Ferries to Thassos Thassos is connected by ferry only with Kavala and Keramoti. Routes are carried out on a daily basis, almost every hour. Ferries from Kavala reach the port of Limenas, while ferries from Keramoti stop on the port of Skala Prinou. In each case, tickets cannot be booked online. You have to buy your ticket on the spot, before boarding on the ship.