- Outdoors And Adventure510 Hikers510 Hikers creates welcoming pathways to nature for underrepresented communities in the Bay Area, fostering health, confidence, and belonging through inclusive outdoor experiences. We organize weekly group hikes that combine education, safety training, and community building while partnering with organizations like REI and Patagonia to ensure everyone has access to proper gear and knowledge.
- Volunteering And CausesAAUW West Contra Costa BranchAAUW West Contra Costa Branch in Northern California represents communities from Berkeley to Richmond and beyond.
- Music Dance And PerformanceAbrazo Queer TangoIn the tradition of Queer Tango, we invite you to come as you are and dance as you wish. Since 2011, Abrazo Queer Tango has been a part of global queer tango movement. We offer weekly queer tango classes, a monthly milonga and yearly special events. We are a community of dancers dedicated to creating a space where queer, trans, and non-binary dancers can dance, prance and thrive in Argentine tango.
- Arts And CraftsAce MakerspaceOakland makerspace with classes and shared workspace for laser cutting, textiles, woodworking, 3D printing, art, and electronics.
- Outdoors And AdventureAeolian Yacht ClubAeolian Yacht Club is a volunteer-driven homeport for sailors, power boaters, paddle and rowing sports enthusiasts with a shared love of the sea. Since 1906, our harbor in Alameda's East End has been a direct portal to the San Francisco and San Leandro bays, with a cozy clubhouse for dining, games, and nautical revelry. You don't have to own a boat or be a master of formal club etiquette to be an Aeolian. All you need is a curiosity for having fun on the water with your friends and neighbors, and become part of an Alameda institution.
- Sports Wellness And RecreationAikido InstituteAikido Institute was established in Oakland, California in 1970, and has been providing instruction in the art of Aikido for people in the East Bay since then
- Arts And CraftsAlameda ArtistsAlameda Artists serving the entire Bay Area.
- Music Dance And PerformanceAlameda Community BandThe Alameda Community Band is composed of volunteers from Alameda and surrounding areas.
- Music Dance And PerformanceAlameda Community ChorusAlameda Community Chorus is a 501 (c) (3) non profit dedicated to advancing the love of choral music through education, performance and collaboration.
- Outdoors And AdventureAlameda Community Sailing CenterAlameda Community Sailing Center, ACSC, is a volunteer-run organization. Each member is unique, but we all share a love for the salty spray that is best experienced sailing on the open water.
- Social And MeetupsAlameda Elks Lodge #1015The Liveliest Lodge in Elkdom
- Arts And CraftsAlameda Photographic SocietyThe purpose of the Alameda Photographic Society is: to promote the art and science of photography in its various forms through the association of its members for study and entertainment; to encourage photographic contests and exhibitions; and to stimulate greater interest and advancement in the knowledge and practice of photography.
- Arts And CraftsAlameda Quilt GuildThe Alameda Quilt Guild meets once a month on the second Thursday of each month at Trinity Lutheran Church, located at 1323 Central Avenue, in Alameda, California.
- Culture And LanguageAlameda Sister City AssociationThe Alameda Sister City Association (ASCA) was established in 2006 by a group of community members who believed that cultural exchange could bring the people of Alameda closer together.
- Volunteering And CausesAlameda Welfare CouncilAlameda Welfare Council, serving the needs of Alamedans since 1928.
- Outdoors And AdventureAlameda Yacht ClubFounded in 1985, Alameda Yacht Club (AYC) is a private, all-volunteer, yacht club in Historic Fortman Marina, Alameda. AYC offers its members a wide variety of boating and social related activities including dinners, cruise-outs, theme parties, and organized sailboat racing. We invite you to come visit and let us show you around the friendliest club on the Bay!
- Music Dance And PerformanceAlbany FilmFestAlbany FilmFest is a showcase for original, compelling, independent short films from emerging and established Bay Area, national, and global filmmakers.
- Culture And LanguageAlliance Française de BerkeleyWe are your gateway to the French language and Francophone cultures. Our core focus is French language courses for learners of all backgrounds. Beyond language, we immerse you in Francophone cultures through events and workshops. Join our welcoming community passionate about all things French, and let's embark on this cultural journey together!
- Social And MeetupsAlpha Kappa Alpha Sorority, Alpha Nu Omega ChapterServing the Bay Area since 1929
- Volunteering And CausesAmerican Legion Leland J. Thompson Post 647The American Legion strengthens our communities, states and nation with programs and services for our veterans, the military and their families.
- Social And MeetupsAsian Pacific Islander Queer Women & Transgender Community (APIQWTC)APIQWTC provides opportunities for Asian & Pacific Islander queer women and transgender people to socialize, network, build community
- Science Tech And CodingAstronomy on Tap East BayFREE Astronomy on Tap events feature accessible, engaging science presentations on topics ranging from planets to black holes to the beginning of the Universe.
- Games And TabletopBackgammon By the BayBay Area backgammon club listed through the U.S. Backgammon Federation club directory.
- Science Tech And CodingBay Area AI War RoomModels, agent, systems, ethics, the law, business, art and impact we discuss it all.
- Outdoors And AdventureBay Area Climbers CoalitionThe Bay Area Climbers Coalition (BACC) is a volunteer-run 501(c)(3) nonprofit organization working to preserve access to local outdoor areas through stewardship, community building, and educational programming.