Princess Cruises
- Offers a more traditional cruise experience that includes main dining rooms, limited specialty restaurants and song-and-dance revue-style evening shows Newest ships have a few innovations including the SeaWalk (on Royal Princess and Regal Princess), a see-through glass walkway that hangs off one side of the ship 16 decks above the water
Royal Caribbean International
- Known for cruise industry innovations including the first-at-sea rock-climbing walls, ice skating rinks and the FlowRider surf simulator; newest innovations include vertical tube skydiving and indoor bumper cars