The Museum has a vestibule with a shop of the Archaeological Resources Fund and three halls where the exhibition of finds from the island, dating from the Paleolithic to the late Roman period, is being developed.

Room I

In Hall I there are exposed pyritolithic tools of the Paleolithic period, found in abundance in Sami, Fiskardo and Skala, various objects of the Neolithic period found on the island from time to time – most of them coming from the cave of Drakaina in Poros. There are also representative clay pots of the Middle Helladic period, mainly from the box-shaped tombs of Kokkola, as well as valuable miniature crafts and ceramics from the pits and the two vaulted tombs in Kokkola, belonging to the last Mycenaean period (Late Helladic III A2- III C, 1390/70 – 1060/40 BC).

Room II

The most important period for Kefalonia is the Mycenaean, to which the entire Hall II has been dedicated. In nine showcases, the most representative objects from the voluminous, Mycenaean collection of the Museum, demonstrating all the manifestations of this Culture. The vast majority of them come from tombs.

Room III

The exhibits of Hall III are related to the Kefalonia Quartet of the 5th century BC, which consisted of four city-states, Wrestling, Krani, Pronni and Sami. There are findings from the area of ​​Paliki, among which are the Hydria of the 8th century BC. And a marble head of a bearded Silon and a plastic vase in the form of a slave head of Roman times.There are also objects from the rich Roman cemetery in Fiscardo, from the cemetery of Kokkola and Metaxata, from the regions of Krani and Prononi, and from the cave of Diakata, from Sami and its wider region, to the Which we know more about the rescue excavations carried out there.