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Institute of Defensive Methods

5 ★★★★★ 19 Google reviews · Muay thai gym in North Arlington, New Jersey

Muay Thai gym Kids & teens

Plan your first class

  • Kids & youth classes kids and youth muay thai classes — built around discipline, focus, and confidence
  • Sparring & clinch sparring and clinch sessions for members ready for controlled contact — always optional and coach-supervised
  • Today see hours ·
  • Website & schedule idmnj.com — book classes and see the live schedule
  • Phone +1 201-955-8025

Hours

Monday 11 am–9:30 pm
Tuesday 11 am–9:30 pm
Wednesday 11 am–9:30 pm
Thursday 11 am–9:30 pm
Friday 11 am–12 am
Saturday 12 am–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 Institute of Defensive Methods, confirmed in members' own reviews and the gym's own info — not guessed from the sign out front.

🧒 Kids Muay Thai 5 mentions

“I promise that you and your children will reap life long benefits as I and my family have.”

All gyms that run kids muay thai →

🥊 Sparring

“The practical drills and sparring sessions make the training engaging and effective, ensuring that every student leaves feeling empowered.”

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🛡️ Self-Defense 2 mentions

“If you want to be the best martial artist possible or at least learn how to protect yourself and your loved ones this is the place to be.”

All gyms that run self-defense →

Other martial arts here

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

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 19 Google reviews — in their own words.

🤝 no-ego, friendly gym 6 mentions

“The supportive community at the Institute fosters an atmosphere of respect and camaraderie, allowing students to thrive and learn from one another.”

📘 real technique & fundamentals 3 mentions

“He emphasizes that through self-expression we can interpret our art using the defense techniques from different lineages.”

🥊 legit sparring & fight team 2 mentions

“The practical drills and sparring sessions make the training engaging and effective, ensuring that every student leaves feeling empowered.”

🇹🇭 authentic Thai roots 5 mentions

“Sifu Cesar takes the old traditional training and applies it to todays skills so you can understand and appreciate its true applications.”

🧠 builds confidence & discipline 4 mentions

“Each class is structured to progressively build skills and confidence, making it an ideal environment for both beginners and experienced martial artists.”

From the reviews

My full and honest review is too long to write here. Anyone geographically close enough to join and train with Sifu Olavarria should run there before his new location fills up! I started training with him and his highly skilled instructors back in 2006, as a police officer. It truly changed and saved my career!

★★★★★ — Edwin, Dec 2022

⭐⭐⭐⭐⭐ I am thrilled to share my experience at the Institute of Defensive Méthode, where I’ve had the privilege of training under Grand Master Sifu Ceasar Olavarria.

★★★★★ — David, Jan 2025

Whether you are interested in learning how to defend yourself, having your kids learn discipline and self awareness or you would like to be in a long lineage of true martial artists in direct line from Ip Man, Bruce Lee, Grand Master Kwok and too many to list here. This is the place for you.

★★★★★ — Jeff, Nov 2022

If you want to learn true and authentic martial arts, this is definitely the place. I’ve always wanted to learn martial arts to learn how to fight and when I started learning under Sifu Olavarria I learned so much more.

★★★★★ — Avanish, Jan 2025

Excerpts from public Google reviews. Read all 19 reviews →

Your first muay thai class at Institute of Defensive Methods

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 Institute of Defensive Methods

41 River Rd, North Arlington, NJ07031

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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.