Aikido of Marin is a local dojo that was started by Richard Moon Sensei in the 1970s. It offers regular training classes that are $50 a month for kids, $95 a month for adults and $15 a class for visitors. If the visitor is a member of another dojo, it's only $10 a class. Beginners are always welcome and the first class is free. It also has a 3 month special where you receive a free training uniform if you pay for 3 months in advance.