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Cornerstone Martial Arts

5 ★★★★★ 24 Google reviews · Kickboxing gym in Hockessin, Delaware

Kickboxing gym Kids & teens Cardio kickboxing Affiliated

Affiliated gym — reviews and the gym's own info suggest it belongs to a known kickboxing or boxing-fitness franchise or network (think 9Round, iLoveKickboxing, CKO, TITLE Boxing Club or Jabz). Franchise gyms run a consistent class format and are often a friendly, familiar place to start. If a specific brand matters to you, confirm it on the gym's own site.

Plan your first class

  • Cardio kickboxing classes high-energy cardio kickboxing on the bags and pads — a fun, sweaty workout built for fitness and weight loss, at your own pace
  • Kids & teen classes kids and teen kickboxing classes — built around confidence, focus, and fun
  • Today see hours ·
  • Website & schedule cornerstonehockessin.com — book classes and see the live schedule
  • Phone +1 302-234-1966

Hours

Monday 4:30–8 pm
Tuesday 4:30–8 pm
Wednesday 4:30–8 pm
Thursday 4:30–8 pm
Friday 4:30–8 pm
Saturday 9–11 am
Sunday Closed

Hours shift for holidays and class-schedule changes — worth a quick check before a special trip.

The classes they run

Kickboxing classes on the schedule at Cornerstone Martial Arts, confirmed in members' own reviews and the gym's own info — not guessed from the sign out front.

🔥 Cardio Kickboxing 6 mentions

“Their kickboxing classes are absolutely incredible and the best workout I've ever experienced!”

All gyms that run cardio kickboxing →

🧒 Kids Kickboxing 14 mentions

“He chose the Jedi theme so after running an obstacle course and learning some basic karate, the kids learned some Jedi moves with lightsabers.”

All gyms that run kids kickboxing →

Other martial arts here

Kickboxing gyms are usually multi-discipline. Here's what else members mention training under the same roof at Cornerstone Martial Arts — mined from their reviews and the gym's own info.

🥋 Karate 5 mentions

“He chose the Jedi theme so after running an obstacle course and learning some basic karate, the kids learned some Jedi moves with lightsabers.”

Other gyms that also teach karate →

Disciplines are mined from reviews and the gym's own info — they show what members have trained, not a formal class guarantee. If you specifically want muay thai, boxing, or MMA alongside your kickboxing, confirm the current schedule with the gym.

What members say

The things reviewers bring up again and again across 24 Google reviews — in their own words.

🧑‍🏫 expert, motivating coaching 2 mentions

“All 3 of my boys have spent so many wonderful moments with the amazing instructors and staff.”

🎉 fun, high-energy classes 2 mentions

“If you want a great workout, and feel great afterwards!”

💦 killer cardio workout 3 mentions

“Their kickboxing classes are absolutely incredible and the best workout I've ever experienced!”

⚖️ great for weight loss 2 mentions

“Just got the results from annual physical: reduced cholesterol, lowered blood pressure, less body fat percentage.”

💗 welcoming to women 2 mentions

“All 3 of my boys have spent so many wonderful moments with the amazing instructors and staff.”

🧠 builds confidence & relieves stress 4 mentions

“It is a fun workout and a great way to relieve stress.”

From the reviews

This is the place to be. Want your kids to learn and have fun? This is the place. Want to give them focus and confidence? This is the place. Want to give them an opportunity to truly push themselves to places they didn’t think they could reach? This is the place to go.

★★★★★ — Eric, Oct 2025

Master Kloss has been a friend and teacher for well over 25 years - he has been patient and kind and a great help - both my son and I have studied with him for many years - a great instructor with a solid curriculum teaching drawing from mamny different styles - more than just punching and kicking he also teaches…

★★★★★ — Douglas, Oct 2025

We hosted our son’s fifth birthday party at Cornerstone. He chose the Jedi theme so after running an obstacle course and learning some basic karate, the kids learned some Jedi moves with lightsabers. Max, the instructor, was kind, well organized, and kept the kids under control.

★★★★★ — Melissa, Mar 2019

I am currently a brown belt here. The instructors are very kind and know how to interact with kids. I have lots of fun here! Totally recommend this place for any kid interested.

★★★★★ — Lily, Mar 2019

Excerpts from public Google reviews. Read all 24 reviews →

Your first kickboxing class at Cornerstone Martial Arts

Nervous about walking into a kickboxing 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 — stance, footwork, and punches and kicks on pads or a heavy bag — not hard sparring. Go at your own pace and rest whenever you need to; no one will bat an eye. What to wear: comfortable athletic clothes you can move and sweat in, and supportive trainers. What to bring: water, and hand wraps and gloves if you have them — many gyms lend loaner gloves for a first class, so it's worth asking when you call. As you keep training you'll add your own gloves and wraps (and shin guards once you start sparring). Sparring is optional and eases in gradually, once your basics 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.

Kickboxing is a contact sport. Warm up, pace yourself, listen to your coaches, and if you have any injuries or health concerns, mention them before class and check with a doctor if you're unsure.

Where to find Cornerstone Martial Arts

206 Lantana Dr, Hockessin, DE19707

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Listing verified July 2026 from public business records and member reviews. Something out of date? Report a correction. Own this gym? Claim your listing — it's free.