Peninsula Self Defense, located in Redwood City, California, has garnered a mix of feedback from its community. Many reviewers appreciate the welcoming atmosphere and the quality of instruction, particularly for children, while some express concerns about specific coaching incidents. Overall, the school is recognized for its supportive environment and engaging classes, making it a popular choice for those interested in Brazilian Jiu-Jitsu. For more detailed information, it is recommended to contact the school directly.