Cruise Etiquette A cruise liner is similar to a little town or town. 2) Be Respectible: When you’re on board a cruise liner, ensure that you’re effectively dressed at all times. If you would not use that technique to go to the video gaming center or a dining center or the swimming pool, then do not believe that you can get away with it simply thinking about that your on a cruise liner. A cruise liner is much like a little town or town. If you would not wear that technique to go to the video gaming center or a dining center or the pool, then do not believe that you can get away with it simply due to the fact that your on a cruise liner.