The volcano eruption, several times from come up to the surface of the submarine volcano gradually grow into a volcanic island. The volcano is now dormant, safer, and tour has become to the crater to santorini one of the most important tourism projects. When a ship every day in the summer from santorini to volcanic island adventure, many travel agencies group volcanic for accessing the volcanoes, hot springs tourism activities include swimming, to the holy island opposite Thirasia island to have a meal, finally back to the holy island view sunset and so on..