To 9 ports; the busiest crossings are to Tegelort (15 minutes), Nieder Neuendorf (45 minutes), Heiligensee (50 minutes, three times a day, late March to late October), Haus der Kulturen der Welt (1 hour 50 minutes, 14 times a month, May to September), Wannsee (2 hours 10 minutes, three times a year, late June to late August), Pfaueninsel (2 hours 35 minutes, three times a year, late June to late August), Cecilienhof (2 hours 55 minutes, three times a year, late June to late August) and Potsdam (3 hours 25 minutes, three times a year, late June to late August).