Nighthawk Marine LLC is a certified Mercruiser facility. We offer repair, parts and service We make dock calls to Geneva and Ashtabula. Service to most marine engines, outboard, inboard and I/O. We have 2 certified mercruiser technicians on staff. Winterizing and/or shrinkage at the end of the season as well as winter storage. Looking for a place to dry dock or store your boat during the summer, we have that too.