The average bus between Southold and Central Islip takes 4h 18m and the fastest bus takes 2h 41m. There is a bus service every few hours from Southold to Central 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 Southold and Central Islip. The earliest departure is at 5:10 AM in the morning, and the last departure from Southold is at 8:13 PM which arrives into Central Islip at 5:21 AM. All services require a transfer at Riverhead LIRR and take an average of 4h 18m. The schedules shown below are for the next available departures.


2h 41m • 2 changes


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2h 41m • 2 changes


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4h 3m • 2 changes
Want to know about travelling from Southold to Central 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 Southold to Central Islip. However, there are services departing from Southold station and arriving at Central Islip station via Riverhead LIRR. The journey, including transfers, takes approximately 4h 18m.
Southold to Central Islip bus services, operated by Suffolk County Transit, depart from NYS 25/Youngs Ave station.
Southold to Central Islip bus services, operated by Suffolk County Transit, arrive at Smith Haven Mall station.
The distance between Southold and Central Islip is 71.9 km. The road distance is 84 km.
You can take a bus from NYS 25/Youngs Ave to W Suffolk Ave/Wheeler Rd via Riverhead LIRR and Smith Haven Mall in around 3h 25m.