- Outdoors And AdventureBay Area Ridge Trail CouncilTo plan, promote and sustain a connected hiking, cycling, and equestrian trail on the ridgelines around San Francisco Bay—linking people, parks and open space for today and future generations.
- Science Tech And CodingBay Area SkepticsThe San Francisco Bay Area's skeptical organization since 1982
- Games And TabletopBay Area Table Top RPG NetworkNetwork keeping Bay Area role players connected to find other players and share experiences, with members scheduling face-to-face RPG sessions such as an ongoing D&D 5e Adventure League group.
- Outdoors And AdventureBay Area Women's Hiking Group'A place for women to meet, inspire each other and experience nature in the company of other women'; small-group hikes of 8-15 (max 25) hikers, mostly 5-12 miles at Easy to Strenuous++ levels across the Bay Area.
- Arts And CraftsBerkeley Camera ClubBerkeley Camera Club is a robust organization offering something of value to photographic enthusiasts of every sort.
- Games And TabletopBerkeley Chess School Women's Chess ClubThe BCS Women's Chess Club meets 1- 3 pm, the 2nd & 4th Sundays of the month at BCS for casual games.
- Social And MeetupsBerkeley City ClubThe Berkeley City Club is a historic hotel, event space, fine dining restaurant, and private social club. Opened in 1930 to honor the need for a women’s activity center, The Club, also known as the “Little Castle,” was designed by famed California architect Julia Morgan.
- Music Dance And PerformanceBerkeley Community Chorus & OrchestraFor almost 60 years, the Berkeley Community Chorus & Orchestra has inspired people of all musical abilities and backgrounds to sing major symphonic choral works, performed free of charge for the community. Also home to a Women's Chorus and Chamber Singers.
- Music Dance And PerformanceBerkeley Folk DancersBerkeley Folk Dancers is America's largest folk dance club, dancing seven times a week, fifty weeks a year, now in its 84th year. Beginner classes meet at Northbrae Church and Live Oak Park.
- Sports Wellness And RecreationBerkeley Garden ClubBerkeley garden club with local gardening, horticulture, and community programming.
- Sports Wellness And RecreationBerkeley Kendo Dojo
- Culture And LanguageBerkeley Language Exchange English-SpanishPractice languages, make new friends and have fun with us every week. If you've always dreamed of speaking Spanish fluently or you're a native Spanish speaker looking to practice your English, this group is for you.
- Social And MeetupsBerkeley Lions ClubWe are a vibrant community of volunteers dedicated to serving Berkeley and beyond. From vision care to hunger relief, we tackle the challenges our community faces while having fun and building lasting friendships.
- Science Tech And CodingBerkeleyLUG (Berkeley Linux Users Group)Meetings vary, but often consist of people hanging out showing off cool new projects and gadgets
- Social And MeetupsBerkeley/Oakland Deaf ASL MeetupPlease Come hang out, meet new people (deaf, hard of hearing, and hearing), and converse in American Sign Language!
- Culture And LanguageBerkeley/Oakland International Language ExchangeBerkeley/Oakland-based group led by three native Spanish speakers offering a fun-filled space for cultural exchange and international friendships, with all languages welcome.
- Social And MeetupsBerkeley Parents NetworkModerated parent-to-parent network for Bay Area parents to exchange advice, recommendations, and local family resources.
- Sports Wellness And RecreationBerkeley Park Running Company
- Outdoors And AdventureBerkeley Path Wanderers Association
- Outdoors And AdventureBerkeley Racing Canoe Center
- Volunteering And CausesBerkeley Rotary ClubThe mission of Rotary is to provide service to others, promote integrity, and advance world understanding, goodwill, and peace through its fellowship of business, professional, and community leaders.
- Culture And LanguageBerkeley Spanish Conversation GroupA group to help people practice and learn Spanish, meeting in person for conversations; people of all levels are welcome, including native speakers.
- Social And MeetupsBerkeley Supper Club
- Sports Wellness And RecreationBerkeley Table Tennis Club
- Sports Wellness And RecreationBerkeley Tennis ClubHistoric member-owned tennis club founded in 1906, located at One Tunnel Road since 1917; grown from 40 initial members to over 500, offering tennis, lessons, swimming and a cafe.