Which ports are you interested in?   Places I know about: Livorno MSC €5 to the city centre, free shuttle to the port exit Marseille: MSC €15,99, free shuttle but very inconvenient, terrible port location Palma: MSC offers shuttle to city centre, no free shuttle but once you leave the terminal you are already at the promenade, it is possible to walk or take a public bus Ibiza: MSC shuttle available, no free shuttle but public bus and ferry available