Wasaga Beach is a town in Simcoe County, Ontario, Canada. Situated along the longest freshwater beach in the world, it is a popular summer tourist destination, located along the southern end of Georgian Bay, approximately two hours north of Toronto, and neighbours, to the west, the town of Collingwood. Wasaga Beach is situated along 14 kilometres (8.7 mi)[3]of sandy beach on Nottawasaga Bay and the winding Nottawasaga River.

Wasaga Beach Provincial Park is the first provincial park in Canada to be awarded the Blue Flag designation for its efforts to manage Wasaga Beach's shoreline according to international environmental standards.