of which Mainau was part, was incorporated into it. Mainau is still part of Litzelstetten, now one of 15 wards of Konstanz.

The island belongs to the Lennart Bernadotte-Stiftung (Lennart Bernadotte Foundation), an entity created by Prince Lennart Bernadotte, Count of Wisborg, originally a Prince of Sweden and Duke of Småland. It is one of the main tourist attractions