Across the path from the Xystos is the impressive private residence of Claudius Tiberius Jason Magnus, high priest of the Temple of Apollo in the 2nd century AD. The floor of the main entrance is covered with marble. A number of rooms, including the large dining room or banquet hall, feed off the main inner courtyard.
Around the courtyard are a few Corinthian capitals (one bearing the bearded face of Battus, Cyrene's founder and first king) and there are some well-preserved female figures draped with finely sculpted marble clothes. The best example of the house's mosaics is the superb Four Seasons mosaic, which is now kept under an unattractive aluminium roof. From the site, look down across the valley to the southwest, outside the site's perimeter, to see the small, recently excavated theatre.