Isola del Giglio; English: Giglio Island is an Italian island and comune situated in the Tyrrhenian Sea, off the coast of Tuscany, and is part of the Province of Grosseto. The island is one of seven that form the Tuscan Archipelago, lying within the Arcipelago Toscano National Park. In 2012, the cruise ship Costa Concordia foundered off the coast of the island.