Packing cubes may not be essential, but they will make for a tidier stateroom. You'll find unpacking a lot faster when your clothes are organized into categories, like beachwear, resortwear, formalwear, and shoes.
One of the best ways to enjoy a cruise is to stay on the ship while it's docked at least once. Ships are often pretty empty on port days, so spas offer deals, and lounge chairs are easy to snag.
"You can effectively bring an entire bookshelf of engaging reading material in a single, slim gadget. It's ideal for keeping yourself entertained and educated on itineraries with several sea days or long crossings."