pools are basically 24hrs, as long as you "quiet" If your too rowdy then they might come and tell you to take off, but behave and the water is fine. Of course after a certain time, (based on when you stay) 10pm, 9pm, etc.... they turn off the slides etc.. . and the life guards are gone. but the lights stay on all night. the quiet pools are lighted all night also, they have no life guards usually.