
Rounders MMA Fullerton: Diverse martial arts training in a welcoming, high-energy gym.
Rounders MMA Fullerton is a martial arts gym at 353 S State College Blvd, Fullerton, CA 92831. It offers disciplines from kickboxing to BJJ and Muay Thai, taught by experienced coaches who support students of all ages. The reviews highlight a safe, welcoming environment, a strong team vibe, and well-structured classes—plus a first class for free.
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Expert-led BJJ training for all levels, focusing on technique, ground work, and self-defense.
High-energy striking classes that improve fitness, coordination, and combat skills.
Comprehensive training combining striking and grappling for competition or personal growth.
Introductory classes and free trials to help newcomers learn fundamentals in a supportive setting.
Age-appropriate training for kids and teens, building discipline, confidence, and athleticism.
One-on-one sessions with experienced coaches for tailored skill development and goal achievement.
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Overall rating
Johnny Nguyen
Rounders is a hidden gem in Fullerton, offering a great variety of martial arts—from kickboxing to BJJ. Joe, the owner, is incredibly kind and welcoming, with an exceptional ability to coach students of all ages and experience levels. I’ve also had the chance to attend noon BJJ classes with Professor Danny and always leave feeling more skilled and confident. Overall, Rounders provides a safe, supportive, and effective environment to learn and train martial arts.
Isaac Beta
Awesome place to come learn and train some MMA! They offer boxing, muay thai, and BJJ, in a super friendly and learning environment. 10/10 would recommend!
Milton Roman
Rounders MMA is the real deal. Whether you’re looking to compete, get in shape, or learn real self-defense, this gym delivers. The coaches are experienced, motivating, and genuinely care about your progress. The atmosphere is intense but welcoming—everyone pushes each other to get better every day. Classes are well-structured, with solid technique, hard training, and a strong team vibe. Easily one of the top MMA gyms around.
Noah Bueno
Came to the muay Thai and they were really welcoming and had good practice
Michael Shin
Tried all the local mma gyms around the area and this is where I settled on and been here for the last 2 years. Happy to call this place my home
Alakshendra Joshi
Great gym and community. I've been going to Muay Thai classes consistently since January, and the environment is extremely supportive. The coaches are highly experienced and provide extensive feedback. Working with other members is also a great experience. Overall, the gym has had a very positive effect on my health and well-being. 10/10 would recommend!