Shinzen Dojo Clovis

– Aikikai style offered. Includes a class schedule, membership information, news of forthcoming events and a photo gallery.

Shisei Aiki Dojo

– Unaffiliated dojo based in San Francisco which also offers Kashima sword.

Shotakekan Dojo

– Dojo in West L.A. affiliated with Hombu Aikikai Dojo, practicing the arts of Aikido, Iaido, and weapons.

Sierra Aikido

– Pacific Aikido Federation affiliate offering classes for adults, children, and teens in Palo Alto. Class schedule, membership information, and image gallery.

Stanford Aikido

– Style background, club information, dojo etiquette, links, test requirements, calendar and weapons.

Suginami Aikikai San Francisco

– Previoulsy known by the nickname "Skidrow Dojo", Suginami Aikido is affiliated with World Aikikai Headquarters in Tokyo. Located in San Francisco, California.

Sunset Cliffs Aikido

– Iwama Ryu Aikido in San Diego. Schedule, training information, gallery and related information.

Tarzana Aikikai

– United States Aikido Federation (USAF) affiliate in Tarzana that follows the instruction lineage of Yamada Shihan. Classes for children and adults.

Traditional Aikido of Sonoma

– Iwama style aikido in Rohnert Park. Member of AANC.

Tri City Aikido

– Located in Fremont California offering classes to adults and children. Includes class schedule, club photos and news of forthcoming events.