You don't have to hop on a plane to discover golden dunes, soft sandy beaches, and shimmering blue waters. This dreamy Ontario destination is a summer oasis, with boardwalk trails and kilometres of beaches.Just around three hours from Toronto, the park is an idyllic spot for a warm-weather day trip, with beautiful places to swim, paddle, hike, and soak up the sunshine.You can easily spend the day exploring the sandy shoreline, wandering along du…