To 19 ports; the busiest crossings are to Katapola (Amorgos) (20 minutes, about five times a day in season), Naxos (35 minutes, about four times a day in season), Schinoussa (15 minutes, about twice a day in season), Iraklia (30 minutes, about twice a day in season), Milos (4½ hours, three times a day, late April to early October), Paros (1 hour 15 minutes, about twice a day in season), Santorini (1 hour 50 minutes, twice a day, late April to early October) and Mykonos (2 hours 15 minutes, twice a day, late April to early October).