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X3 Sports - North Marietta

4.7 ★★★★★ 240 Google reviews · Kickboxing gym in Marietta, Georgia

Kickboxing gym Beginners welcome Kids & teens Cardio kickboxing Private lessons

Clean, welcoming martial arts studio featuring kickboxing and Muay Thai, plus boxing classes.

Plan your first class

  • Membership memberships run around $99/mo — many studios also offer class packs, drop-ins, and a discounted first month, so ask about new-member rates
  • 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
  • Private lessons one-on-one coaching available — a focused way to start or to work around a busy schedule; ask about availability and rates
  • Today see hours ·
  • Website & schedule x3sports.com — book classes and see the live schedule
  • Phone +1 678-329-9271

Hours

Monday 11:30 am–8 pm
Tuesday 11:30 am–8 pm
Wednesday 11:30 am–8 pm
Thursday 11:30 am–8 pm
Friday 11:30 am–7 pm
Saturday 9 am–1 pm
Sunday Closed

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 X3 Sports - North Marietta, confirmed in members' own reviews and the gym's own info — not guessed from the sign out front.

🔥 Cardio Kickboxing 2 mentions

“My wife enjoyed herself and had a great workout.”

All gyms that run cardio kickboxing →

🧒 Kids Kickboxing 4 mentions

“My seven-year-old son, 14-year-old daughter and I all do boxing many times when we are done with class, my son and I will get in the boxing ring and spar for a bit.”

All gyms that run kids kickboxing →

🌱 Beginners 5 mentions

“X3 sports in North Marietta is a great facility for training at all levels.”

All gyms that run beginners →

🤜 Sparring

“My seven-year-old son, 14-year-old daughter and I all do boxing many times when we are done with class, my son and I will get in the boxing ring and spar for a bit.”

All gyms that run sparring →

🦵 Muay Thai 3 mentions

“I’ve been training in both Muay Thai and Brazilian Jiu-Jitsu here, and not only have I grown stronger physically, but I’ve also built real confidence in my self-defense skills.”

All gyms that run muay thai →

🥊 Boxing 17 mentions

“My seven-year-old son, 14-year-old daughter and I all do boxing many times when we are done with class, my son and I will get in the boxing ring and spar for a bit.”

All gyms that run boxing →

👤 Private Lessons

“He’s very welcoming to new comers and sometimes has his more experienced students help the new guys out 1 on 1.”

All gyms that run private lessons →

Other martial arts here

Kickboxing gyms are usually multi-discipline. Here's what else members mention training under the same roof at X3 Sports - North Marietta — mined from their reviews and the gym's own info.

🦵 Muay Thai 3 mentions

“I’ve been training in both Muay Thai and Brazilian Jiu-Jitsu here, and not only have I grown stronger physically, but I’ve also built real confidence in my self-defense skills.”

Other gyms that also teach muay thai →

🥊 Boxing 17 mentions

“My seven-year-old son, 14-year-old daughter and I all do boxing many times when we are done with class, my son and I will get in the boxing ring and spar for a bit.”

Other gyms that also teach boxing →

🥋 Brazilian Jiu-Jitsu 4 mentions

“I’ve been training in both Muay Thai and Brazilian Jiu-Jitsu here, and not only have I grown stronger physically, but I’ve also built real confidence in my self-defense skills.”

Other gyms that also teach brazilian jiu-jitsu →

🛡️ Self-Defense

“I’ve been training in both Muay Thai and Brazilian Jiu-Jitsu here, and not only have I grown stronger physically, but I’ve also built real confidence in my self-defense skills.”

Other gyms that also teach self-defense →

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 240 Google reviews — in their own words.

🧑‍🏫 expert, motivating coaching 4 mentions

“Couch Nandi is a great coach if you wish to do boxing.”

🌱 welcoming to beginners 9 mentions

“He’s very welcoming to new comers and sometimes has his more experienced students help the new guys out 1 on 1.”

🎉 fun, high-energy classes 2 mentions

“My wife enjoyed herself and had a great workout.”

💦 killer cardio workout 2 mentions

“My wife enjoyed herself and had a great workout.”

🧼 clean, well-equipped gym 4 mentions

“I also like how clean & pleasant the facilities are as well as how friendly & helpful the desk staff is every single time come in.”

🧠 builds confidence & relieves stress 2 mentions

“I’ve been training in both Muay Thai and Brazilian Jiu-Jitsu here, and not only have I grown stronger physically, but I’ve also built real confidence in my self-defense skills.”

From the reviews

Training at this gym has been one of the best decisions I’ve ever made. I’ve been training in both Muay Thai and Brazilian Jiu-Jitsu here, and not only have I grown stronger physically, but I’ve also built real confidence in my self-defense skills.

★★★★★ — Gage, Apr 2025

The staff are friendly, supportive, and welcoming. The facility is clean and well maintained. The classes are fun and engaging. I really enjoy the BJJ classes with Jackson. You can tell the instructors are knowledgeable and professional.

★★★★★ — Katelynn, Oct 2025

Coach Buddha is an amazing boxing coach. He has a way of sitting back and really analyzing everyone in the class. If he sees something wrong he’ll point it out in an encouraging way and not make you feel stupid. If you’re doing it right he’ll also let you know and encourage you to keep doing what you’re doing.

★★★★★ — Josh, Oct 2021

X3 sports is a great place to go. My seven-year-old son, 14-year-old daughter and I all do boxing many times when we are done with class, my son and I will get in the boxing ring and spar for a bit. He is only seven years old and they are doing a great job teaching him.

★★★★★ — Jeremy, Aug 2024

Excerpts from public Google reviews. Read all 240 reviews →

New to kickboxing? Start at X3 Sports - North Marietta

X3 Sports - North Marietta comes up as a beginner-friendly gym, going by their listing and members’ reviews. 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.

Check beginner classes on their site

Your first kickboxing class at X3 Sports - North Marietta

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 X3 Sports - North Marietta

700 Sandy Plains Rd a13, Marietta, GA30066

Get directions

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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.