As travel season approaches, we regularly field questions about the hippest places to stash out-of-town guests. Now Portland—and especially downtown—has plenty of beautifully appointed hotels. But what about when your guests want to make the East Side their home base? Or what about places that simply say "Portland" (or Portlandia)? For that, turn to the city’s host of hidden, owner-run guesthouses. We’ll help you discover these adorable abodes with...