Explore Lake Ontario and the St. Lawrence River with PORTS Cruising Guide to Lake Ontario and the Thousand Islands. You'll find detailed and up-to-date information on every port along the way, with expert advice on where to tie up, where to find supplies, where to eat and what to do when you get there. The 2023 edition includes all new aerial images, completely updated editorial from beginning to end, including marinas, yacht clubs, islands, anchorage, services, restaurants and more.