RiverFest in St. Mary’s City is a celebration of local waterways with kayaking, oyster tonging, musical entertainment, educational exhibits and other activities. The free annual festival features tall ships, music and free admission to the museum at Historic St. Mary’s City.

The festival is from 11 a.m. to 5 p.m. Saturday at 18751 Hogaboom Lane in St. Mary’s City. Visit the museum’s Web site or call 240-895-4990 for information.

Our Going Out Guide has more family-friendly activities on its kids page.