Best Fun & Addictive Fitness Classes in Orange County

4.9
93,617 reviews

MOXI3 is Orange County's premier wellness hub — cycling, group fitness, and personal training under one roof in Costa Mesa, with instructors who members describe as so fun and energetic that they make you feel personally invested in your ride. The studio's 45-minute high-intensity classes run daily and are led by instructors who know how to push the room while keeping the class genuinely enjoyable. With over 93,000 reviews and the highest total review count in this ranking, MOXI3 has earned its reputation as the OC standard for boutique cycling and fitness.

Individual instructors at MOXI3 have developed cult-like followings among the Costa Mesa fitness community, with members describing specific coaches as incredible, personable, and the primary reason they keep showing up for 7am classes. For OC members who want cycling that takes both the effort and the experience seriously, MOXI3 is the clear benchmark.

"[Instructor] is so fun and energetic! He is personable and takes time to know everyone's names. The actual class itself was killer! Loved it."

"I really enjoyed [Instructor]'s class! Loved her positive energy and song choices. She broke down the choreo to make it easy to follow along during the ride. I highly recommend taking her class if you want a great cycling workout!"

"I loved [Instructor]'s class — she was very energetic and positive. The class was an amazing workout!!"

4.8
36,115 reviews

Breeze Lagree in Costa Mesa runs all-levels Megaformer classes designed to challenge the entire body in 45 minutes of high-intensity, low-impact work — a format that leaves members toned, sore, and wanting more, exactly as the studio promises. Instructors here are praised for spicy playlists that keep the class pumped, attentive form checks that ensure the method actually works, and an energy that makes even the most difficult movement sequences feel like something members choose to push through rather than endure.

Individual instructors at Breeze Lagree have developed their own followings among OC's Lagree community, with members adding new favourite instructors to their booking lists after every class they try. For Costa Mesa and greater OC members who want Lagree that is both physically serious and genuinely enjoyable, Breeze delivers that combination reliably.

"I've been practising Lagree for 3+ years now and this morning's class was one of my favourite classes! Adding [Instructor] as a new favourite instructor of mine — her playlist, her energy, and her routine were all 10000/10."

"[Instructor] slays every time. KILLER workout and fire playlist — always so motivating!!!"

"Loved [Instructor]'s class!! She is so sweet and her class is challenging but in a good way! Not to mention she has such a fire playlist that keeps you pumped. Will continue to keep going back to her classes."

4.8
31,160 reviews

Studio X Costa Mesa runs classical Pilates with a contemporary edge on Allegro 2 reformers, with a non-traditional class flow and dope house music that create a mind-body connection members describe as unlike anything available at other OC reformer studios. Instructors demonstrate exercises on the reformer alongside verbal cues, providing clear visual guidance that makes corrections land in real time. The studio's approach appeals to both Pilates newcomers and experienced practitioners who want an instruction style that respects the method while keeping sessions energetic.

Members who find Studio X Costa Mesa tend to stay, with multiple instructors developing their own loyal followings across a community that has produced over 31,000 reviews from members who keep booking back. For OC members who want classical Pilates at its most dynamic and enjoyable, this location is the standard-setter.

"Amazing class! [Instructor]'s cues are detailed and she demonstrates the exercises on the reformer so there's always a good visual. Always enjoy taking a class from her!"

"First time taking a Pilates class and loved it! [Instructor] was attentive and would correct my form whenever I needed. I felt very welcome at this studio and will definitely be coming back again!"

"She is amazing — my favourite instructor."

4.9
17,248 reviews

Full Psycle in Santa Ana is Orange County's original full-body cycling studio — a format that adds upper body strength training with hand weights and Pilates-based core work to standard cycling, creating a complete workout that members describe as the most efficient, effective, intense, and exciting full-body workout available. The ASYLUM studio's concert-level sound and lighting, stadium seating, and optional performance tracking create an experience that has kept South Coast Metro members coming back since the studio opened.

Instructors at Full Psycle have developed OC's most enthusiastic cycling followings — members describe specific teachers as always bringing the fun and good vibes, and describe rides with certain instructors as their favourite class in the city. For OC members who want cycling that is also a full-body workout and a genuine event, Full Psycle is the format that delivers all three simultaneously.

"[Instructor]'s the best! She always mixes up the music and choreography so it never gets boring. Always a good time and she's very motivating."

"I always invite friends to cycle on Sunday morning with [Instructor]! All my friends have agreed that she is so much fun! Amazing energy, very clear instruction, great music, and it's just a good time."

"[Instructor] is always bringing the fun and good vibes!"

4.9
49,094 reviews

Motion Fitness Group in Laguna Hills believes that your workout should be the highlight of your day — and with nearly 50,000 reviews from a membership that keeps growing, the studio clearly delivers on that promise. The class format combines functional fitness with entertainment, and trainers who are dynamic, hilarious, and skilled at making every session feel distinct from the last have built one of OC's most enthusiastic and loyal fitness communities. Specific instructors at Motion are described as always motivating and wonderful people who make members better as people through the workouts.

For OC members who want group fitness that takes the entertainment quality as seriously as the physical quality, and who want instructors with genuine personality that keeps classes feeling like something worth looking forward to, Motion Fitness Group's Laguna Hills location is OC's most distinctive answer to that specific need.

"[Instructor] always has the BEST playlists!!! And the best energy. She is so motivating and I can't imagine working out as hard without her!"

"[Instructor] is always motivating, always wonderful — she is an amazing human and I am better as a person for her workouts."

"[Instructor] was very energetic and she motivated us. The class was great! Although I regularly work out, my whole body got sore the next day. I would go back again!"

