Marstrandsfärjan (Marstrand ferry)
A single ticket costs SEK 41 for adults and SEK 31 for youth. The price with Pay-as-you-go card is SEK 32 for adult and SEK 24 for youth.
The return trip from Marstrandsön to Koön is free.
If you have already bought a bus ticket in Kungälv municipality or you have a period card that is valid in Kungälv municipality, you can use the ferry at no extra cost.
If you travel on the ferry often during a calendar year, but do not need to travel elsewhere in the municipality, you may be better off buying a Marstrand 365 ticket.