Related: Carnival Cruise Line passengers share special celebration tips. Some of these optional extras seem like cruise essentials to some passengers, but their costs can make cru

Carnival’s vegan menu has more in common with the standard dinner menu than you might think, with the caveat that all of the proteins it features are plant-based. For example, there was a shrimp cocktail and Caesar salad on Heald’s vegan menu, but with some crucial ingredient substitutions.

On Royal Caribbean’s ships, Starbucks drinks are not included in any drink package, while hand-crafted beverages from Café Promenade (which use Starbucks coffee) are. Plus, the beverages sold at Starbucks are significantly more expensive than comparable drinks served at the alternative.