Crystal clear waters, visibility up to 100’, many locations in US & Canada. A world class diving destination!
Great site with lots of info on diving, wrecks and general area history, with excellent pictures. Dive Thousand Islands: http://scubadive1000islands.com/index.php
Thousand Islands Diving Adventures, Clayton: http://www.1000-islands.com/diving/
Info on Canadian outfits, with specific wrecks described:
Blog on diving: Thousand Islands Area Scuba Divers:
Hunts Dive Shop, Clayton: