How fast does the Adventure Cat 2 go? January 22, 2016 January 22, 2016erica neubauerUnder sail, the average speed is 8-12 knots (approximately 9-13 miles per hour). Whereas a monohull treads through the water, catamarans skim over the surface.About Authorerica neubauerPrevious postWho designed Adventure Cat 2?Next postDo you serve food or drinks on board?