Schweizerische Bodensee-Schifffahrt sails eight routes between 21 ports in Switzerland, Germany and Austria, mostly Romanshorn, Friedrichshafen and Rorschach. From Romanshorn: Friedrichshafen, Rorschach, Lindau and 11 other ports. From Rorschach: Lindau, Rheineck, Bregenz, Wasserburg, Staad and Altenrhein. From Immenstaad: Güttingen, Altnau and Hagnau.