One opposite Oasis Park, big one by fountains, one on Jamie 1 Prom, one in Old Salou not far from Station, one opposite Ponent Beach.
They are currently open all day apart from fiestas until 10pm. Sundays 9pm. BUT that all changes on 1st October. They shut in the afternoon and close early on a Sunday. If you want to make sure then get to one of them before 1pm.