The Municipal Library of Sikyon consists of two floors and contains over 6,000 book titles: literature, philosophy, reference materials (encyclopedias, etc.), children's literature, poetry, essays, history, psychology, supplementary books for students, biographies, as well as works of Greek classical authors.

The library primarily serves as a lending library, with the possibility of using a reading area for its visitors. The first floor, where many events take place, has a children's section and a Local History section.