SIM YAMAHA is a division of Shipyard Island Marina, Inc. We are the authorized parts supplier and dealer for Yamaha outboards. We are located on Washington Island in Door County, Wisconsin. We are family owned and run and have been in the boating/marina business here since 1982.
Besides being a dealer for Yamaha, we are also part suppliers for Mercury and Volvo Penta outboards, as well as the US distributor for Permatrim hydrofoils. We have a very diverse knowledge of the marine industry that goes a bit beyond dealing boat parts. On any given day, we may be re-powering a 16ft fishing boat or a 50ft yacht. We may be installing electronics, polishing a hull or making boat repairs and upgrades. Our facilities include a 40-slip marina, 20,000 square feet of indoor heated and unheated boat storage, and a dedicated 4500 square foot marine repair building that we are able to drive our 70 ton Marine TraveLift into.
Along with our local marine business, we have 4 websites we sell various marine parts from. You have already found our Yamaha site. For our Permatrim sales visit and for our Mercury Verado Owners Club Site visit To view our corporate site and see what else we have to offer visit