I have been bringing my son here for about 8 months and I have seen a great improvement in my his…read moreoverall attitude towards others and himself. His confidence has gone up and we are so grateful to the Gracie team here in Riverside for all the help they have given and the compassion shown is astounding. I am excited to see the young man he becomes with the help and guidance from all these amazing coaches and his peers.

I have been training with Gracie for about 2 months and it is awesome. They offer a women's only…read moreclass on Saturday mornings at the Riverside location. All of the ladies are great. We are bonding and making our friendship better each weekend. I was able to gain the comfort and confidence with my training partner/ friends and coaches and also began trying out the mixed classes during the week nights. If your looking for a place to learn some great skills and friendship, come join us. All of the coaches are great. Be ready for a nice full body workout. See you soon :)

Great gym for the whole family. Found the perfect place where the whole family can learn, train and…read morehave fun. It's clean and coaches care!

Both of my kiddos were attending the kickboxing class and thoroughly enjoyed it. They both learned…read moremoves they were glad to know how to defend themselves if they need to.

Another year has past and I am still proud to be part of the amazing and accepting Gorilla family!…read moreFrom the amazing leadership from the dedicated coaches to the motivated and eager students. The lessons learned here go deeper than just self defense. Oosss

Killer Brazilian Jiu Jitsu here! If you want to win tournaments, this is where you train.read more

Sam is an incredible instructor. My daughter and I have trained here for a few years now. Sam's…read moretraining never disappoints. He is thorough and patient and always integrates important lessons into his training. If you were looking for a place to train either jiu-jitsu, or Muay Thai... I highly recommend

As a parent, you're always hoping to find "that one thing" your kid connects with. For us, that…read moreturned out to be Marcellini's Martial Arts Academy. Before Jiu Jitsu, we tried several activities, but nothing really stuck. Our daughter felt shy and uncomfortable in most environments. From day one here, Sensei Sam made her feel welcome and part of the group. That care and encouragement meant everything. Now, three years later, the change is incredible. She's more confident, more focused, calmer, and makes better decisions. Her social skills have improved so much, and she's not afraid to step into new situations anymore. She carries herself differently -- stronger and more self-assured. And the best part? She absolutely loves going. This isn't just martial arts training -- it's character building, teamwork, and life skills. We're very grateful we found this place. Highly recommend to any parents considering it.

My son who is now 10 has been training at this gym since 2025. Jiu jitsu is a challenging sport and…read moreI think it is good to have my child in something that challenges them daily. After being on the sidelines for about two months watching him practice, I decided that it would be good for me to join as well for my own well-being but also for a way to bond and connect with my son. I've been training since June 2025. The friends I've made since joining the gym have been amazing. Once you get yourself established, you will be amazed about the community of people. People from all walks of life train at this gym. It is friendly. It feels safe. It's clean, which is important, and it's just a great time. Even after an hour and a half of getting smashed, I get my car with a smile on my face Looking forward to going to class in the next day. I certainly suggest anyone who's interested in the sport of Jiu Jitsu give this gym a try.

They were previously called Sector Jiu Jitsu, but made a name change. Everyone at this place is…read moresuper friendly and very helpful. My daughter came from a different academy and switched here a few months ago, and I can definitely see the improvement in her abilities! And for the parents with kids in charter school, they do take charter funds! Definitely check them out!

This gym welcomed me with open arms !! All coaches and…read moremembers are friendly and easy to get along with and always trying to help each other out. The kids class is amazing !! Really fun !

Whether you're looking to compete, get in shape, learn self-defense, or just find a great…read morecommunity, Acima Jiu Jitsu is the place to be. Awesome youth program. Highly recommend!!

Matt has a great place to train here and it's the coolest gym I've ever been to in terms of…read moreequipment and ambiance. MMA and weightlifting and racquetball and even fencing

My family has been part of this gym for the past three years. My wife does the morning kickboxing…read moreclass and we all participate in Jiu-Jitsu during the evening classes. We've competed and have had great results. This isn't your typical gym it's more of a family/community of like minded individuals coming together to make each other better. Stop by and get some reps in.

My son has been a student here for several years. I am thoroughly impressed with the professor. He…read morehandles the kids with respect and he demands respect in return. My son started here with zero experience and he was very uncoordinated. He has transformed into a great athlete and is very confident in his skills. I am thoroughly satisfied.

My son had been looking to get back into martial arts so we checked out this place since it's…read morearound the corner from us. The owner is incredibly nice and honest! Our son has been coming here for 3 months now and loves it so much. He looks forward to going everyday and has met some great friends. Highly recommend!!

Our family loves Crown. So many class times for kids, amazing professor and coaches who know how to…read morework with kids of all ages, skills, and developmental stages. The environment at Crown is so welcoming and family oriented. Our son loves coming to class where he is challenged daily, learns new skills, builds stamina, and sees the fruits of hard work and discipline. We are truly thankful to have found this gem in Corona!

This place has been a true blessing for my 10 year old son. We've been here for a year and a half…read morenow, and the mental and physical growth my son has experienced is something I couldn't be more proud of. We come 4-5 days a week, religiously. Wrestling, kickboxing, gi and No-gi jiu jitsu, and judo...take one class or take them all. It's up to you. It's a great mix up of martial arts.

I've been training Muay Thai at USKO Riverside for almost two years. This studio is run by the…read morePagliuso family where Joey fought in Kickboxing and some Muay Thai. The evening classes that I attend are taught by lead instructor, Ray. Although I only train in Muay Thai, Brazilian Jiu Jitsu and Karate classes are also offered here. Onsite gym access is also offered with Gold membership and access to the Orange facility is also offered with the Gold membership. Muay Thai practices typically consist of a warm-up such as jump rope or jumping with conditioning drills in-between, shadow boxing, learning technique by hitting pads, bag drills with punches and kicks and sparring at the last 15 minutes of practice. The workout is great for me as I'm in my 50's and I don't have any aspirations to compete. I attend 2 - 3 times a week, evenings during the week and sometimes Saturday morning. It would be tough to get that high intensity workout by just going to a gym. The staff is is friendly and helpful. My only opportunities for improvement are more clinch training is needed on Monday or Fridays and the mats could be cleaned more frequently. Four stars!

My 6-year-old ended up with ringworm 2 TIMES after attending class, I'm extremely disappointed with…read morethe cleanliness of the facility. This is a kids' program where children are rolling around on the mats all day, sweating and making constant skin-to-skin contact. Hygiene should be an absolute priority. Simply giving the mats a quick wipe with a soft cloth is not enough. Mats need to be properly cleaned and disinfected regularly with products and procedures designed to prevent the spread of things like ringworm and other skin infections. After this experience, I seriously question their sanitation practices. When parents trust you with their children, providing a clean and sanitary training environment should be the bare minimum. I would strongly recommend parents pay attention to the condition of the mats and ask about their cleaning procedures before enrolling their kids.