The average bus between Islip and Port Washington takes 3h 59m and the fastest bus takes 3h 30m. The bus service runs several times per day from Islip to Port Washington. 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 twice daily between Islip and Port Washington. The earliest departure is at 6:11 AM in the morning, and the last departure from Islip is at 11:06 PM which arrives into Port Washington at 8:43 AM. All services require a transfer at Amityville LIRR and take an average of 3h 59m. The schedules shown below are for the next available departures.



3h 33m • 3 changes



3h 33m • 3 changes



3h 30m • 3 changes



3h 31m • 3 changes
Want to know about travelling from Islip to Port Washington? 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 Port Washington. However, there are services departing from Islip station and arriving at Port Washington station via Amityville LIRR. The journey, including transfers, takes approximately 3h 59m.
Islip to Port Washington bus services, operated by Suffolk County Transit, depart from Islip Town Hall station.
Islip to Port Washington bus services, operated by Suffolk County Transit, arrive at Main St Opp Madison Ave station.
The distance between Islip and Port Washington is 42.4 km. The road distance is 72 km.
You can take a bus from Islip Town Hall to Main St Opp Madison Ave via Amityville LIRR, Amityville Sta, (arr.) Hemp TC / West, Hemp Trans Ctr / Bays 16-21, and Mineola Bus Term in around 3h 55m.