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    Sektor Jiu-jitsu

    5.0 (109 reviews)
    Closed 6:00 am - 7:00 AM, 10:30 AM - 12:00 pm, 4:30 PM - 8:00 PM
    Updated 2 months ago

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    Jerry S.

    Sektor (HQ) has So many amazing talented, jujitsu artists there is so much to learn, Sean Robert's and his staff are amazing you will learn self discipline and the mindset that will acquire you to be the best version of yourself, not only do they have amazing people to learn from but the facility it's self is huge with dressing rooms and showers that are very sanitary and well-kept as for me and my family we love how sektor treats us and shows us so much love go check them out. It will change your life. For further inquiries. Please contact Laura Roberts.

    Tina O.

    My daughters have been training at Sektor for a year now and I'm so happy with the growth I've seen in both of them. Their maturity, discipline, and confidence have soared since starting at Sektor. Kids classes are split by levels (beginner and intermediate/advanced) with a black belt as the main instructor for each group. There are also plenty of assistant coaches helping each group on any given day. No matter who is on the mat, one thing is for sure, all of the coaches show how much they care about the kids' progress and safety every single day. The gym itself is a spacious and clean environment with plenty of mat space, changing rooms, and showers for students. As a parent, I personally appreciate having bleachers and AC available while my kids are on the mat. If your kids are looking to go the competition route, you can rest assured that you aren't in this alone. Sektor coaches are there for the kids at every competition. Their teammates are there to help them warm up and cheer on the side lines for them. Parents are there beside you cheering your kids on like they're their own. And the genuine happiness we share in their victory is unreal. The gym, coaches, and Sektor team are amazing but what I think really what sets Sektor apart is the community they've created for families. When you go to Sektor you are family!

    First Worlds Competition after 3 months at Sektor and WON Gold!!
    Joshua E.

    I enrolled my 3 children into Sektor-Chino about 3 months ago. They came in as grey belts ages 6,8, and 10. Immediately when you walk in you can't help but to notice the HUGE and spacious mat they have and the tiered bleachers they have for the parents to sit and watch their kids. The classes are taught by either Sean or Nolan who are both black belts and VERY well knowledgeable in their craft, all awhile detailing the specifics down to where the kids understand. They show TONS of patience and care toward the children. Lastly, my kids first 2 years of jiu jitsu was taught at Alliance. They had a really Awesome professor (Mayra) then things fell apart with the gym unfortunately. My kids arrived at Sektor-Chino and were in for a reality check. The skill level Sektor's professors have their kids at is beyond anything I have seen. But the past 3 months I have seen major improvements in ALL 3 of my kids, mostly my 6 year old. I credit it to Sean and the other professors on the spot corrections during drilling and sparing and the skill level he has all the other kids my kids drill or spare with. They're confidence has grown tremendously inside and outside of the gym. I would recommend this specific facility for multiple reason: cleanliness, huge mats, friendly staff and professors, competition ready teaching, adequate professor to kid ratio, great timeframe for kids class, weekend classes, affordable prices, and a SAFE environment

    We've been attending the Jiu-Jitsu class for two months. And i think my kids learned a lot. The coaches are skilled and knowledgeable and also incredibly supportive.

    Sektor Jiu Jitsu in Chino (HQ) is amazing! The facility is huge and clean. Sean is an amazing instructor and competitor. He's an absolute legend! He's dedication to his students has really paid off, developing truly world class grapplers! He has so much experience in competition, coaching, and running a great business. It's an honor to learn from him anytime I visit. He also employs other top notch talent. Give them a try, you will not be disappointed.

    Been at Sektor Chino for approximately 3 months now, I have 2 daughters aged 6 & 8 that are currently enrolled. Both have improved by leaps and bounds since starting here and have made many friends already. Coach Sean and Nolan are fantastic with the kids and their attention to detail is awesome. Many times the practices are tailored to deficiencies that the coaches pick up on during tournament matches or sparring sessions and directly help in patching holes that exist in the students' game. Anything determined to be "unsafe" or any injury that occurs on the mat is addressed immediately and recommendations and direct feedback is given by instructors to the entire class on how to perform said maneuver to keep all involved safe. Would highly recommend if you want a spacious, clean and safe facility with staff that cares and is interested in how your kids perform.

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    Been training here for years. Great childrens and adults program. Great for competitors as well as hobbyist looking to improve their skills.

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    2 years ago

    Sektor Jiu jitsu is agreat family friendly academy that builds amazing competitors. One of the best in the area with great instructors.

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    Page 1 of 3

    Ask the Community - Sektor Jiu-jitsu

    Review Highlights - Sektor Jiu-jitsu

    Black belts Gabriel Costa and Sean Roberts are not only skilled BJJ practitioners but incredible instructors.

    Mentioned in 13 reviews

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    Millennia MMA

    Millennia MMA

    4.5(49 reviews)
    0.5 mi

    A Great Experience for Absolute Beginners…read more As someone with absolutely no experience in martial arts, I was initially very nervous about joining, but my experience has been fantastic! I've taken five fundamental classes so far: 4 MMA classes 1 Jiu-Jitsu class 1 Kickboxing Cardio class Why I Recommend It: Well-Organized Curriculum The curriculum is structured in a way that's perfect for beginners. Each class builds on the basics, making it easy to follow along and feel confident even if you've never stepped foot in a martial arts gym before. Supportive Coaches The coaches are incredibly skilled at teaching newcomers. They break things down clearly and provide personal attention to make sure everyone is comfortable. It's clear that they're passionate about helping people learn, regardless of experience level. Friendly & Welcoming Environment From the coaches to the other students, the gym creates a warm and supportive atmosphere. Everyone is kind and encouraging, which made it easy for me to feel at ease and motivated. Concerns Before Joining & How They Were Addressed: No Experience & Adapting to the New Environment I was nervous about fitting in, but the well-organized curriculum and the coaches' experience with beginners helped me adjust quickly. The environment is friendly, and everyone is willing to help out! Concerns About Smells As someone who's sensitive to smells, I was a little worried about the cleanliness of the gym. But I was pleasantly surprised to find that they clean thoroughly between classes, so there's no need to worry about unpleasant odors. Free trial link https://www.millenniamma.com/divider-2 Schedule link https://www.millenniamma.com/schedule-locations

