In one of the most famous and crowed beaches of the island, you can visit the ancient temple of Alyki which is dedicated to Dioskouroi Brothers in Thassos. You can also see the two basilicas of the 5th century. It is believed that the siight must have been prosperous owing to marble mining activities of the area. It is also believed that the Parthenon of the Acropolis was built using the marble stone of the island.