To 21 ports; the busiest crossings are to Mastichari (Kos) (30 minutes, about nine times a day), Pserimos (20 minutes, about four times a day), Kos (35 minutes, about three times a day in season), Patmos (1 hour 35 minutes, about three times a day in season), Lipsi (1 hour 10 minutes, about twice a day in season), Rhodes (2 hours 45 minutes, about twice a day in season), Agia Marina (Leros) (45 minutes, twice a day in season) and Symi (2 hours, 12 times a week in season).