7. Read the daily calendar carefully.

Parents looking for kid-friendly activities check the schedule carefully to ensure their children don’t miss, say, the chance to meet "Frozen" characters or the scavenger hunt or a show they might enjoy. But adults should check it just as carefully to get a sense of where on the ship children will be gathering. Discover that right before dinner there is a big character meet-and-greet or a story time in public spaces? That just might be the right moment to grab a beer at the sports bar.