Summer Fun in Seattle: Splash Pads, Swimming Pools, Beaches, Museums, and more!

Looking to keep cool while having fun this summer in "The Emerald City"? 

We've rounded up 31 Sprayground Parks in the Seattle Metro Area, plus other fun places to visit when the weather's hot:
Or, find a park with a different amenity - like a dog park, a place to go fishing, or bucket swings - with our Quick Guide to Seattle Parks!
Seattle area spraygrounds, swimming pools, beaches, and more fun summer places!
Are we missing a summer-friendly place? Let us know; we'll add them!