There are a couple posts on the site about drinking in the hot tub. Specifically, they deal with drinking beer and frequent trips to the potty.
The obvious solution is to put an excess beer receptacle close to the tub. But urinals rarely fit well in modern decorating schemes... until now.
Here is a man's idea of a urinal that doesn't clash with the décor or that would seem out of place in the vicinity of your indoor or outdoor hot tub.