About
San Marcos Jiu Jitsu offers Little Champions for kids ages 4-5, All Levels Kids for ages 6-12, and Homeschool Jiu Jitsu for kids ages 6-12. It also offers Adult Jiu Jitsu for adults of all skill levels and Women’s Jiu Jitsu for all experience levels.
Programs
- Little Champions: Kids aged 4 - 5 — 4-5
- All Levels Kids: Kids aged 6 - 12 — 6-12
- Adult Jiu Jitsu — adults of all skill levels · Brazilian Jiu Jitsu for adults of all skill levels. Structured curriculum for beginners with a strong focus on fundamentals.
- Women’s Jiu Jitsu — all experience levels · Saturdays, 11AM - 12PM · Designed for women looking to learn takedowns and groundfighting techniques, practical self defense skills, gain fitness, lose weight, and build confidence.
- Homeschool Jiu Jitsu — 6-12 · Daytime kids jiu jitsu classes for homeschool kids. Designed specifically for kids ages 6–12.
At a glance
- Ages: 4–18 years old
About the provider
San Marcos Jiu Jitsu is led by Jean "Dalua" Cartagena and Steven Koenig. Jean Cartagena is a third degree black belt in Brazilian Jiu Jitsu, a black belt in Judo, an IBJJF Pan Gold Medalist, an IBJJF NoGi Worlds Bronze Medalist twice, an American National Gi Silver Medalist, and has 11 years of coaching experience in North America. Steven Koenig is a first degree black belt in Brazilian Jiu-Jitsu. The program says it serves families in San Marcos, Kyle, New Braunfels, Lockhart, Martindale, Maxwell, and surrounding areas, and that its mission is to provide a stable training environment for individuals and families to achieve personal goals on and off the mat.
No experience required. Beginner-friendly classes available. No contracts for membership. Classes taught by dedicated black belt instructors. Schedule may change due to competitions and holidays. Online schedule is updated every Sunday. Free trial offered: 7-day free trial and free week trial are stated. Also offers free classes for Heroes: Active-duty Military, Veterans, First Responders, and Educators.
What families say
“Been training for over 10 years, I’m well versed in what makes a good or bad gym, and this is a wonderful place to train. Good instruction, class structure, live training and over all vibe. Steven clearly cares about his students and wants them to improve in jiujitsu.” — D. B. (Google Review)
“I've trained at a few schools between NB and San Marcos. The instructors and training at SMJJ is the best. Professor Steven and Dalua invest time in their students and with their 30+ years of training can help you truly learn the skill while having fun! I highly recommend them!” — Allen P. (Yelp Review)
“Very welcoming vibe. I enjoy the calmness, lack of ego, and organization of the classes. It makes it perfect for a beginner to get comfortable. Everyone is simply there to assist in your growth. It’s awesome to have a great gym for this art in San Mo!” — Hunter S. (Google Review)
Last updated October 3, 2026.
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