The Oslo Ferries are the ferry boats from Vippetangen to the islands of the inner Oslo Fjord. There are also ferries from Rådhusbrygga (behind City Hall) to the Bygdøy peninsula.
Line 91: to Dronningen and Bygdøynes at Bygdøy (summer only)
Line 92: to Hovedøya, Lindøya vest, Nakholmen (all year)
Line 93: to Bleikøya, Gressholmen, Lindøya øst, Hovedøya (all year)
Line 94: to Langøyene (summer only)
All Ruter tickets (tickets for public transport in Oslo) are valid on the ferries. Tickets are not sold on the islands, so buy your tickets in advance or use Ruter's mobile ticket app
The Oslo Ferries are operated by Marine-Service.