Irwin Yacht and Marine Corporation, often just called Irwin Yachts, was an American boat builder based in St. Petersburg, Florida. The company specialized in the design and manufacture of fiberglass sailboats and became one of the largest producers of sailboats in the United States. The company was founded by Ted Irwin (June 28, 1940 – February 5, 2015) in 1966 and went through a succession of bankruptcies and subsequent name changes, before finally closing in 1992. The company produced more than 6,000 boats.