567 Northwest Mercantile Place
Port St. Lucie, FL 34986
Welcome to Iron Knight Gym, Port St. Lucie’s number one strength gym. Iron Knight Gym provides expert coaching, quality strength equipment, and a supportive community for every fitness level. Whether you want to build strength, improve your conditioning, or reach a specific fitness goal, Iron Knight Gym has everything you need to put in the work and get results.

One-on-one coaching tailored to your goals.

Build strength with structured programming and expert coaching.

Prepare for race day with endurance and functional fitness training.

Personalized coaching in a motivating group environment.

Train on your schedule with secure facility access.

Technique focused coaching for competition or personal records.

Improve your snatch and clean & jerk with experienced coaching.

High energy classes that build strength and improve conditioning.
Since 2017, Iron Knight Gym has been helping individuals in Port St. Lucie improve their fitness, lose weight, and build real strength. Our community includes everyone from competitive athletes to everyday people who want to get healthier and more active for their families.
We believe that everyone deserves access to expert coaching, effective strength training programs, and a supportive gym environment.
That’s why Iron Knight Gym was built to be a welcoming, judgment-free fitness space where members are encouraged, supported, and challenged to become the strongest version of themselves.
Come see why members call us their second home!










