Suggestions for port adventures for 7 night Mediterranean with Greek Isles Cruise from Civitavecchia (Rome)

[Disneygirlxo91]

Looking to get some suggestions for port adventures you may have done in the past or have plans to do on an upcoming sailing we will be going to our ports will be Naples (Pompeii), Mykonos, Athens, , and Chania

any suggestions are greatly appreciated