It is located partly on Reichenau Island with its famous abbey and on the northern shore of the Untersee section of Lake Constance. The island has historically been the center of the community. The administrative seat of the municipality is in the village of Mittelzell. A causeway built in 1838 connects the isle with the mainland. The municipality consists of the settlements Niederzell, Mittelzell und Oberzell on the island as well as Lindenb�hl and Waldsiedlung on the shore
