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Ethereal Arts Self Defense

4.9 ★★★★★ 51 Google reviews · Muay thai gym in Stow, Massachusetts

Muay Thai gym Free trial Beginners welcome Kids & teens Private lessons Fight team

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 (ages 5–13) — 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
  • Sparring & clinch sparring and clinch sessions for members ready for controlled contact — always optional and coach-supervised
  • Fight team a competition team for members who want to test themselves as amateur fighters
  • Today see hours ·
  • Website & schedule etherealartsselfdefense.com — book classes and see the live schedule
  • Phone +1 978-897-8585

Hours

Monday 12–9:30 pm
Tuesday 12–9:30 pm
Wednesday 12–10 pm
Thursday 3:30–9:30 pm
Friday 5–9:30 pm
Saturday 10 am–2:30 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 Ethereal Arts Self Defense, confirmed in members' own reviews and the gym's own info — not guessed from the sign out front.

🌱 Beginner Muay Thai 2 mentions

“This school is excellent for children, beginners, to people who have been doing martial arts their entire lives.”

All gyms that run beginner muay thai →

🧒 Kids Muay Thai 44 mentions

“This school is excellent for children, beginners, to people who have been doing martial arts their entire lives.”

All gyms that run kids muay thai →

🛡️ Self-Defense 12 mentions

“Master Frost is a wealth of information, welcomes questions and strives to make sure students understands each move as well as how it is used in self-defense.”

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 Ethereal Arts Self Defense — mined from their reviews and the gym's own info.

🦵 Kickboxing

“My daughter has been taking Muay Thai Kickboxing for about 2 months.”

Other gyms that also teach kickboxing →

🎽 Karate 11 mentions

“It is a great environment to learn the Kenpo Karate self defense and the children really enjoy their time there - in fact both my children attend classes 2-3 times a week.”

Other gyms that also teach karate →

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 51 Google reviews — in their own words.

📘 real technique & fundamentals 9 mentions

“Master Frost is a wealth of information, welcomes questions and strives to make sure students understands each move as well as how it is used in self-defense.”

🧒 strong kids program 2 mentions

“My daughter has grown in self-confidence, is stronger and more self assured.”

🥊 legit sparring & fight team 3 mentions
🧠 builds confidence & discipline 10 mentions

“My son has learned not only the skills and techniques but more importantly the discipline and principles behind martial arts.”

From the reviews

My 11 year old daughter and 5 year old son have both attended Ethereal Arts for just over a year now. My daughter attends the Kids Kenpo Karate class and my son, the Little Griffins, they both enjoy every minute. The tuition given by Master Frost and Sensei Mike and Jeff is excellent in my opinion.

★★★★★ — Brookes, Mar 2015

In addition to being well skilled in teaching kids in Kenpo karate, Sensei Frost and his team (including the senior back belt students who coach at times) provide a highly positive, nurturing environment in the dojo.

★★★★★ — Vasumathi, Jan 2024

Both of my kids practice at Ethereal Arts Self Defense in Stow and they love it. The after school program is fantastic - with pick up direct from school and an afternoon of activities before the evening class.

★★★★★ — Megan, Nov 2019

The classes fit my schedule and the instructors are respectful and happy to discuss accommodations for any special needs. The two week free trial gave me a chance to see if the courses, instructors, and school culture worked for me. I’ve made progress in a short time.

★★★★★ — Sarah, Jul 2024

Excerpts from public Google reviews. Read all 51 reviews →

New to muay thai? Start at Ethereal Arts Self Defense

Ethereal Arts Self Defense 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.

See their beginner class info

Your first muay thai class at Ethereal Arts Self Defense

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 Ethereal Arts Self Defense

118 Great Rd, Stow, MA01775

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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.