| Absolute Adventures: Club featuring weekday and weekend adventures and socializing opportunities. Membership information, events calendar, photo album, contact details and related local links. |
| ACE-CLUB: Events and adventures for local young single professionals. Event calendar, membership information, photo gallery and contact details. |
| An Urban Diversion: Social and outdoor adventures club. Includes membership details and event schedules. |
| BAKCA - Bay Area Knife Collectors Association: Group of knife collectors and making of custom knives. Includes forum, membership, and meeting information. Based in Northern California. |
| Bay Area Barns and Trails: Preservation and stewardship of area equestrian barns, trails, pastures, staging areas and horse camps. |
| Bay Area Brew Crew: Home brewing club. Includes calendar of events, recipes, newsletters, and photos. |
| Bay Area Equestrian Network: Regional directory for horse enthusiasts. Classified ads for horse businesses and horses for sale. |
| Bay Area Games Day: Annual event featuring a full day of convention-style games including strategy games, abstract boardgames, wargames, and collectible and non-collectible cardgames. Directions, mail list, and contact details. |
| Bay Area Mashers: Home brewing club. Includes photos, upcoming events, newsletters, and brewing calculators. |
| Bay Area Mashtronauts: Home brewing club. Includes contact information for officers, newsletters, forum, and calendar of events. |
| Bay Area Motorcycle Training: Novice course in San Francisco and Vallejo. Course description and schedule, prerequisites, location information, and a FAQ. |
| Bay Area Outdoor Adventure Club: Club features various outdoor activities weekly, including hiking, skiing, and kayaking. Calendar, membership information, photo gallery, and contact details. |
| Bay Area Paintball: General information about paintball, including articles, related links, discussion forum, local resources, and classified ads. |
| Bay Area Ridge Trail Council: A 400-mile hiking, biking, and equestrian trail connecting parks and preserved open spaces along the ridgelines surrounding California's San Francisco Bay. |
| Bay Area Sea Kayakers: Cooperative sea kayaking club. Providing a forum for people to meet other paddlers, generate ideas for new trips, and promote safe sea kayaking. |
| Beyond Limits: Multisport training programs at the client's location. Services, testimonials, and contact form. |
| Cal Hiking and Outdoor Society: A group of UC Berkeley students, staff, Berkeley area residents who meet regularly to experience the outdoors and have fun |
| City Beach: Indoor volleyball venue provides information on league play, rental for events, and cabana. Locations in Fremont and Santa Clara. |
| D.U.R.T. : Doug's Ultra Run Training: Bay area trail running and ultra training. Contains trail maps, topologies, photos, descriptions, as well as contact details and related links. |
| Diablo Woodworkers: Founded to serve interested woodworkers in the Diablo Valley of the San Francisco East Bay Area. Includes meetings, projects, woodworking clases, and activities. |
| Golden Gate Triathlon Club: Serves multisport athletes of all ages and abilities. Offers information on workouts, training programs, and racing events, as well as photos and contact details. |
| Hetch Hetchy Hop Heads: Home brewing club. Includes meeting schedule, photos, and articles. |
| Hwa Rang Kwan Martial Arts Center: Description and addresses for martial arts school in San Rafael, San Francisco, Redwood City and Palo Alto. |
| Let's Play Tennis: Tennis partner locator. Search for players based on simple search criteria like location, gender, and skill-level. Also includes message board, and instructor listing. |
| Martial Arts America: Offers instruction in Tae Kwon Do and Krav Maga in the TriValley area. Features history, newsletters, class schedule, and registration information. |
| San Francisco Bay Area ProCity Summer Basketball League: Offers men and women leagues featuring seasoned professionals and college players. Provides team and player profiles, archive, scores and highlights, and links. |
| San Francisco Sailing: Resources for sailing on the bay. |
| San Francisco Stables Foundation, Inc.: A non-profit organization formed to restore Golden Gate Park Stables, and promote equestrian activities in the San Francisco Bay Area. |
| sfgokids.com: A resource for parents and kids to find activities that keep kids active. Sports such as basketball, volleyball, surfing, swimming, golf, arts and theater, camps, clinics, organizations, in and around the Bay Area. |
| Silicon Valley Sudzers: Home brewing club. Includes a calendar of events and photos. |
| Silicon Valley Triathlon Club (SVTC): The South Bay's premier multi-sport club. It is a place for triathletes to meet other triathletes, find training partners and join in social gatherings. |
| The Greater Bay Area Costumer: Organization of people who enjoy creating and wearing costumes. Calendar of themed events, photographs of past events, membership information, extensive directory of costuming resources. |
| Trail Running Adventures and Races: Redwood Trails is for runners who enjoy running off road and on the trails. Great San Francisco bay area locations, and Death Valley runs. |
| Volunteer Trail Safety Patrol: Serves the East Bay Regional Park District. Members assist in preserving the safety of visitors and of park resources. Information about programs, trails, park lands, events, and membership. |
| Worts of Wisdom: Home brewing club. Includes meeting schedule, recipes, newsletters, information about equipment rental and their yeast bank, and membership information. |
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