Southbay Cope-a-cabana singles and couples Social Club
South Bay club for singles and couples featuring weekly poker nights plus karaoke in 20+ languages, open mic, ping pong, backgammon, swimming pool and hot tub get-togethers.
South Bay Historical Railroad Society
The 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.
South Bay Writers (California Writers Club)
South Bay branch of the California Writers Club with monthly speaker meetings, open mic nights, contests, and a newsletter for writers.
South End Rowing Club
The South End Rowing Club, founded in 1873, is one of the oldest athletics clubs in the western United States. The club supports participation in rowing, swimming, handball, and running.
Southern Marin Mothers' Club
Over 1,000 members in the North Bay; provides a vibrant community for moms and dads with age-based playgroups, active forums, a monthly newsletter, an annual preschool fair, and year-round events.
South Park Commons
SPC is a home for the most talented founders and technologists exploring what's next. Our members turn the chaos of possibility into the clarity of conviction.
Spindles & Flyers Spinning Guild
Spindles & Flyers Spinning Guild is a local group for people who share a commonality of spinning yarn, but members also weave, knit, crochet, felt, tat, dye, and love all types of textile arts. Welcomes interested people to monthly meetings September through June.
Spinsters of San Francisco
The Spinsters of San Francisco (SOSF) is a social and philanthropic organization of young professional unmarried women unique to the San Francisco Bay Area. Since 1929, SOSF has created a strong network of women who make a positive impact in the community through volunteering and fundraising events.
SPUR
Bay Area civic-planning organization with membership, events, policy programs, and urbanist community engagement.
Startup Grind Silicon Valley / SF Bay Area
Monthly startup community events for founders, startup teams, investors, and operators.
Strawberry Canyon Track Club
Our team is a unique blend of runners, including undergraduate and graduate students, post-grads, and working professionals united in the common desire to improve and achieve individualized running goals together. Our team and expert coaching provide equitable access to workouts, training plans, and racing opportunities to help members reach their full potential as athletes regardless of their background or experience.
Sudo Room
we are a free hackerspace in North Oakland, California.