Drive out to Lake Mead on the way you will see a lot of boat shops on that road, also check out yellow pages in your hotel room. You can rent power boats on the lake which is really good fun and not that dear gets you away from the casino for the day. Have a good one
I'm sure he would, after all, it's only a 4600 mile round trip!
I would have thought with his sense of adventure he would leap at the chance to drive across the USA! Besides its only 2300miles if he goes at the end of his holiday and catches a flight home from Miami!