“To comply with guidelines for going ashore, all guests (including infants) must carry a passport book that is valid for at least 6 months after the cruise ends. Guests will be permitted to sail with other acceptable travel documentation, but they must remain on board when the ship visits Panama,” the cruise line communicated.

The cruise line and some of its frequent cruisers have explained how they handle situations that could lead to big bills.

That's something one passengers complained about to Carnival Cruise Line Brand Ambassador John Heald on his Facebook page. "Good morning, I would like to know why we have to selec

Frequent cruisers on the cruise line had very similar answers that new-to-cruise people should pay attention to.

Cruise ships have a lot of rules and some are only loosely enforced. In the case of some rules, while it may be frustrating to see other passengers break the cruise line's official policies, it does not actually impact you.