The Archaeological Museum of Rhodes is housed in the medieval building of the Hospital of the Knights. The building was begun in 1440 by Grand Master de Lastic with money bequeathed by his predecessor, Fluvian, and completed in 1489 by Grand Master d'Aubusson. The Museum contains the following collections: Tomb groups from ancient Ialysos of the Geometric and Classical periods: vases, figurines, jewellery, metal objects. Tomb groups from ancient Kamiros of the Geometric and Classical periods: vases and small objects.

A collection of Classical, Hellenistic and Roman sculpture.

Mosaic floors of the Hellenistic period from Rhodes town and of the Early Christian period from Karpathos.

Funerary slabs from the period of the Knights with relief representations of the dead persons or of their coats of arms