Hellenic Seaways sails 14 routes between 31 ports in Greece, mostly Piraeus, Spetses and Hydra. From Piraeus: Spetses, Hydra, Mytilene and 10 other ports. From Mytilene: Kavala and Limnos. From Syros: Milos, Lavrio, Santorini and 10 other ports. From Lavrio: Syros, Milos, Paros and seven other ports. From Andros: Syros, Lavrio, Tinos, Kea and Kythnos. From Santorini: Syros, Andros, Paros and Tinos.