It’s the most spectacular of all cycladic islands, with its black beaches due to the volcanic eruption which was probably the biggest of the world as it changed the shape of the island and caused the catastrophe of the Minoan palaces of the island of Crete. According to a theory the island was part of the lost Atlantis. You can walk to the edge of the Caldera for spectacular views of the clifs and the lava.
At the ancient Akrotiri Pr. Marinatos in 1967 uncovered an ancient city which was buried beneath volcanic ashes. This is the best preserved prehistoric city of Greece (1.600 BC). Santorini is famous for its sunsets.