"With over 1000 Casco Bay yacht moorings, 10 tour boats and a local fleet of 300 fishing vessels and island ferries, you don't have to stand around long to see something go by," says Captain Ben Snow, Portland Manager of Marine Operations. Blend in supertankers, cruise ships, and their tugs and pilot boats for an almost nonstop Portland Ship Channel marine parade that passes a few yards in front of Portland Harbor Museum's front door.