The people of Santorini know how to have a good time. Summer is the season of festivities, mainly religious ones. Attending one will bring you that much closer to the local culture. Make sure to be at Santorini around the 15th of August, which is when many churches and monasteries around the island celebrate the Assumption of Mary. At Kamari, Oia and Perissa, you will see people dancing, enjoying local delicacies and generally having lots of fun.