Thinkstock 1. The Grotto, Bruce Peninsula National Park Ethan Meleg / All Canada Photos The Grotto is a large cave on the shore of Georgian Bay that the waves eroded over the years, creating the perfect swimming hole. You'll feel like you're in the Caribbean with these crystal blue waters. 2. Wasaga Beach, Simcoe County Ken Gillespie/ All Canada Photos The world’s longest freshwater beach, Wasaga is the ideal summer party beach with long stretches of smooth sand to stroll along. 3. Sandbanks, Prince Edward County Mike Grandmaison / Design Pics / First Light Some of the finest coastal sand dune systems in all of Ontario can be found here! With plenty of water sports, Sandbanks is the perfect summer destination. 4. Grand Bend Beach, Lake Huron Shutterstock Grand Bend Beach has some 30 miles of sandy beach for visitors to enjoy. But the fun doesn't stop when the sun goes down! The nightlife is bumping, with tons of great restaurant and clubs. 5. The Beach, Toronto Shutterstock The Beach in Toronto is perfect for a long walk down the boardwalk or a dip in Lake Ontario. Plus, it's a close walk to Queen Street for a bite to eat or some casual window shopping. 6. Sauble Beach, Lake Huron Ethan Meleg/ All Canada Photos Enjoy the summer sunshine on the second longest freshwater beach in the world. Sauble has an 11-kilometre-long white, sandy beach! 7. Cobourg Beach, Lake Ontario Shutterstock The golden sandy beach of Cobourg hosts the annual Sandcastle Festival — an amazing sight to see. 8. Agawa Bay, Lake Superior Ken Gillespie/ All Canada Photos Agawa Bay is the perfect site for a summer camping trip. The scenic 3-kilometre beach spans from the campground straight to the Agawa River. 9. Lion’s Head Beach, Bruce Peninsula Ken Gillespie/ All Canada Photos This serene port was named for its resemblance to a lion's head when viewed from Georgian Bay. Take in the surreal sunsets over the turquoise blue waters. 10. Sugar Beach, Toronto Arpad Benedek / Getty Images The adorable pink umbrellas at Sugar Beach make for the perfect photo op. This beach is ideal for city dwellers who want to enjoy the sunshine while taking in the amazing Toronto skyline. 11. Port Stanley Beach, Lake Erie Barrett & MacKay/ All Canada Photos The maritime feel on Port Stanley beach is unforgettable, plus the main beach is perfect for swimming and boating. 12. Pancake Bay, Lake Superior Doug Hamilton/ First Light This pancake-shaped bay has shallow, sandy waters to swim in. For a panoramic view of Lake Superior, hike up to the Edmund Fitzgerald lookout. 13. Long Point, Lake Erie Oleksiy Maksymenko/ All Canada Photos This stunning sandy peninsula on Lake Erie spans about 40 kilometres and has some of the most incredible sand dunes and sand spit formations in the Great Lakes. It was designated a World Biosphere Reserve by UNESCO in 1986. There's no better place to beach this summer than in Ontario.