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Kaizen Jiu Jitsu

5 ★★★★★ 26 Google reviews · Muay thai gym in San Marcos, Texas

Muay Thai gym Free trial Beginners welcome Kids & teens

Plan your first class

  • Free trial or intro class most gyms welcome new members with a free trial or intro class — check their site or give them a call to book your first session
  • Beginner-friendly all levels welcome, including total beginners — you don't need to be fit or have any experience to start
  • Kids & youth classes kids and youth muay thai classes — built around discipline, focus, and confidence
  • Today see hours ·
  • Website & schedule kaizenjjtx.com — book classes and see the live schedule
  • Phone (512) 689-7792

Hours

Monday 4–9 PM
Tuesday 4–9 PM
Wednesday 4–9 PM
Thursday 4–9 PM
Friday Closed
Saturday 12–2 PM
Sunday Closed

Hours shift for holidays, seminars, and open-gym times — worth a quick check before a special trip.

The classes they run

Muay thai classes on the schedule at Kaizen Jiu Jitsu, confirmed in members' own reviews and the gym's own info — not guessed from the sign out front.

🌱 Beginner Muay Thai 2 mentions

“Whether you're a beginner or an advanced practitioner, he tailors his guidance to suit your individual skill level, ensuring that everyone feels included and challenged.”

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🧒 Kids Muay Thai 14 mentions

“my kids have grown so much in self-confidence, and my son has learned how to advocate for himself where he used to get bullied a lot.”

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🛡️ Self-Defense

“Huge bonus is I'm losing weight and learning self defense techniques.”

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Other martial arts here

Muay thai gyms are usually multi-discipline. Here's what else members mention training under the same roof at Kaizen Jiu Jitsu — mined from their reviews and the gym's own info.

🥋 Brazilian Jiu-Jitsu (BJJ) 9 mentions

“We have trained together in several martial arts including Jiujitsu, and we have shared the path of teaching martial arts.”

Other gyms that also teach brazilian jiu-jitsu (bjj) →

🤼 Judo

“Good use and carryover with his Judo experience into takedowns.”

Other gyms that also teach judo →

Disciplines are mined from reviews and the gym's own info — they show what members have trained, not a formal class guarantee. If you specifically want BJJ, boxing, or MMA alongside muay thai, confirm the current schedule with the gym.

What members say

The things reviewers bring up again and again across 26 Google reviews — in their own words.

🧑‍🏫 expert, authentic coaching 4 mentions

“Coach Sean is a great guy and it feels like home when you come in.”

🌱 welcoming to beginners 7 mentions

“Whether you're a beginner or an advanced practitioner, he tailors his guidance to suit your individual skill level, ensuring that everyone feels included and challenged.”

🤝 no-ego, friendly gym 11 mentions

“The coach is incredibly kind and supportive, always making sure his students feel safe and encouraged.”

📘 real technique & fundamentals 3 mentions

“Huge bonus is I'm losing weight and learning self defense techniques.”

🧒 strong kids program 2 mentions

“my kids have grown so much in self-confidence, and my son has learned how to advocate for himself where he used to get bullied a lot.”

🧼 clean, well-equipped gym 3 mentions

“Kaizan was clean, convenient location, good use of space.”

From the reviews

We’ve had such a great experience at Kaizen Jiu Jitsu gym. Coach Sean has been amazing with our 5-year-old son. He’s the youngest in the class, and Coach Sean has shown patience, encouragement, and skill in working with him.

★★★★★ — Colby, Jan 2026

As a mother and as someone completely new to the martial arts, I didn’t know what to expect — but Kaizen Jitsu was everything I could’ve hoped for my teenage son! The coach is incredibly kind and supportive, always making sure his students feel safe and encouraged.

★★★★★ — Nas, Apr 2025

Sean is not only highly skilled in Jiu-Jitsu but also an excellent teacher and leader. He is patient, approachable, and genuinely invested in helping each student reach their full potential.

★★★★★ — Sarah, Feb 2024

I've been training at Kaizen for a few months now,and it's been a great experience. Coach Sean is awesome and my gym mates are always fun to train with and learn from. It feels more like a Family than a gym. Huge bonus is I'm losing weight and learning self defense techniques.

★★★★★ — Emilio, Aug 2025

Excerpts from public Google reviews. Read all 26 reviews →

New to muay thai? Start at Kaizen Jiu Jitsu

Kaizen Jiu Jitsu comes up as a beginner-friendly gym — noted on their own site. If you've never thrown a punch or a kick, that's exactly who a good beginners program is for. A few things worth knowing before your first week. First, you don't need to be fit to start — you get in shape by training, not before it, and coaches scale the conditioning to you. Second, you won't be thrown into sparring — reputable gyms build fundamentals (stance, footwork, and the basic strikes of the "art of eight limbs") for weeks before any contact, and sparring stays optional. Third, all levels really are welcome — ask about a dedicated beginners or fundamentals class time so your first session is alongside others who are also starting out. Most gyms are happy to let you watch or try a class first, so reach out before you commit.

Check beginner classes on their site

Your first muay thai class at Kaizen Jiu Jitsu

Nervous about walking into a muay thai gym for the first time? Almost everyone is, and good coaches expect beginners to come through the door. Here's what to know. What to expect: a typical first class is a warm-up, then drilling the basics on pads and bags — not fighting. Rest whenever you need to; no one will bat an eye. What to wear: shorts or athletic wear and a t-shirt; you'll train barefoot on the mats. What to bring: water and hand wraps if you have them — many gyms lend gloves for a first class, so it's worth asking when you call. As you keep training you'll add your own gloves, wraps, a mouthguard, and shin guards. Sparring is optional and comes later, once your fundamentals are solid. Arrive 10–15 minutes early to sign a waiver and meet the coach. It gets easier fast — most people feel far more at home by their third class.

Muay thai is a contact sport. Ease in, listen to your coaches, and if you have any injuries or health concerns, mention them before class and check with a doctor if you're unsure.

Where to find Kaizen Jiu Jitsu

Behind Eden, 121 Fredericksburg St, San Marcos, TX78666

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Listing verified July 2026 from public business records and member reviews. Something out of date? Report a correction. Own this gym? Claim your listing — it's free.