Kids Brazilian Jiu-Jitsu at Mike Murrell's Cave Academy
Cave Academy, 1037 Terra Nova Blvd, Pacifica, CA 94044
About
Kids Brazilian Jiu-Jitsu at Mike Murrell's Cave Academy offers Traditional Gi Brazilian Jiu-Jitsu, self-defense, bully-proofing, Judo, wrestling, and game-based classes that use game-based activities. The program also includes an optional competition class and a Kids Summer Camp focused on becoming bullyproof.
• Ages: 4–13 years old
Kids Brazilian Jiu-Jitsu at Mike Murrell's Cave Academy is led by Founder and Head Instructor Michael “Mike” Murrell, who is a 2nd Degree BJJ Black Belt and Judo Black Belt with over 20 years of experience, and Head Gi Instructor Frank “Papa” Nuñez, who is a 4th Degree BJJ Black Belt under Ralph Gracie. The program follows a high-energy, positive-reinforcement model and transforms complex grappling concepts into engaging games. The academy states that its mission is to use martial arts as a tool for building character and to empower children with skills and values that will last a lifetime. The environment is described by the academy as fun, safe, supportive, family-oriented, and based on a “no-egos, just good vibes” culture, with over 20 active black belts who attend classes and help mentor newer students.
Parents and students describe Cave Academy as welcoming, clean, and spacious, with instruction that is patient, supportive, and clearly explained. One parent notes that Sensei Mike is a mentor to the kids classes and that their 6-year-old’s experience has been challenging and rewarding, with an emphasis on respect, confidence, and perseverance. Another parent reports that their child was nervous at first but now enjoys every class and that attending has raised their child’s confidence when approaching other kids and making friends. Multiple adult students with prior BJJ experience describe the facility as phenomenal, the instruction as top tier, and the community as feeling like a tight-knit family.
Last updated March 18, 2026.
• Ages: 4–13 years old
Kids Brazilian Jiu-Jitsu at Mike Murrell's Cave Academy is led by Founder and Head Instructor Michael “Mike” Murrell, who is a 2nd Degree BJJ Black Belt and Judo Black Belt with over 20 years of experience, and Head Gi Instructor Frank “Papa” Nuñez, who is a 4th Degree BJJ Black Belt under Ralph Gracie. The program follows a high-energy, positive-reinforcement model and transforms complex grappling concepts into engaging games. The academy states that its mission is to use martial arts as a tool for building character and to empower children with skills and values that will last a lifetime. The environment is described by the academy as fun, safe, supportive, family-oriented, and based on a “no-egos, just good vibes” culture, with over 20 active black belts who attend classes and help mentor newer students.
Parents and students describe Cave Academy as welcoming, clean, and spacious, with instruction that is patient, supportive, and clearly explained. One parent notes that Sensei Mike is a mentor to the kids classes and that their 6-year-old’s experience has been challenging and rewarding, with an emphasis on respect, confidence, and perseverance. Another parent reports that their child was nervous at first but now enjoys every class and that attending has raised their child’s confidence when approaching other kids and making friends. Multiple adult students with prior BJJ experience describe the facility as phenomenal, the instruction as top tier, and the community as feeling like a tight-knit family.
Last updated March 18, 2026.
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