Housed in a part of a Roman bath restored by Anastasios Orlandos in 1935, the Archaeological Museum of Sikyon tells the story of ancient Sikyon, showcasing aspects of public and private life of its inhabitants. Among its exhibits are Mycenaean vases from Xylokastro, a marble bust of Apollo reminiscent of the work of Praxiteles, mosaic floors, and early Christian and Byzantine sculptures.

Located north of the market of the Hellenistic and Roman city, the museum’s atrium and three rooms display the treasures of Sikyon and surrounding areas, including finds from the city of Stymphalos, the city of Pellini, and the Pitsa Cave, dating from the Mycenaean to the early Christian period.