The Compound MMA & Fitness Gym
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The Compound MMA & Fitness Gym
Native to Oceanside, California. The Compound MMA gym has 10 unique classes covering ALL forms of fighting and self-defense for beginners all the way up to seasoned experts! Classes are always taught by UFC professional fighters with a real heart and passion for the sport! We offer classes for kids and adults any age and experience level.

So don't be shy if you have never done fighting or self-defense before! If burning calories is your game we have plenty of conditioning and workout classes for you! Come on in and train with us, crack some jokes with us, and get in the best shape of your life!. Go through a variety of workouts and conditioning for all levels of fitness from just starting to in shape!
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We don't just workout and go through the motions. We WORKOUT! Starting with proper technique and keeping you motivated with some awesome tunes and people around you working and sweating harder than ever! On a typical day in this class we start with the breakdown of exercises we will be doing on the whiteboard.
It's more than just punching and kicking. Here at the compound we teach everything from footwork to how to throw a proper punch/kick to how to block and defend punches using your body and legs.

On a typical Tuesday/Thursday evening Muay Thai class we start warm ups with foot work drills or jump ropes, we move over to thai pad work and defensive drills and at the end test your skills in a mini sparring match (if your up for it) or finish off with some of everyone's favorite thing.
Get your kids in the action with our Muay Thai Kickboxing classes! We tailor these classes to every kids need and make sure they learn while having a good time with their friends! All the best techniques, just kidified! No Gi required but make sure kids have on clothes they don't mind being pulled on and stretched out a little bit.
There are many ways to learn Jiu Jitsu. Here at the compound we teach everything from footwork and body placement, to how you take down opponents bigger than you and learning to use your opponents weight against them. On a typical Monday/Friday evening Jiu Jitsu class we start warm ups with stretching and getting our body warm, we move over to technique and live partner work drills.
Bring your kids to this action packed Jiu Jitsu class we hold at 5:15pm Mondays and Fridays! Tuesdays and Thursdays at 5:15 are for kids Muay Thai so come on in and make sure to have your shinguards and boxing gloves handy! Come on in for some immaculate cardio and a real full body exercise in Compounds boxing classes!
Reviews (22)
Justin M.
Justin M.
Jan 07, 2022
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This is the REAL DEAL full spectrum mixed martial arts gym. I'm a 42 year-old beginner at MMA and it's been a pleasure working with serious professional fighters. It feels like family at the compound, and both the coaches and the experienced members have gone out of their way to help me with my conditioning and improving my technique in Muay Thai and Jiu Jitsu. This isn't some cheesy dime-o-dozen neighborhood karate class. Compound serves people that really want to get after it and take their training seriously.
O. Clowdz
O. Clowdz
Nov 02, 2021
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Critical: Communication, Professionalism
Never take the time to write a review for anything but definitely do NOT recommend. Unprofessional and can’t even cancel my membership.
Layla Nagi
Layla Nagi
Jul 29, 2021
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I love this gym, and the coaches know their stuff. It has a little bit of everything for everyone. Boxing, jiujitsu, and a great HIIT class every night and more! Highly recommend.
Tim Lyon
Tim Lyon
Jan 05, 2021
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Positive: Communication, Professionalism, Quality, Value
This place is amazing! Clean, Great equipment and great staff. All the coaches are professional and stuff Will help you with anything you need. I’ve been to a lot of different gyms and this one by far has the best family experience. Also being active duty military, the 24 hour access is a huge benefit.
Daisy Marquez
Daisy Marquez
Dec 31, 2020
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Positive: Communication, Professionalism, Quality, Value
Me and my husband and son just started last week and we love it.. Everyone is helpful and friendly.. Makes me feel right at home.. This is the place to be ..
Hector Caraveo
Hector Caraveo
Oct 02, 2020
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Positive: Communication, Professionalism, Quality, Value
Great place to be at, great place to train. You want to compete and go somewhere, or just be part of a family with solid people, this is the place to go.
Highly recommend the jiu jitsu and muay thai here over any other place in the oceanside.
Jack Kelleher
Jack Kelleher
Sep 17, 2020
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This place rocks, great environment to learn the basics or master the arts.( 0 MMA exsperience) In the area for about a week texted Sean and showed up to whatever class I was interested in he set me up for the week for next to nothing and gave me some wrist wraps for free. Definitely would stick with this gym if I stayed in the area great team energy and attitude. stop making excuses and trust the process this place will make U a beast!!!
Maria Bates
Maria Bates
Aug 15, 2020
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My niece has been training with Sean now for over a year. I have watched her and watched her train. Sean is a great trainer and tough and you understand why when you see these ones compete. Anyway I have also seen people train in there this is a great gym and I highly recommend it. I would be a member myself if I didn’t live in San Diego. But my brothers whole family goes here and it is amazing plus everyone is so nice as well.😊
Darren A.
Darren A.
Aug 14, 2020
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This place is really good, my first few day the owner Sean gave me excersize's to do to get myself back in to shape, he was very helpful easy going and understanding. He gave me a good deal for a family plan to attend his gym for me, my wife and 3 kids. Super friendly great vibe, id recommend this gym to anyone.
Hector Caraveo
Hector Caraveo
Aug 09, 2020
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Positive: Communication, Professionalism, Quality, Value
Great guy, great environment. Would 100% recommend if someone wants to train seriously and eventually compete.
Rebecca L.
Rebecca L.
Jul 15, 2020
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I was a member until CoVid hit and had to cancel my membership. Sean quickly assisted me with this despite losing other members due to the stay at home restrictions. He definitely put the wellbeing of his clients ahead of his.
Miguel B.
Miguel B.
Feb 04, 2020
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The Compound MMA is a great gym for anybody who wants to meet their fitness goals and beyond. I've been a member for 8 years and the quality of my life has changed for the better. Physically and mentally as well. I've lost over 100 pounds and gained solid muscle, training with Sean and many great coaches/teammates. They really push you to another level to bring out the best of your potential. I did my college internship through the compound and have helped many fighters prepare for fights. Sean has given me many opportunities and I've seen him do it for many others around me. He
Dj M.
Dj M.
Jan 05, 2020
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The quality of this gym, it's coaching, and training environment is on an elite level. I've tried multiple gyms in my area but end up driving 45 minutes to Compound due to the value of coaching they offer.

