Royal Caribbean costs more and gives you bigger ships, bigger shows, and CocoCay. Carnival costs less and keeps the trip social and simple, so the right pick depends on what your group values.

Disney wins for young kids who love characters and rotational dining. Royal Caribbean wins for tweens, teens, and big groups who want water parks, thrills, and a lower fare.

Royal Caribbean wins on attractions, families, and CocoCay. Norwegian wins on flexible dining and its Free at Sea bundle, which suits couples and adult groups.

Carnival and MSC both sell big ships at value fares, but they feel very different on board. Here is how I help clients choose between them.

Celebrity and Princess are both premium lines, but they differ on ships, bundled fares, gratuities, Alaska, and suites. This is how I help clients pick.

Royal Caribbean's four Icon class ships share one layout but differ by homeport, Broadway show, and a few new venues. This guide shows how to choose between them.