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Welcome To

Key Martial Arts

Discover Strength, Discipline, and Confidence at Key Martial Arts

Founded by former Marine Matt Polack, Key Martial Arts in Oceanside, CA, is more than just a dojo—it’s a training ground for personal transformation. With a deep-rooted passion for discipline, self-defense, and community, Matt brings the precision and intensity of his military background into every class. Whether you’re a beginner looking to build confidence, an experienced martial artist sharpening your skills, or a parent seeking a positive outlet for your child, Key Martial Arts offers expert instruction in a supportive, high-energy environment.

Train like a warrior. Live with purpose. Join Key Martial Arts today.

 

What Our Students Are Saying

  • Key Martial Arts offers a unique and exciting approach to martial arts. Their program is designed to encourage children to learn martial arts skills in a positive atmosphere.

    Diane L.
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    Google

  • My grandchild attends Key Martial Arts and loves it! Both Sensei and Mrs. Sensei are great role models for young children. The Sensei is always firm yet fair with the children.

    Jen S.
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    Google

  • However, both of the kids LOVE their dojo family so much that we make the drive twice a week. The love, lessons, and laughing are well worth it!

    Cory P.
    ⭐⭐⭐⭐⭐

    Facebook

  • Our child has become stronger and more confident. Mr. and Mrs. Sensei are very professional and work really well with children. Our child loves going there.

    Picky S.
    ⭐⭐⭐⭐⭐

    Google

  • I cant say enough about this Dojo!! While it started out just for my middle son, all 3 of my children now do Karate! Mr. And Mrs. Sensei are both wonderful!

    Silvia P.
    ⭐⭐⭐⭐⭐

    Google

  • The senseis were the best! Very motivational and really helped transform our son from being a little shy and scared to completely outgoing and not afraid of anything.

    Jason W.
    ⭐⭐⭐⭐⭐

    Facebook

  • The instructors here are encouraging, compassionate and fair. Great customer service, fair prices, great environment, and welcoming. My daughter loves it here.

    Nancy R.
    ⭐⭐⭐⭐⭐

    Google