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American Gym

4.9 ★★★★★ 78 Google reviews · Kickboxing gym in Costa Mesa, California

Kickboxing gym Free trial Beginners welcome Kids & teens Cardio kickboxing

Boxing gym offering training and classes for kids, teens, and adults of all skill levels.

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 fitness levels welcome, including total beginners — no experience needed, and you get in shape by training, not before
  • Cardio kickboxing classes high-energy cardio kickboxing on the bags and pads — a fun, sweaty workout built for fitness and weight loss, at your own pace
  • Kids & teen classes kids and teen kickboxing classes — built around confidence, focus, and fun
  • Today see hours ·
  • Website & schedule americangym.com — book classes and see the live schedule
  • Phone (949) 903-1911

Hours

Monday 6 AM–9 PM
Tuesday 6 AM–9 PM
Wednesday 6 AM–9 PM
Thursday 6 AM–9 PM
Friday 6 AM–8 PM
Saturday 8 AM–3 PM
Sunday 8 AM–2 PM

Hours shift for holidays and class-schedule changes — worth a quick check before a special trip.

The classes they run

Kickboxing classes on the schedule at American Gym, confirmed in members' own reviews and the gym's own info — not guessed from the sign out front.

🧒 Kids Kickboxing 6 mentions

“I enrolled my son in the kids' classes here last week, and I couldn’t be happier.”

All gyms that run kids kickboxing →

🌱 Beginners

“The workouts are suitable for any level -- beginners to advanced.”

All gyms that run beginners →

🦵 Muay Thai

“And the coaches all possess a wealth of knowledge in their respective areas, whether it be boxing or Muay Thai, and most have professional fighting experience.”

All gyms that run muay thai →

🥊 Boxing 18 mentions

“And the coaches all possess a wealth of knowledge in their respective areas, whether it be boxing or Muay Thai, and most have professional fighting experience.”

All gyms that run boxing →

🔥 Cardio Kickboxing

“Has all the equipment you need plus plenty of heavy bags and love the sense of community it fosters.”

All gyms that run cardio kickboxing →

Other martial arts here

Kickboxing gyms are usually multi-discipline. Here's what else members mention training under the same roof at American Gym — mined from their reviews and the gym's own info.

🦵 Muay Thai

“And the coaches all possess a wealth of knowledge in their respective areas, whether it be boxing or Muay Thai, and most have professional fighting experience.”

Other gyms that also teach muay thai →

🥊 Boxing 18 mentions

“And the coaches all possess a wealth of knowledge in their respective areas, whether it be boxing or Muay Thai, and most have professional fighting experience.”

Other gyms that also teach boxing →

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 muay thai, boxing, or MMA alongside your kickboxing, confirm the current schedule with the gym.

What members say

The things reviewers bring up again and again across 78 Google reviews — in their own words.

🧑‍🏫 expert, motivating coaching 3 mentions

“In just a short time, I’ve already noticed a boost in his confidence, all thanks to the amazing coach.”

🌱 welcoming to beginners 5 mentions

“The entire staff is very friendly and helpful and the facility is always clean and welcoming.”

🎉 fun, high-energy classes 3 mentions

“I like having all those choices, it means I'm never bored, which motivates me to keep showing up.”

💦 killer cardio workout 2 mentions

“If you're looking to fight, or just looking to participate in some non-contact boxing, get in killer shape, and have some skills in your back pocket, go check this place out.”

⚖️ great for weight loss 2 mentions

“The gym has always been great, but I've seen it transform for the better ever since Richie started working with Brian to implement some changes.”

🧼 clean, well-equipped gym 6 mentions

“The gym has gone through some updates and new equipment changes which definitely made this gym even better.”

From the reviews

I've been coming to this gym for 5 years at least. What attracted me to it was that it's small and not corporatized, which comes with benefits such as people knowing your name.

★★★★★ — Richard, Jan 2025

I did not know what to expect when I bailed on my yoga membership and signed up for a three day trial at American Gym Boxing. I showed up so nervous and was immediately treated with respect, smiles and kindness. I ended up going nearly 6 days a week just because I loved it so much. I never had so much fun working out!

★★★★★ — Clarke, Dec 2019

Unbelievable experience daily! I've been an athlete my entire life and have developed relationships with a lot of coaches, trainers, ect. throughout. As a competitive athlete/trainer myself it's easy to walk around with a chip on your shoulder, it happens all the time.

★★★★★ — Jason, Apr 2017

I enrolled my son in the kids' classes here last week, and I couldn’t be happier. This gym has such a welcoming and supportive atmosphere! everyone is friendly and great. The coach is incredible, especially with the kids, balancing fun with the right amount of hard work.

★★★★★ — Emilie, Jan 2025

Excerpts from public Google reviews. Read all 78 reviews →

New to kickboxing? Start at American Gym

American Gym 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 class is for. A few things worth knowing before your first week. First, you don't need to be fit or coordinated to start — you get in shape by training, not before it, and coaches scale every drill to you. Second, you won't be thrown into hard sparring — reputable gyms build the basics (stance, footwork, and punches and kicks on pads and bags) first, and any contact eases in gradually under a coach's control. Third, all fitness 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 kickboxing class at American Gym

Nervous about walking into a kickboxing 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 — stance, footwork, and punches and kicks on pads or a heavy bag — not hard sparring. Go at your own pace and rest whenever you need to; no one will bat an eye. What to wear: comfortable athletic clothes you can move and sweat in, and supportive trainers. What to bring: water, and hand wraps and gloves if you have them — many gyms lend loaner gloves for a first class, so it's worth asking when you call. As you keep training you'll add your own gloves and wraps (and shin guards once you start sparring). Sparring is optional and eases in gradually, once your basics 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.

Kickboxing is a contact sport. Warm up, pace yourself, 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 American Gym

1638 Placentia Ave Ste A, Costa Mesa, CA92627

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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.