The visitors of Ioulis have the opportunity to admire two significant architectural monuments, both works of the great German architect Ernst Ziller, the new Town Hall and the historic Town Hall of the island.
The building where is based the Municipality of Kea used to host Ioulis’ Elementary School. It is built based on Ziller’ s designs and has in its 100-year life hosted, among others, a Pre-Secondary School, a Secondary School and a High School. Today it is regarded as a building under preservation while recently it has been restored.