Humboldt Jiu Jitsu, formerly North Coast Self Defense Academy, is located in the heart of downtown Arcata, CA. Our state-of-the-art training facility has 1400 square feet of mat space and we offer over 20 classes per week for both adults and youth.

While our emphasis is on Brazilian Jiu Jitsu and self defense, we also offer Muay Thai.

Please feel free to drop by and check us out as a visitor or come to train (first week free).

“Be so strong that nothing can disturb the peace of your mind.”

– Grand Master Carlos Gracie Sr. –

Youth Classes

Learn the most effective Martial Art form in the world. A fun way to get in great shape while building quality friendships.

Adult Classes

We offer a wide variety of adult classes. Browse through our various Disciplines and see if we can match your needs.

Self Defense Combatives

Our instructors work hard to keep Humboldt Jiu Jitsu on top. Check out our combatives gallery!

“Everything in the world changes and progresses,
so I try to do that with Jiu-Jitsu.”

– Carlson Gracie Sr. –


  • Hal Faulkner
      Hal FaulknerBlack Belt Instructor
    • Marcello Daflon
        Marcello DaflonBlack Belt Instructor
      • Justin Gaffney
          Justin GaffneyBlack Belt Instructor
        • Sifu Josh Cuppett
            Sifu Josh CuppettMuay Thai & Lau Kune Do Kung Fu
          • Monty Martin
              Monty MartinInstructor
            • Lydia Kenyon
                Lydia KenyonJunior Instructor
              • Andy Hahn
                  Andy HahnAssistant Instructor