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Define Fitness Studio

5 ★★★★★ 57 Google reviews · Barre studio in Jacksonville Beach, Florida

ClassPass

Fitness studio offering a variety of classes, including barre, Pilates, yoga, and indoor cycling.

Plan your first class

  • ClassPass classes are bookable on ClassPass — an easy way to try the studio before committing
  • Today see hours ·
  • Phone +1 904-625-2403
  • Website & schedule jaxdefine.com — book classes and see the live schedule

Hours

Monday 6 am–7 pm
Tuesday 6 am–7 pm
Wednesday 6 am–7 pm
Thursday 6 am–7 pm
Friday 6 am–7 pm
Saturday 8:30 am–12 pm
Sunday 8–11 am

Hours shift for holidays, workshops, and class schedules — worth a quick check before a special trip.

The classes they teach

Barre formats on the schedule at Define Fitness Studio, confirmed in members' own reviews and the studio's own info — not guessed from the sign out front.

🩰 Classic Barre 2 mentions

“SoulCycle, PureBarre, Barre3, CycleBar, Equinox, CORE40, EXOS, TYLT Cycle, Flywheel.”

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🛗 Reformer Barre

“Great Lagree class with Angelina!”

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What's on offer

Amenities members name in their reviews of Define Fitness Studio — the fastest way to tell what to expect before you book your first class.

🚿 Showers 2 mentions

“Plus the studio space is clean, contemporary and has showers with all the amenities AND CHILDCARE.”

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🛗 Reformers

“Great Lagree class with Angelina!”

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👶 Childcare

“Plus the studio space is clean, contemporary and has showers with all the amenities AND CHILDCARE.”

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🛍️ Retail Boutique

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📲 ClassPass

“I’m so grateful that I was able to try this class on ClassPass and I will definitely be returning in the future!”

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🤝 Community Events

“I’ve been a member for months now and the classes are still a challenge!”

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Amenities are mined from reviews and the studio's own info — they tell you what members have experienced, not a formal guarantee. If something is a dealbreaker (childcare hours, grip socks, showers), confirm it with the studio before you go.

What members say again and again

The things reviewers bring up again and again across 57 Google reviews — with their own words as proof.

🧼 clean & well-kept 10 mentions

“I really enjoy working out here - it's clean, with well maintained equipment that's not ratty or old, and I feel like I get a good workout!”

🧑‍🏫 amazing instructors 7 mentions

“Doris is an amazing instructor who always has a killer workout planned and pushes you beyond where you thought you could go.”

🔥 great full-body burn 5 mentions

“I really enjoy working out here - it's clean, with well maintained equipment that's not ratty or old, and I feel like I get a good workout!”

🤝 strong community vibe 5 mentions

“The instructors have great energy and the front desk staff is soooo friendly!”

💪 good results & toning 2 mentions

“throughout the class, she went around and help us with our posture and positioning.”

From the reviews

The teachers are top notch. The facility is clean and well designed. The bounce class is my favorite. It's high intensity interval training at its absolute finest. I go three to four times a week and wish I could go more often. I'm down 15+ lbs (some of that eating related) and I'm feeling great!

★★★★★ — Caitlin, Oct 2018

I love love love Define. I started going around this time last year and I was definitely struggling with anxiety. Define could turn my day around ALWAYS. Something about the teachers positive attitudes and challenging yet fun workouts is an escape for me. It’s always the highlight of my day!

★★★★★ — Michaela, Oct 2020

Define is what fitness should be. A warm and welcoming atmosphere that pushes you to do your best. It is super clean and for all fitness levels. Doris is an amazing instructor who always has a killer workout planned and pushes you beyond where you thought you could go. I look forward to every single class!

★★★★★ — Melissa, Oct 2019

I started going to DEFINE in Jacksonville a few weeks ago, and I love it! Everyone is so friendly and inviting. I've enjoyed all of the classes that I have taken. The instructors really make you feel welcome. The classes are fun and motivating. I especially love Stephanie's cycle classes. :)

★★★★★ — Sarah, Nov 2020

Excerpts from public Google reviews. Read all 57 reviews →

Your first barre class at Define Fitness Studio

New to barre? Almost everyone is their first time, and a good studio expects beginners to walk in the door. Here's what to know. What to expect: barre blends small isometric holds and tiny pulses at a ballet barre with light weights and mat work — it's low-impact and joint-friendly, but it works muscles you didn't know you had, so a little shaking in your legs is the point, not a problem. Rest whenever you need to; no one will bat an eye. What to wear: fitted leggings and a top you can move in — nothing baggy, so the instructor can see your form. Grip socks: most barre studios require grip socks — bring a pair or check whether they sell them at the front desk; the grippy soles keep you steady during the pulses. What to bring: water and a small towel. Arrive 10–15 minutes early to sign in and meet your instructor. It clicks fast — most people say their third class feels completely different from their first.

Barre is low-impact, so it suits most bodies and fitness levels — but if you're pregnant or working around an injury, check with a doctor and let your instructor know so they can offer modifications.

Where to find Define Fitness Studio

2280 3rd St S, Jacksonville Beach, FL32250

Get directions Instagram

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✨ Free first 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 studio? Claim your listing — it's free.