Visiting Dia Island: A Hidden Paradise Located just off the coast of Heraklion, Dia Island is one of Crete’s best-kept secrets. Protected and uninhabited, it offers a side of Greece most tourists never see. Can You Visit Dia Island? Yes—but only by boat. There are no ferries or hotels, which keeps it peaceful and untouched. What to Expect Turquoise water perfect for swimming Rocky coves and natural bays Amazing snorkeling with marine life Best Things to Do Swim in hidden ba