Paddling Clubs are a great way to find paddling partners, have fun and be safe.
Bay Area Kayak Polo Club
Bay Area Sea Kayakers (BASK)
A club dedicated to the safe enjoyment of the sport of sea kayaking in the San Francisco Bay Area.
California Paddlers Hub
A non-affiliated Facebook Group for arranging paddles, obtaining advice, etc:
http://www.facebook.com/home.php?#!/pages/California-Paddlers-Hub/168610319820481
Explore North Coast
A sea kayaking club in north coastal California.
http://explorenorthcoast.net/
Gold Country Paddlers
A Northern California club oriented toward whitewater kayaking, canoeing and rafting.
http://www.goldcountrypaddlers.org/
Loma Prieta Paddlers
A whitewater paddling club based in the San Jose area.
http://lomaprieta.sierraclub.org/lpp/
Petaluma Paddlers
A community of paddle sport enthusiasts in the Petaluma area dedicated to fun and safety on the water.
http://groups.yahoo.com/group/petaluma_paddlers/
River City Paddlers
A group designed to be an easy way for Sacramento area paddlers who enjoy racing to communicate with each other and miss less races.
http://groups.yahoo.com/group/rivercitypaddlers/
Sacramento Sea Kayakers
A group of fun paddlers dedicated to promoting sea kayaking in a safe and responsible manner, while making new friendships with a common interest.
Stanford Kayak Club
A student-run organization dedicated to whitewater kayaking.
Western Sea Kayakers (WSK)
A club interested in safe, enjoyable sea kayaking in Monterey Bay, San Francisco Bay, Elkhorn Slough – actually, just about any waters between Alaska and Baja.