According to, er...'old' Disney folklore, Jock (the pilot in Raiders of the Lost Ark) 'arrived here in 1938 while chasing down a mythology-based tip in central Florida.' He liked the natural springs and lush terrain, and so bought some land. His hangar (his home base) became popular for world travelers and locals…and here you now are.
Yes, it's heavily themed and that's the idea. But the alcohol and fun is very real.