When planning your day in port, remember this important rule of family vacations: If the kids are happy, adults will be happy, too. Dragging a reluctant child shopping or on an all-day tour of historic sites is a sure way to turn your epic adventure into an epic fail. Find an activity that kids and adults will both love, and you'll get loads of positive feedback -- or at least a grudging acknowledgement from your hard-to-please teen.
Appropriate shore excursions can vary by age and interest, so we've broken out our favorite types of kid-friendly cruise activities by age group. Many of these excursions can be booked directly through your ship, but plenty of them can be arranged on your own, sometimes saving you money. Some require nothing more than a walk or quick cab ride to a local beach, zoo or attraction.