Playak Links formerly The World of Canoeing , which was the big kahuna of paddling links pages. Maintained in Norway, the old site has been folded into this commercial site. Though much less than it's used to be, it's still a huge collection of worldwide links to clubs, manufacturers, and what have you. Mary's Paddling Page has a good links list, though rather whitewater focused. The main Amerian Great Lakes sea kayaking organization, though somewhat oriented to open water.
Page is infrequently updated.
Page is infrequently updated, and has one of the more obnoxious frames I've had the misfortune to run into. Lansing Oar and Paddle Club Has useful contacts, but also is infrequently updated. The Canadian Great Lakes sea kayaker's organization.