At least in the 9 figures or at least be the owner of a private company that's valued in the $20,000,000 range
Last year when I was working for my old company, we had Philippe Dauman (CEO of Viacom) come to the Knicks vs Heat game with us for "business". All we talked about were golf and his planned vacation to go to Edinburgh, Scotland to play golf in St. Andrews with a few other people from work
The best thing about the box suite isn't the view, but the food and service that comes with it. Couches and a bar. It's like watching a game in a high class bar, but instead of watch the game on a TV--you're watching it live 70ft away from you.