And you get the shipboard credit on every cruise you take, no matter how many per year. The shipboard credit pays much better than dividends. It's called a Shareholder Benefit. The RCI stock is good on both Royal Caribbean and Celebrity.
On the other hand, if you own 100 shares of Carnival stock, you get onboard credit on any of the following lines: Carnival, Princess, Costa, Holland America, Seabourne, Windstar, P&O, Cunard, and Swan Hellenic.