Unlimiteds Detroit
Sports, Motorsports, Boat Racing, News and Media - Unlimiteds Detroit. Unlimited hydroplane fan club and publishers of Thunderboat Magazine.
http://www.unlimitedsdetroit.com
SuperCat Racing
Sports, Motorsports, Boat Racing, News and Media - SuperCat Racing. Features information on surf racing inflatable boats.
http://supercatracing.20m.com