The patron of Castel di Casio is Saint Blaise, celebrated on 3 February.
The town overlooks Lake Suviana and Lake Brasimone and holds the church of Santa Maria Assunta di Casola and the Oratory of the Beata Vergine Addolorata di Catomello. It also hosts the Museum of Scales and Period Objects, with the Albertazzi-Dazzani collections.
