Summer is perhaps best known for heat and when the heat is great, it is most comfortable to be in an air-conditioned building or ... to be wet. The latter sounds more fun to me, but ... water and electronic camera gear are at odds with each other. Unless you have a waterproof housing for that gear.
While the high end dedicated rigid housings are very nice and may produce better image quality, a PVC underwater housing such as those made by EWA-Marine are far more affordable while still allowing unique photo opportunities.
In this photo, I was standing near the side of the pool with camera ready. Because capturing the perfect position of a normally thrown tennis ball is very challenging, I opted for a toss-straight-up technique. The dog wanted the ball, but didn't want to jump into the water to get it. I tossed the ball straight up so that it stopped moving at the ideal height and just far enough out so the dog couldn't reach it. The latter part mattered because it was game-over when the dog caught the ball and ran away with her prize.
Make this the summer that you waterproof your camera. Add wet shots to your portfolio. Capture the fun memories of the summer water activities. Get an underwater housing.
Read also: Underwater Photography Tips for Snorkeling.