Looking for cruise essentials beyond the usual packing lists? These three affordable cruise must-haves are the non-negotiables I pack for every sailing — practical, underrated items that make cruising easier and more enjoyable.

Not all Royal Caribbean ships let you reserve shows ahead of time—but the ones that do? You’ll want to plan accordingly. Here’s how show reservations work, when to book them, and why some of the best entertainment at sea is worth scheduling around.