If Royal Caribbean's gigantic ships feel like too much for your family, then the cruise line’s Mariner of the Seas might be a better fit. Discover all the fun to be had on board.

•EXERCISE CLASS: 9 a.m. Jan. 29, River Valley Complex (the former Pulaski Elementary School). Introductory exercise class with instructor Joanne Carrigan. The class will continue at 9 a.m. every ...