The Pool at Residence Inn by Marriott Portland Downtown/Pearl District
Residence Inn Portland Downtown/Pearl District's pool is endorsed by writers. Of the 2 professionals that we monitored, 2 referenced the pool, like Fodor's and Oyster.
Residence Inn by Marriott Portland Downtown/Pearl District 
Fodor's
Oyster
Fodor's "A 24-hour on-site market is stocked with snacks and beverages; other perks include a fitness center, guest laundry, grocery delivery services, an indoor pool, and outdoor fire pit"
Oyster "Other highlights include free breakfast, on-site restaurant/lounge, fitness center, indoor pool, and free Wi-Fi throughout"
