Getting off a cruise ship is not the same as checking out of a hotel — you can't just leave the ship when you feel like it. Mistakes do happen, so there will inevitably be long lines at guest services on disembarkation day, with people discussing specific charges. Related: A beginners guide to picking a cruise lineDon't forget your group colorSuitcases lined up outside a cruise ship. You must pick up your liquor at the time and place your cruise ship tells you before you disembark. Related: What to wear on a cruise: Cruise attire and cruise line dress codesScour your cabinOcean-view cabin on Grandeur of the Seas.