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The 12 Costa Mesa

4.9

About this business

Specialties Group Training, Nutritional Coaching and Personal Training History Established in 2013. The 12 Group Training and Nutrition offers a 360 approach for ultimate fitness results. Our Signature Classes are designed to provide each member with an energy infused, results driven experience in 60 minutes. It begins as members enter the state-of-the-art group room which is outfit with an expansive selection of premium training equipment. Free weights, dumb bells, TRX Suspension Training, Rip Chord Training, Treadmills, HI... read more

Location details

140 E 17th St, Ste B, Costa Mesa, CA, 92627, United States

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WeekdayScheduleStatus
Mon5:00 a.m. to 9:00 p.m.
Tue5:00 a.m. to 9:00 p.m.
Wed5:00 a.m. to 9:00 p.m.
Thu5:00 a.m. to 9:00 p.m.
Fri5:00 a.m. to 9:00 p.m.
Sat7:00 a.m. to 5:00 p.m.
Sun7:00 a.m. to 5:00 p.m.
4.9535 reviews
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Justine Michnicki's profile image
Justine Michnicki 
8 years ago

Best decision I have made about working out! Always a good workout! I have already seen changes in my body. Not to mention the staff and instructors are the best!! Sarah is so motivational and helpful. You will never be judged and is for all levels. Must try. 

Brooke Bradford's profile image
Brooke Bradford 
8 years ago

The 12 is the best gym in Costa Mesa, I have been coming here for 2 years. The trainers and front desk staff are awesome! #12life 

Jonathan Munday's profile image
Jonathan Munday 
8 years ago

Huge shoutout to Sarah Gillette! The smiles and attitude of her class does not do the intensity level justice. It was only due to her enthusiastic nature and killer dance moves that I happily puked up a lung in the bathroom (and lost a contact somehow), and came back for more. I have been an athlete my whole life and trained to failure in sports as well as in the Marines yet still each of her classes I walk away learning half a dozen small tweaks and corrective motions for my workout. Awesome trainer and new friend. Whole st... read more

Tommy Malhame's profile image
Tommy Malhame 
8 years ago
Michelle Aenlle Ford's profile image
Michelle Aenlle Ford 
8 years ago

this is the first time i've ever felt comfortable going to a gym. the vibe is welcoming even to the most inexperienced. 

Karrie Scott Garcia's profile image
Karrie Scott Garcia 
8 years ago

Everyone is so friendly there. I was worried at first because I'm not in that great of shape and gyms can feel intimidating but that was not the case at this gym. It wasn't just the trainers that were nice. It was the members too! Saying hi and just making me feel like I belonged. Also can we talk about those kick butt classes. They are so challenging but honestly I had so much fun. Lindi the instructor I had was so encouraging and had the best laugh and gave great individual care bc agin I'm kinda new at this whole thing. I... read more

Kye Daley's profile image
Kye Daley 
8 years ago

Don't take my word for it, it's 5 stars all day everyday, come and see for yourself! Free week of gym or 2 free classes! No excuses 

Nathaniel Richard III's profile image
Nathaniel Richard III 
8 years ago

best everrrrrrrrrrrrrrrrrrrrrrrrrrrrrr everrrrrrrrrrrrrrrr ever 

Mathew White's profile image
Mathew White 
8 years ago

Amazing group workouts and the best way to get in shape. Thanks to Keith, Sarah, Brittany and the rest of the 12 Crew to push my limits. Appreciate the Professional Facility and the positive energy at the 12. 

Frequently asked questions about The 12 Costa Mesa

How is The 12 Costa Mesa rated?

The 12 Costa Mesa has a 4.9 star rating with 535 reviews. 

When is The 12 Costa Mesa open?

The 12 Costa Mesa is open now. It will close at 9:00 p.m.  

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