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Eddie Alvarez's Underground Kings
4.6 ★★★★★ 29 Google reviews · Muay thai gym in Newtown, Pennsylvania
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
- Drop-ins drop-ins run around $35 — many gyms also offer monthly memberships and a discounted first session, 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 muay thai 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
- Fight team a competition team for members who want to test themselves as amateur fighters
- 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
“This gym offers something exceptional for everyone — from complete beginners to professional athletes.”
“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!”
“His one-on-one sessions are also incredible for anyone looking to refine their skills, strengthen weaknesses, and sharpen their overall striking game.”
“As a fighter who’s been training my entire life, I’ve finally found a place where I can truly grow and learn.”
“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.”
Other martial arts here
“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.”
“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.”
“Unlimited classes in BJJ, boxing, kickboxing, mma, as well as a weight room for supplemental training at a price I consider great value.”
“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
“I'm learning bjj and the coaches are great and are willing to help with any question or confusion that we may have.”
“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.”
“Training alongside high-level combat athletes, former champions, and legends like Eddie Alvarez makes every session a unique and inspiring experience.”
“You’ll not only get an amazing workout but also learn the finer details of the sweet science.”
“As a fighter who’s been training my entire life, I’ve finally found a place where I can truly grow and learn.”
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 muay thai? 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 thrown a punch or a kick, 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 to start — you get in shape by training, not before it, and coaches scale the conditioning to you. Second, you won't be thrown into sparring — reputable gyms build fundamentals (stance, footwork, and the basic strikes of the "art of eight limbs") for weeks before any contact, and sparring stays optional. 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. Most gyms are happy to let you watch or try a class first, so reach out before you commit.
Your first muay thai class at Eddie Alvarez's Underground Kings
Nervous about walking into a muay thai 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 on pads and bags — not fighting. Rest whenever you need to; no one will bat an eye. What to wear: shorts or athletic wear and a t-shirt; you'll train barefoot on the mats. What to bring: water and hand wraps if you have them — many gyms lend gloves for a first class, so it's worth asking when you call. As you keep training you'll add your own gloves, wraps, a mouthguard, and shin guards. Sparring is optional and comes later, 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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🥊 Free trial class — check their site