Yes! There is a national air hockey league and state championships, and the whole deal! Here are two websites from which you can can find out more information about local leagues and rules, etc. - good luck and have fun!
Air Hockey World
Air Hockey Leagues
Oh - and here is a link to a youtube.com video of one of the games Air Hockey Masters - Robbins v. Luscombe - Game 3
Air Hockey Playoff Game
Air Hockey World
Air Hockey Leagues
Oh - and here is a link to a youtube.com video of one of the games Air Hockey Masters - Robbins v. Luscombe - Game 3
Air Hockey Playoff Game