With 50 years of experience in the business, owner Joseph Madonia knows all about custom boat covers. His father started the business in Detroit and then moved the business to their current location in St. Clair Shores in 1983. Madonia Custom Boat Covers is the place to go for cockpit covers, cushions, dodgers, sailcovers, winter tarps, carpeting and installation. Madonia offers a substantial discount on winter jobs after Oct. 1. All winter work will be completed in time for spring.