510 Hikers
510 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.
AAUW West Contra Costa Branch
AAUW West Contra Costa Branch in Northern California represents communities from Berkeley to Richmond and beyond.
Abrazo Queer Tango
Sundays 3:30-6:30pm; 3rd Saturday milonga
Ace Makerspace
Oakland makerspace with classes and shared workspace for laser cutting, textiles, woodworking, 3D printing, art, and electronics.
Aeolian Yacht Club
Aeolian 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.
Aikido Institute
Aikido 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
Alameda Artists
Alameda Artists serving the entire Bay Area.
Alameda Community Band
The Alameda Community Band is composed of volunteers from Alameda and surrounding areas.
Alameda Community Chorus
Alameda Community Chorus is a 501 (c) (3) non profit dedicated to advancing the love of choral music through education, performance and collaboration.
Alameda Community Sailing Center
Alameda 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.
Alameda Elks Lodge #1015
The Liveliest Lodge in Elkdom
Alameda Photographic Society
1st, 2nd and 4th Tuesdays via Zoom
Alameda Quilt Guild
The 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.
Alameda Sister City Association
The 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.
Alameda Welfare Council
Alameda Welfare Council, serving the needs of Alamedans since 1928.
Alameda Yacht Club
Founded 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!
Albany FilmFest
Albany FilmFest is a showcase for original, compelling, independent short films from emerging and established Bay Area, national, and global filmmakers.
Alliance Française de Berkeley
We 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!
Alpha Kappa Alpha Sorority, Alpha Nu Omega Chapter
Serving the Bay Area since 1929
American Legion Leland J. Thompson Post 647
The American Legion strengthens our communities, states and nation with programs and services for our veterans, the military and their families.
Asian Pacific Islander Queer Women & Transgender Community (APIQWTC)
APIQWTC provides opportunities for Asian & Pacific Islander queer women and transgender people to socialize, network, build community
Astronomy on Tap East Bay
FREE Astronomy on Tap events feature accessible, engaging science presentations on topics ranging from planets to black holes to the beginning of the Universe.
Backgammon By the Bay
2nd Sunday monthly, La Val's Pizza, 1834 Euclid Ave, Berkeley
Bay Area AI War Room
Models, agent, systems, ethics, the law, business, art and impact we discuss it all.
Bay Area Climbers Coalition
The 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.