Five cruise lines operate out of New Orleans. Carnival Cruises, Norwegian Cruise Line, and Crystal have Caribbean cruises from the Big Easy. American Cruise Line and the American Queen offer Mississippi River cruises. Take your pick and enjoy a voyage on a New Orleans cruise ship.
Carnival Cruises specializes in affordable cruises to the coast of Mexico from New Orleans. 4-, 5- and 7-day cruises sail to ports like Cozumel, Progreso and Jamaica. They also offer cruises to the Bahamas. Departures all year-round on "fun ships."
Norwegian Cruise Line makes 7-day western Caribbean cruises from New Orleans. You'll visit Costa Maya, Belize, Roatan Island and Cozumel. A Norwegian "Freestyle Cruise" offers a variety of exciting restaurants, a relaxed dress code and lots of choices of things to see and do. Norwegian also offers a 15-day Panama Canal cruise to Los Angeles.
Crystal Cruises offers cruises from New Orleans to deep in the Caribbean. Their luxury ships are consistent award-winners.
American Cruise Line has two riverboats making cruises up the Mississippi River from New Orleans. The Queen of the Mississippi and the American Eagle are real paddlewheel boats with spacious overnight staterooms.
The American Queen Steamboat Company offers luxury steamboat cruises on the Mississippi River out of New Orleans. Some are round-trips and others are one-way to Memphis.
Royal Caribbean used to have cruises from New Orleans, but they don't now. Maybe they'll return someday.