Please purchase tickets beforehand at https://elding.is/videy-ferry-skarfabakki
The ferry leaves Skarfabakki at 13:15. The event itself is free of charge but you have to buy tickets for the ferry. Those with a Reykjavík Culture Pass receive a 10% discount on ferry tickets, and holders of the Reykjavík City Card (Citycard.is) travel for free.