Inclusive. Supportive. Community.


Joining ONYX is an excellent initial move on your fitness journey. The next crucial step is establishing your workout routine, and that's where ONYX is fully prepared to support you. We understand that maintaining motivation is key to your success, and we're here to assist you every step of the way.

About Us

ONYX is designed to help its members become the best versions of themselves both mentally and physically. This is done through our educated staff and uplifting culture.

ONYX Success Stories

ONYX will help you achieve your fitness goals and get your life back on track. Don't just take our word for it, check out these success stories from REAL ONYX Gym Members.

24/7 Access

At ONYX, we want to make sure you have EVERY opportunity to achieve your fitness goals. That is why ONYX offers 24/7 gym access, 365 days a year! Even on the holidays.

Smoothie Bar
Group Classes

Personal Training

Our certified personal trainers help you develop a workout routine, advise you on healthier meal choices, and work with you to restore mind, body and spirit. We want you to feel comfortable at all times, we will work with any past injuries or health concerns you may have. We are here to help you become the best version of yourself!

Talk to a trainer today

Join The

Join the #ONYXsociety today for 24/7 gym access, unlimited guest privileges, access to all locations, group classes, and more! Let us support your fitness journey in a way that fits your time, budget, and goals. Experience a gym community like no other. Don't wait, take the first step now!

Join Today

We Focus On

Fitness - Accountability - Nutrition

and our 24/7 gyms reflect this in our offerings

Wear Comfortable Clothes!

Whatever clothes you want to get sweaty is fine with us, seriously.

Drink Out Of Any Size Water Container!

We don't care what size container you drink out of, just stay hydrated!

Freedom of Expression!

Finally did it? Then celebrate! Going hard? Then let it out! There's no alerts here.

Personal Training

Each session is completely customized and tailored to your goals, your schedule, and your body.

Group Classes

Get gains and make friends in any of our numerous Group Classes.

Exciting News!
More Fun Stuff Coming Soon!
ONYX Twinsburg Grand Opening Event & VIP
Ralph Gracie Seminar!
Come join us on the big day & register for the seminar below.
Seminar tickets are $75 for the 1st 100 attendees and $100 for the next 100. Only 200 tickets available!
Twinsburg Grand Opening - January 10th (5-9pm)
Ralph Gracie Seminar - January 10th (6:30-8:30pm)

more than a gym