For me, my watermark was at Grimsby Beach, which is on Lake Ontario.

I went there with my dad, and the first thing I thought when I saw the water was wow this is some of the bluest and most beautiful water Ive ever seen. Lucky for me I got the chance to paddle around and we took the kayaks and paddled all along the shoreline and the whole time I was thinking this is amazing, the water was so clear and so blue you could see how the different blues mixed in with each other, it was spectacular. Later that night I went back to the beach by myself at sunset and I swam in the water and it was probably one of the best experiences ever, the water was breathtakingly cold but it was so amazing and one of the best swims ever.