Ontario may be known for its tranquil lakes and cozy cottage vibes, but make no mistake—this province has a wild side, especially when it comes to water adventures. Whether you're a thrill-seeker looking for your next adrenaline fix or just trying to make a summer weekend unforgettable, Ontario's lakes and rivers offer plenty of high-energy ways to dive in.

Here are some of the most exciting water-based activities to try in Ontario this summer—perfect for adventurers of all kinds.

1. Wakeboarding and Waterskiing

Ontario's calm yet expansive lakes make it an ideal place to learn or level up your wakeboarding or waterskiing skills. You'll find outfitters across Muskoka, Kawarthas, and Haliburton offering lessons and gear rentals.

Want to take it up a notch? Rent a speedboat and carve your own path across the water.

2. Whitewater Rafting and Kayaking

For those who love the rush of rapids, head to the Ottawa River or the Madawaska River, both of which offer guided whitewater rafting and kayaking excursions. These rivers are world-renowned for their combination of thrilling Class III-V rapids and stunning Canadian Shield scenery.

If you're newer to the sport, many outfitters offer half-day tours on gentler sections that are still exciting—but more manageable.

3. Cliff Jumping in Muskoka

While cliff jumping comes with obvious risks and should always be approached with caution, Ontario does have a few safe, well-known spots where you can take the plunge. High Falls in Bracebridge, for example, is a popular destination for the bold (and for those who just want to watch from the shoreline).

Make sure to check local signage and conditions before jumping—safety always comes first.

4. Tubing and Banana Boating

These classic cottage-country pastimes never get old. Fun for all ages, tubing and banana boating are perfect for family getaways or group trips. All you need is a boat, an inflatable, and a few brave friends willing to hold on tight.

You can book these experiences with most rental providers who offer water sport packages. And if you're planning to tow, a speed boat rental is your best bet for getting the most out of the ride.

5. Jet Skiing Across the Open Water

For solo riders or couples looking for a fast-paced adventure, jet skis offer the perfect balance of power and freedom. Cruise at high speeds, explore island inlets, or just enjoy a different view of the lake from the middle of it.

Many lakes, including Lake Simcoe, Lake Muskoka, and Lake Ontario, have jet ski rental options by the hour or by the day.

6. Paddleboarding and SUP Yoga

If you're looking for something more grounded—but still active—stand-up paddleboarding (SUP) is a full-body workout with a view. You'll find SUP yoga classes popping up across cottage country, where local instructors lead flows on floating platforms or directly on the boards.

While it may not give you the thrill of speed, there's something exciting about balancing in warrior pose while floating on a quiet lake.

Final Thoughts

Summer in Ontario isn't just about soaking up the sun on a dock—it's about making memories that stick. Whether you're chasing rapids, launching off a wake, or carving across a lake at top speed, the province offers water adventures for every style and skill level.

And when you're ready to take control of your own lake experience, a speed boat rental gives you the freedom to explore, play, and power through summer on your own terms.