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Eddie Alvarez's Underground Kings
4.6 ★★★★★ 29 Google reviews · BJJ gym in Newtown, Pennsylvania
Affiliated academy — reviews and the gym's own info point to a recognized BJJ lineage or affiliation (think Gracie Barra, 10th Planet, Renzo Gracie, Alliance, Atos or Checkmat). If lineage matters to you, ask which affiliation the academy belongs to and under whom the head instructor earned their black belt.
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
- Membership memberships run around $35/mo — many academies also offer a discounted first month and family plans, so ask about new-member rates
- Beginner-friendly all levels welcome, including total beginners — you don't need to be fit or have any experience to start
- Kids & youth classes kids and youth BJJ classes (ages 5) — built around discipline, focus, and confidence
- Private lessons private, one-on-one coaching available — a focused way to start or to work around a busy schedule; ask about availability and rates
- Open mat open-mat rolling sessions for members to practice live — always optional and at your own pace
- Competition team a competition team for members who want to test themselves at tournaments
- Today see hours ·
- Website & schedule newtownpi.com — book classes and see the live schedule
- Phone +1 215-944-8122
Hours
| Monday | 11 am–9 pm |
| Tuesday | 9 am–9 pm |
| Wednesday | 10 am–9 pm |
| Thursday | 9 am–9 pm |
| Friday | 11 am–8 pm |
| Saturday | 8 am–1:30 pm |
| Sunday | 9 am–1:30 pm |
The classes they run
“My two kids (6 and 11) go to Underground Kings 5 days out of the week for both Jiu Jitsu and boxing, and they absolutely love it!”
“Even when my kids were at other schools, if I needed a coach for a tournament?”
“His one-on-one sessions are also incredible for anyone looking to refine their skills, strengthen weaknesses, and sharpen their overall striking game.”
“If you want to take your BJJ and self-defense to the next level, train with Leandro — you’ll absolutely grow as a martial artist and as a person.”
“This gym offers something exceptional for everyone — from complete beginners to professional athletes.”
Other martial arts here
“Muay Thai: Coach Yohannes runs awesome Muay Thai classes that focus on precision, form, and practical technique.”
“Unlimited classes in BJJ, boxing, kickboxing, mma, as well as a weight room for supplemental training at a price I consider great value.”
“Unlimited classes in BJJ, boxing, kickboxing, mma, as well as a weight room for supplemental training at a price I consider great value.”
“They have elite level black belts teaching jiu jitsu, seasoned kickboxing coaches who have done it all, and did I mention Eddie Alvarez personally teaching MMA classes.”
“From BJJ to Boxing, Muay Thai, Sambo, Wrestling, and elite-level performance training, this gym has everything a martial artist could ask for.”
What members say
“Elite coaches, high level training, and an awesome atmosphere!”
“This gym offers something exceptional for everyone — from complete beginners to professional athletes.”
“The gym is super clean, the community is super supportive, and every workout leaves you feeling stronger mentally and physically.”
“Coach Leandro would always be there and helping around everyone to get the techniche right, also explaining different details and importances in this martial art.”
“You’ll not only get an amazing workout but also learn the finer details of the sweet science.”
“Even when my kids were at other schools, if I needed a coach for a tournament?”
From the reviews
I drive 75 minutes each way to NPI 3X per week SPECIFICALLY so my twin 13 year olds can train under Professor Leandro Hernandez. My kids have been training 7 years. They started with Leandro & after trying several schools? We always end up back with Leandro.
As a fighter who’s been training my entire life, I’ve finally found a place where I can truly grow and learn. Being coached by someone who’s experienced every high and low and reached the top of nearly every organization has given me real confidence that I’m being guided down the right path, not only as an athlete but…
I have been training at this facility for about 3 months now. I am new to martial arts and to be honest I was a little bit intimidated to sign up. The coaches here have made me feel comfortable and they take the time to explain all my questions. I take the BJJ and Boxing classes.
One of the best gyms my children and I have ever trained at. Great facility and undisputed world class instructors
New to BJJ? Start at Eddie Alvarez's Underground Kings
Eddie Alvarez's Underground Kings comes up as a beginner-friendly gym, going by their listing and members’ reviews. If you've never rolled or set foot on a mat, that's exactly who a good beginners program is for. A few things worth knowing before your first week. First, you don't need to be fit or flexible to start — you get in shape by training, not before it, and coaches scale the intensity to you. Second, you won't be thrown into hard rolling — reputable gyms build fundamentals (positions, escapes, and basic submissions) for weeks, live rolling eases in gradually, and tapping early keeps every roll safe. Third, all 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, and leave your ego at the door. Most gyms are happy to let you watch or try a class first, so reach out before you commit.
Your first BJJ class at Eddie Alvarez's Underground Kings
Nervous about walking into a BJJ 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 basic positions and escapes with a partner — not hard sparring. Rest whenever you need to; no one will bat an eye. What to wear: athletic wear you can move in (or a gi if you have one); you'll train barefoot on the mats. What to bring: water and a mouthguard if you have one — many gyms lend a loaner gi for a first class, so it's worth asking when you call. As you keep training you'll add your own gi (or a rashguard and shorts for no-gi) and a mouthguard. Live rolling eases in gradually, once your fundamentals 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.
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