Requirements for entering Iceland. A passport is required, but no visa is needed for tourist or business stays of up to three months within any six-month period. U.S. citizens should be aware, however, that because Iceland is now part of the EU's Schengen area, the three-month period begins as soon as they enter any Schengen country. For stays longer than three months, or for visitors who will be studying or working in Iceland, a visa is required. Applications for Icelandic visas Applications are processed by the Embassy of Denmark in Washington D.C., and the Danish Consulates  more