Iceland is a member of the Schengen Agreement, meaning travellers from EU and EES/EFTA countries are exempt from border controls. Residents of Schengen country’s can stay in Iceland for 90 days without applying for a visa.
Visitors coming from outside the Schengen area need to present a valid passport upon arrival (valid for at least three months beyond the date of entry). Some people might need to have a visa to enter the country here is an interactive portal to access information about who need a visa to enter Iceland.