Welcome to The Arena

Thanks for your interest in The Arena, San Diego’s top ranked Combat Sports gym. Taught by 12 World Class Coaches, our programs are known across the U.S. for their high caliber classes, coaching and training. Over 1000 members strong, The Arena is the largest Mixed Martial Arts school in San Diego (as well as the rest of North America), offering 170 of the best weekly classes in:


JUST SAY NO TO “CARDIO MARTIAL ARTS”. Instead, develop real skills. You don’t have to fight to train with us, but you will learn the right way when you’re here.

No experience? In our classes, you’ll build a strong foundation from the start. Want to compete? We have everything you need to succeed. Already a fighter? We run some of the top fight camps in California / United States.

So if you’re looking for the best gym in San Diego / CA / USA for training in Boxing, Judo, Jiu Jitsu, Muay Thai, MMA and Wrestling, you found it.


Because we believe so strongly in what we do, we offer a FREE TRIAL so people can discover what we’re all about. Just sign up for your trial on this page and then come in, even if you’re only visiting San Diego. Everyone’s welcome.