The establishment closes at 2 PM, not 3 PM.
To access the rooftop, go through the Hyatt Hotel lobby to the elevators on the right and press R.
For large parties, there is a minimum charge of $35-40 per person.
I have been using it now for 3 months and it saves me so much research. Reduces the need to call and double check every time.
How did I not know these places existed?! Atly's scoring is a lifesaver, now I can finally find THE spot without wasting time Googling my life away.