To 18 ports; the busiest crossings are to Porto Venere (an hour, about nine times a day, early March to early December), Vernazza (10 minutes, about eight times a day, late March to October), Manarola (30 minutes, about eight times a day, late March to October), Riomaggiore (45 minutes, about eight times a day, late March to October), La Spezia (2 hours 5 minutes, four times a day, early March to early December), Levanto (20 minutes, about twice a day, late March to October), Isola Palmaria (50 minutes, every day, early November to early December and early March to late March) and Deiva Marina (50 minutes, three times a week, late June to August).