- Games And TabletopPacific Pinball LeagueBay Area pinball league/community for competitive and social pinball play.
- Games And TabletopPalo Alto BridgeBridge club serving Palo Alto/Peninsula players with games, lessons, and duplicate bridge community.
- Games And TabletopPorsche Club of America - Golden Gate RegionPCA Golden Gate Region, celebrating its 65th anniversary, offers the best Porsche experience California has to offer: social events, motoring trips, autocross, time trials, high performance driver education, and club racing.
- Games And TabletopSan Francisco Gem and Mineral SocietyLong-running gem, mineral, geology, lapidary, and earth-sciences club with membership and clubhouse resources.
- Games And TabletopSan Jose Bridge Club (Silicon Valley Bridge, ACBL Unit 507)ACBL Unit 507 (Silicon Valley Bridge) duplicate bridge club offering weekly face-to-face games for players at every masterpoint level plus online ACBL games.
- Games And TabletopSanta Clara Valley Gem and Mineral SocietyGem and mineral society with meetings, study groups, field trips, and educational activities.
- Games And TabletopSanta Rosa Mineral and Gem SocietyNon-profit organization in Sonoma County formed for the purpose of increasing the knowledge and understanding of science as it pertains to minerals, gems, and fossils, studying geology, mineralogy, and all the lapidary arts, with a Juniors program and annual gem show.
- Games And TabletopSanta Rosa Stamp ClubWe are a friendly group of stamp collectors that meet once a month for auctions, presentations and philatelic conversations.
- Games And TabletopSF Chess ClubEvery Monday Night Chess with San Francisco Chess Club! ( 7 - 9:30 PM~) @ the back room of the bird in Hayes / After work bar. All levels welcome for some fun casual chess.
- Games And TabletopSF Go ClubThe San Francisco Go Club was founded in the 1930s, making it the oldest Go club in North America. We are a community of enthusiasts who love to explore this beautiful game, improve our skills, and share Go with new players throughout the Bay Area.
- Games And TabletopSouth Bay Historical Railroad SocietyThe South Bay Historical Railroad Society (SBHRS) was incorporated in 1985 to preserve the local area railroad heritage while running a working museum at the historic Santa Clara Depot. Admission is free.
- Games And TabletopThe Diablo Valley Boardgames MeetupBoard game meetup playing a full range of games from lighthearted party games to intense euro games and traditional war gaming, meeting all over the Diablo Valley from Clayton to Concord to Walnut Creek and Pleasant Hill.
- Games And TabletopVallejo Gem and Mineral SocietyVallejo Gem & Mineral Society, founded October 8, 1954, is a 501(c)(3) nonprofit dedicated to sharing knowledge of lapidary, lost wax casting, wire wrapping, silversmithing, beading, and other jewelry and crafting skills, with a club shop and annual show.
- Games And TabletopWalnut Creek Model Railroad SocietyThe Walnut Creek Model Railroad Society (WCMRS) operates the Diablo Valley Lines (DVL), one of the most mountainous and one of the largest exclusively HO scale model railroads in the United States, with public show dates.