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Mastermind Martial Arts & Fitness

4.9 ★★★★★ 22 Google reviews · Muay thai gym in Hesperia, California

Free trial Beginners welcome Kids & teens Private lessons Fitness classes

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
  • Private lessons private, one-on-one coaching available — a focused way to start or to work around a busy schedule; ask about availability and rates
  • Fitness & conditioning muay thai fitness and cardio classes — a serious workout you can do without ever having to spar
  • Today see hours ·
  • Website & schedule mastermindmartialarts.ueniweb.com — book classes and see the live schedule
  • Phone (760) 617-3016

Hours

Monday 10:30 AM–12 PM, 5–8:30 PM
Tuesday 10:30 AM–12 PM, 6–8:30 PM
Wednesday 10:30 AM–12 PM, 5–8:30 PM
Thursday 10:30 AM–12 PM, 6–8:30 PM
Friday 10:30 AM–12 PM, 5–8:30 PM
Saturday Closed
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 Mastermind Martial Arts & Fitness, confirmed in members' own reviews and the gym's own info — not guessed from the sign out front.

🧒 Kids Muay Thai 5 mentions

“We have been taking our kids close to 3 years to jujitsu , we have felt so comfortable there , that my husband has joined adult jujitsu and I also took kick boxing classes .”

All gyms that run kids muay thai →

👤 Private Lessons

“From classes to private lessons the service at Mastermind is great.”

All gyms that run private lessons →

🌱 Beginner Muay Thai

“Daniel is a true master at breaking down techniques for all skill levels.”

All gyms that run beginner muay thai →

Other martial arts here

Muay thai gyms are usually multi-discipline. Here's what else members mention training under the same roof at Mastermind Martial Arts & Fitness — mined from their reviews and the gym's own info.

🦵 Kickboxing 4 mentions

“We have been taking our kids close to 3 years to jujitsu , we have felt so comfortable there , that my husband has joined adult jujitsu and I also took kick boxing classes .”

Other gyms that also teach kickboxing →

🥊 Boxing 2 mentions

“We have been taking our kids close to 3 years to jujitsu , we have felt so comfortable there , that my husband has joined adult jujitsu and I also took kick boxing classes .”

Other gyms that also teach boxing →

🥋 Brazilian Jiu-Jitsu (BJJ) 6 mentions

“Hidden gem over in the high desert, Daniel gives top quality instruction and is an expert in kick boxing / MuayThai and a high level black belt in Brazilian Jiujitsu.”

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

🤼 Judo

“Daniel is a great instructor in both kickboxing and bjj/judo.”

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 22 Google reviews — in their own words.

🧑‍🏫 expert, authentic coaching 3 mentions

“Daniel is a great instructor and our kids love going to his Jiu Jitsu classes.”

🤝 no-ego, friendly gym 5 mentions

“It's a great environment and everyone is welcoming I have nothing but positive things to say about mastermind martial arts!”

📘 real technique & fundamentals 3 mentions

“Professor Pollaccia is a passionate teacher and takes the time for you to learn and understand the technique.”

🧒 strong kids program 2 mentions

“This is a great place everyone works well together my kids love going and have already learned so much.”

💵 good value / fair pricing 2 mentions

“High value instruction at a great price.”

From the reviews

Been coming for 10 months. Relaxed feel, experienced black belt instructor, individualized advice during training and a great experience overall. Well worth it. I have never been involved in any level of combat sport before and Daniel ahs made things feel natural for me in the first few months alone.

★★★★★ — Brett, Feb 2025

Daniel is a great instructor in both kickboxing and bjj/judo. He truly cares about his students and goes out of his way to help you improve. Small class environment, so there is the opportunity to get a lot more feedback/attention than you might be able to at a larger gym. Highly reccomend.

★★★★★ — Logan, Feb 2024

Hidden gem over in the high desert, Daniel gives top quality instruction and is an expert in kick boxing / MuayThai and a high level black belt in Brazilian Jiujitsu. Definitely a must stop by when in the area!

★★★★★ — Elias, Feb 2020

Daniel at Mastermind has picked a fitting name for his gym. He takes pride in his students with careful instruction including winning strategies that give them a certain edge. If you're looking for a legit black belt in Jiu Jitsu, a solid kickboxing skill set or the ability to defend yourself, Mastermind is your place.

★★★★★ — Strength, Feb 2020

Excerpts from public Google reviews. Read all 22 reviews →

New to muay thai? Start at Mastermind Martial Arts & Fitness

Mastermind Martial Arts & Fitness 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 Mastermind Martial Arts & Fitness

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 Mastermind Martial Arts & Fitness

17189 Bear Valley Rd #120, Hesperia, CA92345

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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.