The average bus between Southampton and Mastic Beach takes 2h 30m and the fastest bus takes 1h 52m. There is a bus service every few hours from Southampton to Mastic Beach. 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 Southampton and Mastic Beach. The earliest departure is at 5:05 AM in the morning, and the last departure from Southampton is at 8:12 PM which arrives into Mastic Beach at 10:50 PM. All services require a transfer, and take on average 2h 30m. The schedules shown below are for the next available departures.

2h 36m • 1 change

2h 22m • 1 change

3h 16m • 1 change

2h 34m • 1 change

2h 33m • 1 change

1h 58m • 1 change

2h 33m • 1 change

2h 33m • 1 change

2h 31m • 1 change

1h 56m • 1 change

2h 31m • 1 change

2h 31m • 1 change

2h 12m • 1 change

2h 12m • 1 change

2h 12m • 1 change

1h 52m • 1 change
Want to know about travelling from Southampton to Mastic Beach? 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 Southampton to Mastic Beach. However, there are services departing from Southampton station and arriving at Mastic Beach station via Riverhead LIRR. The journey, including transfers, takes approximately 2h 30m.
Southampton to Mastic Beach bus services, operated by Suffolk County Transit, depart from Nugent St/Windmill Ln station.
Southampton to Mastic Beach bus services, operated by Suffolk County Transit, arrive at Whittier Dr/Neighborhood Rd station.
The distance between Southampton and Mastic Beach is 39.9 km. The road distance is 63 km.
You can take a bus from Nugent St/Windmill Ln to Whittier Dr/Neighborhood Rd via Riverhead LIRR in around 2h 29m.