    I trained at Millennia for a little under a year, and would definitely recommend it for any child,…read moreteen, or adult who is looking to get into striking or grappling. There are two locations: the main HQ in Rancho Cucamonga, and Chino (which is where I trained). Both locations hold the following classes: -Kids BJJ -Kids Pankration -Striking Fundamentals -BJJ Fundamentals -Advanced Striking -Advanced BJJ (Gi and Nogi) -Wrestling -Cardio Kickboxing Classes are offered almost everyday in both the morning and evening. Instructors are very supportive, knowledgeable, and patient with all students willing to learn and put in the work. I originally joined with an intent of doing both striking and BJJ, but after just 3 months, I fell in love with BJJ that I decided to train BJJ exclusively. Training partners are also very supportive and contribute to the gym's strong and positive culture. I only left because I found a different gym that is closer to where I live with class times that work better with my schedule, but still cannot recommend this place enough. I'm really amazed at how much I learned in the 10 months or so that I was with the gym. Your first class is free, give it a try!

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    Millennia MMA
    Millennia MMA
    Millennia MMA

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    Gracie Jiu Jitsu, Rancho Cucamonga

    Gracie Jiu Jitsu, Rancho Cucamonga

    4.8(51 reviews)
    7.5 mi

    We're new to the jiu jitsu community and started here about 4 months ago. This gym has been very…read morewelcoming and has provided a fantastic learning environment to its students that range from white belt to black. The classes are full enough that there's always a partner for everybody but small enough that every student gets some individual attention. The three main instructors are well practiced in their craft and present it in a way that's easy to digest and learn. If you're looking to join a combat sport, want to get in shape or you're just curious about jiu jitsu, this is a great place to start.

    This location is owned by the same owners as GB Upland. If your goal is just to do jiu-jitsu for…read morefitness, this school may work fine. The main issue is the curriculum. It's very basic, standardized, and repeated year-round. This appears intentional. Regular classes teach only the minimum, while techniques outside the posted curriculum are pushed into paid private lessons. Because of this, most students are trained as hobbyists. Extra instruction or advanced opportunities often depend on personal relationships rather than a structured development path. The curriculum is designed for retention, not depth, and this model is consistent across Gracie Barra schools. The gap becomes clear when students compete or train outside the Gracie Barra environment. While internal GB tournaments create an even playing field, they can give a false sense of progress. When students compete outside of GB or train at another academy against the same rank the difference in technical depth, adaptability, and exposure is often very noticeable. Even the instructors don't train the same curriculum as regular students, which speaks to how limited it is. Compared to other academies that teach more as part of regular training (without extra fees), this approach leaves students less prepared overall.

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    Gracie Jiu Jitsu, Rancho Cucamonga - With coach Jason!

    With coach Jason!

    Gracie Jiu Jitsu, Rancho Cucamonga - 9am class

    9am class

    Gracie Jiu Jitsu, Rancho Cucamonga - Ryron Gracie and Javier Vazquez after a Jiu Jitsu Seminar at Gracie Jiu Jitsu Rancho.

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    Ryron Gracie and Javier Vazquez after a Jiu Jitsu Seminar at Gracie Jiu Jitsu Rancho.

    JV Jiu Jitsu Academy

    JV Jiu Jitsu Academy

    5.0(22 reviews)
    6.9 mi

    I am a newer member to Javi's gym (November, 2019), but not to jiujitsu or martial arts. I have had…read morethe privilege to learn and train under world class instructors, which is the reason I sought out Javi in the first place, as his lineage, fighting experience, personality, and teaching style, exhibit the marks of such instruction. His brand of "Strike-Based" Jiujitsu, by name alone drew me to seek him out over all other jiujitsu schools in the Inland Empire, as it emphasizes that jiujitsu is first and formost a Self-Defense art. With respect to his academy, I am pleased that there is a respectful attitude amongst his students exhibited to eachother and extended to new sign-ups like myself, there are virtually no ego's displayed or felt during live rolls, and the mats and facilities are up kept and cleaned daily. I am excited to see how my growth in jiujitsu under Javi's instruction will blossom, and although I am relatively still new to his academy, based on what I have experienced and observed thus far, I recommend his academy to anyone looking to learn, develope, and expand their knowledge of Self-Defense offered through his jiujitsu instruction.

    Been training here for a month now and love it. Professor Javier is a great instructor and the…read moretraining is practical and relevant for self defense and sports BJJ. The BJJ instruction ties in well with striking and teaches you how to apply BJJ techniques in an environment where punches are being thrown. Everyone here is chill and it has a great vibe. Would definitely recommend.

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    JV Jiu Jitsu Academy - The Big Tuna is back on the mat!!

    The Big Tuna is back on the mat!!

    JV Jiu Jitsu Academy
    JV Jiu Jitsu Academy

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    Sektor Jiu-jitsu - brazilianjiujitsu - Updated May 2026

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