I highly recommend Compound MMA for you or your children.
Nate W.
Nate W.
Nov 19, 2019
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I'm 40 now, and had some bad experiences with other trainers and gyms getting injured. After three months with Compound, my fighting, endurance and strength is way better without any injury - other than epic soreness the first few weeks ;^)

Sean, Andy and Q are rarities. Tons of in the ring / on the mat experience, insane levels of knowledge about strength and conditioning for fighters, and will push you waaay out of your comfort zone ... all without the stereotypical MMA ego's.
Jennifer G.
Jennifer G.
Apr 10, 2019
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Expect unprofessional management and toxic interactions with the owner. Would not recommend!
Em K.
Em K.
Oct 08, 2017
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Ok so a couple things, Sean Loeffler is a psychopath. I have just had to report him and another one of his buddies to the authorities because they wouldn't stop harassing me with phone calls and texts messaging calling me a B***h and a C***t. How they have ANY customers is beyond me and shame on you if you support this business. I blocked his number and he continued to call me from UNKOWN numbers multiple times within an hour. He berated me for calling him "sketchy" and called me names and started harassing me. I googled his phone number 424-***-**** and it linked me to his twitter
Chloe H.
Chloe H.
Sep 01, 2016
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I love love love this gym! I hate to call it a gym because it's way more than that. I've never been a huge athlete but the instructors pushed me to do things I never thought I could. In the strength and conditioning classes I learned so much about working out and the anatomy of the human body. The workouts are always different and challenging not to mention extremely rewarding!

The staff is friendly and welcoming. They want to help and motivate you to achieve your goals. I would recommend this place to anyone!!!
Heather U.
Heather U.
May 02, 2016
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I've played sports my whole life and after moving to California a few years ago, I had to transition to trying to find passion in just going to the gym rather than engaging in competitive sports. I recently became bored of my own gym routine and needed to find something different. After finding The Compound, my commitment and drive for fitness and competition has returned. They offer many different classes depending on what your looking for. The strength and conditioning program has been just what I was looking for. An hour of intense circuits, cardio, boxing/kickboxing and weight elements
Rhonda J.
Rhonda J.
Nov 12, 2015
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The Compound MMA is an amazing gym!! If you're coming to be cute and model your new gym wear, not the place for you, if you're coming because you want real results and the expertise of knowledgeable, raw professionals, then this is your place!!! My son lost over 40lbs and has gained muscle, skill as an amateur MMA fighter and a family at The Compound. The Compound is an authentic MMA gym that includes strength & conditioning as a bonus for those who want to get gladiator fit!! Call today you won't be disappointed.
Sheena F.
Sheena F.
Feb 14, 2015
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I absolutely love this gym! I have been to many gyms and exercise studios but once I got referred to the compound I found a home. When I first went in the staff was very welcoming and helpful. The class instructors are encouraging and help you reach your goals. Every class is different which keep you on your toes and keep you from getting bored. Plus.... They have kombucha on tap!! There are also so many options for classes and times that will fit into anybody's schedule.
Pamela R.
Pamela R.
Jan 27, 2014
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NOT a good place for kids. My 10 year old tried an MMA class for kids. The instructor was not able to keep tabs on all of the kids, probably because his own kids were in the class and getting most of his attention. Not a good thing when he's "teaching" how to do a choke hold...yep, he had 10 year old children practicing choke holds...on each other! We didn't go back...
Mike C.
Mike C.
Feb 05, 2013
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The Compound is a great place to find functional fitness or take your conditioning to the next level. They offer both MMA specific training (boxing, grappling, etc..) and overall strength & conditioning classes. Their staff is very knowledgeable and there is a diverse group of clients that makes everyone feel welcome.

I personally come from a military / personal training background and find their classes intense and refreshing. The workouts consist of what you might see on "The Ultimate Fighter" and include exercises with kettle bells, heavy ropes, tractor tires and sledge hammers