Strength Built Here.

A private, community—driven gym in Millersport, Ohio—built for real people, real goals, and those who serve.

What we stand for

Thin Line Fitness of Ohio isn’t your typical gym. This place was built for people who want more—more discipline, more strength, and more out of life.

Founded by a first responder family, we created this gym to be a place where stress gets left at the door and work gets put in.

No crowds. No egos. No shortcuts.

Just real people putting in real work.

Promotional poster for the 'Strength in Service' series, honoring police, fire, dispatch, corrections, and military/veterans, from Thin Line Fitness of Ohio, established 2022, with flames and sparks background.

Built for those who serve

We proudly offer FREE memberships for first responders, veterans, and active duty service members (including their significant others).

Because the people who protect our communities deserve a place that supports them too.

Strength in Service

 

Built for our community

We created this gym for people who want more than just a membership.

From first responders and veterans to local student-athletes and families—this is a place where everyone puts in the work and earns it.

Where to find us?

2430 Mill Street
Millersport, OH 43046
(Building Entrance off of Broad Street)

Strength built here — for those who serve and those who refuse to quit.

Poster announcing the re-launch of Thin Line Fitness of Ohio, an open house event scheduled for April 11th, 2026, from 10:00 AM to 12:00 PM at 2430 Mill St, Millersport, Ohio. The poster includes logos with a barbell and weights, a state outline, and text highlighting event details and membership specials such as free month for the first five guests.
  • "I have had a wonderful experience at Thin Line Fitness of Ohio. Currently working on getting in shape for my wedding and Sam has really taken the Time to create a program that caters to what i personally want to improve/work on. i highly recommend the nutrition program as well!"

    “ Tori Elizabeth-Former Client”

  • "A place that I can decompress from work and get a quick workout in after my shift. A much better experience than the large commercial gyms that I have experienced before"

    - Officer with Columbus Division of Police

  • "Worried about the holiday "sticking" to you? These AMAzing packages are the best way to keep them worries far far away!! Samantha will commit to your goals and make the best plan for you. pssst. she keeps me on my toes."

    -Lakeside Styles

Step inside, let’s get to work.