4.8
30,132 reviews

Studio X Irvine brings the brand's classical-contemporary reformer Pilates format to OC's largest city, serving the Irvine community with the same non-traditional flow, modern aesthetic, and dope house music that defines the Studio X experience across its Orange County locations. Instructors here are praised for being hands-on with form correction, sweet and involved throughout every class, and skilled at finding the balance of difficulty and accessibility that makes reformer Pilates genuinely rewarding for mixed-level groups.

First-timers at Studio X Irvine describe the kind of experience that converts curious newcomers into regular members: clearly guided, individually attended to, and leaving feeling both physically accomplished and excited to come back. For Irvine and south OC members who want Studio X quality close to home, this location delivers the full brand experience.

"I took my first Pilates class today and it was such an amazing experience! [Instructor] made me feel really comfortable as a beginner and explained each movement in a clear and encouraging way."

"One of my favourite flows! Not too many position changes, perfect amount of holds and pulses. [Instructor] was very sweet and involved the entire class. Would take her class again."

"Loved it! Such a good workout and clear instructions. Will be back!"

4.9
28,368 reviews

The Body Collective in Costa Mesa is a boutique group fitness studio running Pilates mat, sculpt, barre, yoga, and yoga sculpt in classes capped at 12 members — a size that makes every session feel personal and allows instructors to deliver real attention to every participant. Instructors here are described as having seamless cues, motivating energy, and the ability to create playlists and class sequences that members keep coming back for specifically, even when they've tried the same format elsewhere and found it less compelling.

For Costa Mesa and greater OC members who want mat Pilates and barre at a boutique quality level where the small class size creates a genuinely personal experience, The Body Collective is the OC option that delivers that quality most consistently.

"Loved [Instructor]'s class! Her cues were so motivating and helpful. This class had me sweating and shaking in the best way. She's super sweet and is there to help if you have any questions!!"

"Great music and her cues were perfect!!! Such a fun and challenging class. Great start to the day."

"Love [Instructor]'s class! Her cues are always so seamless and her energy is motivating."

4.9
19,203 reviews

Studio X in Orange brings the brand's classical Pilates with a contemporary twist to one of OC's historic cities, with Allegro 2 reformers, blunt descriptive cueing, and hands-on adjustments that create the mind-body connection that distinguishes Studio X from standard reformer boutiques. Instructors here have developed among the strongest individual followings in the Studio X network, with members describing specific coaches in terms that suggest genuine loyalty: take her class once and you are HOOKED, by far my favourite class, and a repeated commitment to booking before the schedule fills up.

For Orange and north OC members who want Studio X's distinctive Pilates approach in a central location with instructors who genuinely command their room, the Orange studio delivers the brand at its most enthusiastic.

"Took [Instructor]'s class once and I am HOOKED!!!"

"By far this has been my favourite class."

"[Instructor] is such a great Pilates instructor! The class was an amazing workout — challenging yet fun — and [Instructor]'s friendly, supportive vibe made it even better."

4.8
35,161 reviews

Sol Studio in Costa Mesa blends the intensity of Pilates with dynamic mat movements to ignite and sculpt — classes that members describe as setting their soul on fire with every movement, which is exactly what the studio's name and philosophy are built around. The studio's soft lighting, fun music, and instructor personalities create the kind of class atmosphere where members leave smiling even after a session that genuinely challenged them, and where specific instructors develop the kind of following that makes members rearrange their schedule to attend a particular class slot.

For Costa Mesa members who want mat Pilates that operates as a full-body sculpt session rather than a standard Pilates practice, Sol Studio's format and energy deliver something distinct from the reformer-focused alternatives in the area.

"I LOVE [Instructor]!!! She's the best ever — she's so fun and her counting is literally my favourite."

"[Instructor] was kind and welcoming, and the workout was so good! The space was really calming and serene, with a soft light. The music was fun so that kept the energy up as we got our butt kicked. Overall, loved loved loved and will be back!"

"THE ACTUAL BEST SHE IS SO TALENTED AND FUNNY I LOVE [Instructor]."

4.9
36,887 reviews

Lagree Ology in Arcadia serves the OC-adjacent San Gabriel Valley market with a Lagree and wellness studio that members describe as challenging as it is fun, exactly as the studio's own description promises. Instructors here have built some of the SGV's most devoted Lagree followings, with members booking around specific teachers whose energy, music, and class design make even a truly hard session feel like something they'd choose again immediately.

For OC and SGV border members who want Lagree quality with instructor personality that has been specifically described as a whole vibe, so funny and so challenging, Lagree Ology is the Arcadia studio that delivers that combination consistently across its instructor team.

"I love [Instructor]!! She's such a vibe, so funny and so challenging."

"I love [Instructor]'s class! Her energy is so positive and motivating — it really helps push me through the challenging moments. She gives super clear instructions, which makes it easy to follow even the toughest moves."

"It was one of my favourite classes! [Instructor] was so encouraging!"

Best fun and addictive fitness classes in Orange County

Orange County's most fun and addictive fitness classes, ranked

MOXI3, Costa Mesa

Breeze Lagree, Costa Mesa

Studio X, Costa Mesa

Full Psycle, South Coast Metro, Santa Ana

Motion Fitness Group, Laguna Hills

Studio X, Irvine

The Body Collective, Costa Mesa

Studio X, Orange

Sol Studio, Costa Mesa

Lagree Ology, Arcadia

Explore more ClassPass experiences

Find your Orange County fitness obsession on ClassPass

Company

Corporate wellness

Trial & member support

Partners

Community