Travel to the Caribbean on Carnival! A Carnival Cruise Caribbean vacation lets you travel to various destinations in the Caribbean Sea aboard a Carnival "Fun Ship." Every day onboard a Carnival cruise ship is an adventure. Carnival offers a variety of great activities and entertainment onboard. What's more, when you reach your Carnival Caribbean Cruise destination, you can enjoy excursions in various ports of call. With Carnival Caribbean Cruise destination itineraries designed with adventure and fun in mind, your family will have a ball! Memorialize your vacation with Caribbean Carnival Photos. A Carnival Cruise Caribbean vacation comes with a guarantee that you will have the time of your life.