Altnau

• Get aroundA joint webpage offers an overview of the boat and ferry routes.
• Get aroundThe major boat/ferry operators are: Bodensee-Schiffsbetriebe (Germany) Vorarlberg-Lines Bodenseeschifffahrt (Austria) SBS Schifffahrt (Switzerland) The fastest boat crossings are: The car ferry between Meersburg and Konstanz (for cars, bikes, pedestrians).
• Get aroundCrossings are frequent and you shouldn't have to wait long as there is often a ferry loading when you drive onto the slip.
• Get aroundEven at night times, ferries cross the lake hourly.
• Get aroundIf you travel by foot, be aware that buses might not be available all night, while ferries still are.
• Get aroundThere are usually taxi cabs waiting around the ferry docks though.
• Get aroundThe car ferry between Friedrichshafen and Romanshorn (for cars, bikes, pedestrians).
• Get aroundConsider the Euregio Bodensee day ticket which offers you unlimited rides on trains/buses around Lake Constance and discounts on specific ferries.

From Wikivoyage: Lake Constance, CC BY-SA. Not yet checked by us. Last edited 2026-05.