Castalia, Ohio is a small village located in Erie County. The climate in Castalia is characterized by warm summers and cold winters, with average temperatures ranging from 20°F to 81°F. The village is situated near the Sandusky River and has a groundwater aquifer that provides drinking water to the residents. Hydrology constituents in Castalia include nitrates, pesticides, and pathogens. Outdoor recreation opportunities include fishing at the nearby Castalia Quarry MetroPark, hiking at the nearby Sheldon Marsh State Nature Preserve, and exploring the village's parks and playgrounds. Castalia is also home to the Ghostly Manor Thrill Center, an indoor amusement park featuring a haunted house, roller skating rink, and arcade.