To 25 ports; the busiest crossings are to Kalymnos (1 hour 35 minutes, about twice a day in season), Agia Marina (Leros) (40 minutes, about twice a day in season), Lipsi (20 minutes, about twice a day in season), Kos (an hour and a half, about twice a day in season), Rhodes (4 hours 25 minutes, 12 times a week in season), Agathonisi (45 minutes, eight times a week in season), Pythagorio (1 hour 35 minutes, eight times a week in season) and Symi (3 hours 45 minutes, six times a week in season).