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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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Darcy Anderson Gassel's profile image
Darcy Anderson Gassel 
2 years ago

BE CAREFUL JOINING THIS GYM. They are 100 percent about the group classes and care very little about anyone else, like weight lifters. Also, they jerk you around heavily when you want to cancel your membership forcing you to pay months after you stop using the gym. It's very frustrating! 

Todd Palmateer's profile image
Todd Palmateer 
recommend  Recommended
4 years ago

What an amazing gym with incredible group classes! I never thought I would be excited about working out until I found this place. From the ownership to the trainers to the people working the front desk, you feel like it’s one big fitness family… They have always been so welcoming and helpful in reaching your fitness goals. My days are always better when they start with a workout at the 12! I can’t recommend this place enough! 

Eryn Lewis's profile image
Eryn Lewis 
recommend  Recommended
4 years ago

I have been going to gyms my whole life and it only took one class for me to sign up for the unlimited month membership. I loved the small town vibe, the clean equipment, the members are very friendly and down to earth and the trainers really care about what they do. On top of all that it is a GREAT workout and I never find myself bored! you definitely should try a class! 

Melissa Ann Stevens's profile image
Melissa Ann Stevens 
recommend  Recommended
4 years ago

This post is LONG overdue! The trainers and the community at The 12 have been such a HUGE part of my health journey over the past couple of years. The first time I came to the 12 was with a friend whom had been going to classes and I took advantage of the free class pass. I've been going 5-6 days a week ever since! The workouts are fire, the staff is SO knowledgeable, and the trainers really care about your success! Give it a try. YOU'RE WORTH IT!! 

Angela Van Vuuren Kendig's profile image
Angela Van Vuuren Kendig 
recommend  Recommended
4 years ago

My husband's been a long time member here and was gifted a free month to invite a friend this past Christmas. Lucky me was the recipient and I couldn't be happier. Everyone was so welcoming. The HIIT classes are challenging and every day is different so I never get bored. The trainers show us proper form for each of the day's exercises and will show us how to modify if needed. The trainers are eager to answer any questions regarding health and nutrition. The equipment is sani… See more 

Joe A. Padilla's profile image
Joe A. Padilla 
recommend  Recommended
4 years ago

We are coming to a end of week five of our 6 week challange and I have to say that it has been a phenomenal experience so far. I have seen incredible results so far and its its because of the all the great community of people im surronded with here. Along with amazing trainers to help encourage and push you past the limits they can see you are capable of. And their HIIT program is on point  

Ben Matthews's profile image
Ben Matthews 
recommend  Recommended
4 years ago

Love love love this place! Have been taking group classes here for about 4 months now. Staff and trainers are incredibly friendly, fun, and motivating. It definitely doesn't have the typical boring corporate gym feel. Facilities are cleaned between every class and patrons are very respectful of the guidelines ie cleaning equipment and area between every station. 

Michelle Moussa Robinson's profile image
Michelle Moussa Robinson 
recommend  Recommended
4 years ago

Last October my friend asked me if I wanted to try out the 12 with her and mentioned they offered the first class free. That’s all it took to get me hooked. I’ve tried a lot of different bootcamp style gyms and this one is by far my favorite. The workouts will always keep you on your toes with new movements and you will never know what’s coming. I usually take the same class every day but every once in awhile I will switch it up with a new trainer and it’s mind blowing to hav… See more 

Emily Castelblanco's profile image
Emily Castelblanco 
recommend  Recommended
4 years ago

I joined the 12 during the beginning of the pandemic last year. I thought it would just be a temporary solution until my gym opened back up, however, I am so lucky to have stumbled across the 12 and this community. The trainers, the staff and just everyone there has your best interest at heart. This is not any regular gym. This is a family. A community. My home away from home and I am so lucky to be apart of it. 

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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