To 19 ports; the busiest crossings are to Iraklia (5 minutes, about twice a day in season), Koufonissi (15 minutes, about three times a day in season), Katapola (Amorgos) (50 minutes, about three times a day in season), Naxos (an hour, about twice a day in season), Mykonos (1 hour 50 minutes, every day, late May to September), Anafi (2 hours 5 minutes, every day, late May to September), Tinos (2 hours 15 minutes, every day, late May to September) and Syros (2 hours 45 minutes, every day, late May to September).