Sentinel is ideally located in the heart of Portlandandapos;s city center, not far from the Pearl District and waterfront and within an easy light rail ride of Portland airport and the Portland Zoo. Effective April 1, 2018 - Rates are inclusive of Resort Fee. Guests who book the Exclusive room categories will be responsible to pay the Resort fee per room, per night directly at the hotel. Guests must provide a credit card for incidental charges upon check-in.