Berkeley Paddle and Rowing Club—(BPRC) is located in Berkeley at the Aquatic Park. Activities include rowing and paddling clinics and events. While most club members row and paddle recreationally for fitness, several train for, and compete in, masters events.
Petaluma Paddlers—A community of paddle sport enthusiasts in the Petaluma area dedicated to fun and safety on the water. Link to Facebook page.
Bay Area Kayak Polo club—A club dedicated to the game of kayak polo with members all over the Bay Area.
Stanford Kayak Club—Open to currently registered Stanford students, postdocs, and staff; local paddlers can join on trips, mainly whitewater.
Elsewhere
BC Marine Trails—A non-profit organization focused on long-term public access to the BC Coast, with resources for kayak trip planning and safe navigation in British Columbia
Bore Riders—The official home of tidal bore surfing in the UK.
California Kayak Friends—(CKF) is a club for paddlesport enthusiasts located in southern California. Most of their activities involve sea kayaking, but river runners and canoeists are welcome to join in the fun. Link to Facebook page.
Chicago Area Sea Kayakers Association—Has promoted sea kayaking in the Chicago area for over twenty years. CASKA welcomes paddlers of all experience levels and promotes save paddling practices. Link to Facebook page.
Columbus Area Kayak Association—A community of Central Ohio paddlers dedicated to organizing paddling trips, providing mentorship to new paddlers, and creating friendships.
Explore North Coast—An association of paddlers in Humboldt County that holds regular paddling events, promotes paddling safety and education, and encourages stewardship of, and improvement to, bay and coastal access on the California North Coast.
Great Lakes Sea Kayaking Association—A non-profit organization, founded in 1989, whose aim is to promote and enhance the enjoyment of coastal kayaking in the Great Lakes area.
KASK—The Kiwi Association of Sea Kayakers in New Zealand. Link to Facebook page.
Knik Canoers & Kayakers—(KCK) is an Anchorage, Alaska based non-profit paddling club with members throughout Alaska and beyond.
Maine Island Trail Association—(MITA) maintains the the oldest and one of the largest water trails on our continent offering many different adventure opportunities along the Maine coast.
North Shore Paddlers Network—A New England club centered in the North Shore area of Massachusetts with members from Rhode Island to Maine.
Oregon Ocean Paddlers Society—OOPS! is the acronym of the Portland paddling club, a large and active club with a good emphasis on safety, proper gear and skills development and engaged in a rich variety of sea kayak activities at all levels.
Qajaq USA—(or "Qaannat Kattuffiat" if you prefer) has an excellent web site with loads of information on Greenland-style kayaking.
Rocky Mountain Sea Kayak Club—A nonprofit organization created to promote an appreciation of the outdoors, good environmental stewardship, and the sport of sea kayaking in a safe, friendly, and respectful manner. The RMSKC enables people in the Rocky Mountain Region who are interested in sea kayaking to meet others and organizes kayaking trips in the area and beyond.
San Diego Kayak Club—A loosely formed group who love paddling and want to share their experience with paddlers at every level of ability. They hold regular, or irregular, meetings to share: educational info, opportunities to volunteer within the paddling community, and to plan local coastal paddle/skill sessions and adventure trips.
Washington Water Trails Association—(WWTA) maintains a set of launches and camping spots reserved for human powered watercraft and promotes responsible use.
Yonkers Paddling and Rowing Club—A club near on the Hudson River just north of New York, providing access to the river, boat storage, boat building, and paddling activities.