My husband and I are first time cruisers. We will be taking a 5 night Western Caribbean cruise in November. This has 2 ports, one in Cozumel and the other in Grand Cayman Islands. How much cash should I bring with me? I’ve heard it is better to put everything from the ship on my credit card, but bring cash for the ports. Also approximately how much is everyone’s final bill on the cruise? I just wanted to be prepared before I get s shock.