Here's the reminants my old site that I started 4-5 years ago. It started out as a owner only Sea Doo Jet Boat site, but as in the boatin world, you meet alot of great folks, then we melded it with the Yamaha Sport boat owners as well.
Anywhoo... those lookin in the Sport boat type deals for water-sports and such, especially lake and protected inshore water cruisin check out:
http://jetboating.net/jetboating/main/main.aspx