The city ferry operates from the Old town (Gamlebyen) to Ålekilene and back. One of the stops is the city centre.

Gamlebyen – Ålekilene

 

There are 3 ferry routes in Fredrikstad. They are pure passenger ferries and an important part of public transport in Fredrikstad. 

You can find all the timetables here

 

It is free to use the ferries!