Thousand Island Marine Construction Ltd is a professional marine construction company in Gananoque. The Bishop family founded the company and has been in the business for more than 50 years. If you want a private dock or a boathouse, we can build it for you. We also take construction projects such as seawalls, cottages, filter bed installation, steel structure floating docks and more. At Thousand Island Marine Construction Ltd, we have a certified welding shop for manufacturing custom steel designs for any project. All our equipment is licensed and insured. Contact us to get started with your marine construction project today in Gananoque.