3h 39m and the fastest bus takes 2h 51m. There is a bus service every few hours from Islip to Greenport. 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 Islip and Greenport. The earliest departure is at 5:56 AM in the morning, and the last departure from Islip is at 10:55 PM which arrives into Greenport at 7:50 AM. All services require a transfer at Patchogue LIRR and take an average of 3h 39m. The schedules shown below are for the next available departures.


2h 53m • 2 changes


2h 53m • 2 changes


2h 53m • 2 changes


2h 53m • 2 changes


2h 51m • 2 changes


2h 51m • 2 changes


2h 51m • 2 changes


2h 51m • 2 changes


2h 59m • 2 changes


3h 4m • 2 changes


3h 9m • 2 changes


3h 9m • 2 changes


2h 59m • 2 changes


3h 4m • 2 changes


3h 9m • 2 changes


3h 9m • 2 changes
Want to know about travelling from Islip to Greenport? 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 Islip to Greenport. However, there are services departing from Islip station and arriving at Greenport station via Riverhead LIRR. The journey, including transfers, takes approximately 3h 39m.
Islip to Greenport bus services, operated by Suffolk County Transit, depart from Patchogue LIRR station.
Islip to Greenport bus services, operated by Suffolk County Transit, arrive at 1st St/Adams St station.
The distance between Islip and Greenport is 82.7 km. The road distance is 113 km.
You can take a bus from Islip Town Hall to 1st St/Adams St via Patchogue LIRR and Riverhead LIRR in around 3h 35m.