General: American Whitewater - An advocacy organization specifically for whitewater paddlers.
American Canoe Association - An advocacy group for paddlers of every variety.
Paddler Magazine - A magazine devoted to paddlers and their interests.
Summer Camps: Kayaking Camps
Summer Camps in New York
Summer Camps In North Carolina
Summer Camps in Pennsylvania
Summer Camps in Texas Sports Camps - Comprehensive listing of sports summer camps in the United States and Canada