Do a few lengths of the pool or just cool off in the water at Astoria Aquatic Center. There's tons of fun here for the whole family.
When you've spent some time at this aquatic and recreational facility in Astoria, why not check out Astoria Riverfront Trolley, Columbia River Maritime Museum, and Astoria-Megler Bridge? They're not too far from Astoria Aquatic Center and also a hit with tourists.