If you're looking for things to do/experience in Portland the Willamette (rhymes with dammit) Weekly Best of Portland list is pretty solid. But we love to give recs so let us know if there's something in particular you'd like to do!
Great place to rent a kayak and paddle around. The waters are pretty calm.
Delicious Swedish food and they have an amazing brunch. Can get crowded so you should go early or on a weekday if you're staying longer.