To 9 ports; the busiest crossings are to Wannsee (30 minutes), Cecilienhof (20 minutes), Potsdam (50 minutes), Kladow (20 minutes, every day, April to early October), Sacrow (30 minutes, every day, mid-May to early October), Moorlake (45 minutes, every day, mid-May to early October), Glienicker Brücke (1 hour 10 minutes, every day, mid-May to early October) and Tegelort (2 hours 35 minutes, three times a year, late June to late August).