Interested in cruise line rules about bringing water, soda, and other non-alcoholic beverages aboard? Most people look forward to a cruise's adult libations -- an umbrella drink in one hand can mysteriously put anyone in a better mood. But that doesn't mean you only want to drink booze for a week. While water, juice, and tea are usually free on a cruise, you often have to go to the ship's restaurants to get them. Meanwhile, non-alcoholic drinks like sodas cost extra (usually around $3 per ser...
