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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.
4.9523 reviews
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Katie Gray's profile image
Katie Gray 
7 years ago
Krista Jensen's profile image
Krista Jensen 
7 years ago

Over 2.5 years ago when I stepped into the 12 I had no idea what an impact this place would have on me. I can say with certainty that this is by far the best group training facility in Orange County! Stop by and try it out... you will never look at fitness the same!! 

Jessica Caruso's profile image
Jessica Caruso 
7 years ago

My very first class with The 12 was at this location and it quite literally blew my mind. I'm hooked! 

Effie Metsovas Giordano's profile image
Effie Metsovas Giordano 
7 years ago

This is the best place in town so look no further! I've been coming to the 12th for about nine months now consistently. Stop making excuses that you have sciatica and back pain or nerve pain or whatever issues you have because I went I struggled in the beginning but now I am stronger and I have lost 16 pounds and I'm fitting into all my clothes much better. The afterburn classes are so much fun the people that go there are super sweet and the trainers are exceptional. They are all phenomenal trainers and they are very passio... read more

Allison Harter's profile image
Allison Harter 
7 years ago

The 12 is full of positive energy, encouraging people, and plenty of different workouts with their Group Training Classes. All the trainers are extremely knowledgeable in their profession, and truly want to see you succeed! 

Michelle Panther Smissen's profile image
Michelle Panther Smissen 
7 years ago
Otto Blom's profile image
Otto Blom 
7 years ago
Ali Shah's profile image
Ali Shah 
7 years ago
Jake Giamoni's profile image
Jake Giamoni 
7 years ago

As a gym owner myself, I love Checking out other studios around the country. This place rocked. Great space, positive vibes, and a daily program that makes sense to achieve maximal results. Not just random exercises thrown together like many sub-par group fitness studios tend to do. These guys get it. Highly recommend. 

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 523 reviews. 

When is The 12 Costa Mesa open?

The 12 Costa Mesa is closed now. It will open at 5:00 a.m. 

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