To 24 ports; the busiest crossings are to Santorini (45 minutes, twice a day in season), Naxos (3 hours 15 minutes, nine times a week, late May to September), Katapola (Amorgos) (1 hour 5 minutes, every day, late May to September), Koufonissi (1 hour 40 minutes, every day, late May to September), Ios (1 hour 40 minutes, every day, late May to September), Sikinos (2 hours, every day, late May to September), Schinoussa (2 hours 5 minutes, every day, late May to September) and Iraklia (2 hours 20 minutes, every day, late May to September).