Donn Costanzo and his brother, Bruce Wahl, run a boatyard in Greenport, Long Island, specializing in wood. Donn, one of the most accomplished builders and restorers of classics in the United States today,  began his life on the water as a clam digger on New York’s Great South Bay. Here, we learn how he came to his life in the world of wooden yachts and how he acquired his refined sense of aesthetics and history.