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Keys Fitness and Jiu Jitsu

4.2 ★★★★☆ 18 Google reviews · BJJ gym in Big Pine Key, Florida

BJJ gym Kids & teens No-gi

Plan your first class

  • Kids & youth classes kids and youth BJJ classes — built around discipline, focus, and confidence
  • No-gi no-gi grappling classes — training in a rashguard and shorts, with faster scrambles and a natural bridge to MMA
  • Open mat open-mat rolling sessions for members to practice live — always optional and at your own pace
  • Today see hours ·
  • Website & schedule kfbjj.com — book classes and see the live schedule
  • Phone +1 305-367-1956

Hours

Monday Open 24 hours
Tuesday Open 24 hours
Wednesday Open 24 hours
Thursday Open 24 hours
Friday Open 24 hours
Saturday Open 24 hours
Sunday Open 24 hours

Hours shift for holidays, seminars, and open-gym times — worth a quick check before a special trip.

The classes they run

BJJ classes on the schedule at Keys Fitness and Jiu Jitsu, confirmed in members' own reviews and the gym's own info — not guessed from the sign out front.

🩳 No-Gi

“I worked out there for 3 days in Brazilian Jiu Jitsu and Grappling classes.”

All gyms that run no-gi →

🔓 Open Mat

“Stopped in for an open mat while on vacation in the keys, everyone was very welcoming with high level instructors and students.”

All gyms that run open mat →

What members say

The things reviewers bring up again and again across 18 Google reviews — in their own words.

📘 strong technique & fundamentals 2 mentions

“He teach you many important details about every technique.”

From the reviews

Great instruction, team, and culture. I dropped in as a visitor to train BJJ and was welcomed with open arms. Highly recommend.

★★★★★ — Jeremy, Oct 2023

No longer "fight sports", but still a BJJ gym. Mat area inside a regular gym with weights and machines, lots of black belts who are always willing to teach, and a ton of great regulars and visitors to roll with. I really dislike driving, but these guys make the hour-long drive for me totally worth it.

★★★★★ — James, Jul 2022

Awesome gym! Stopped in for an open mat while on vacation in the keys, everyone was very welcoming with high level instructors and students. Highly recommend checking out if you’re in the area! Thank you for letting me stop in!

★★★★★ — Luciano, Jul 2024

I worked out there for 3 days in Brazilian Jiu Jitsu and Grappling classes. I really liked the teacher Justin and everyone of his students. He teach you many important details about every technique. I suggest you to join them!

★★★★★ — Danilo, Aug 2015

Excerpts from public Google reviews. Read all 18 reviews →

Your first BJJ class at Keys Fitness and Jiu Jitsu

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.

BJJ is a contact sport. Ease in, tap early and often, 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 Keys Fitness and Jiu Jitsu

251 Key Deer Blvd, Big Pine Key, FL33043

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🥋 Free trial / intro class — check their site

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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.