Welcome to SPI
Welcome to the Strength & Performance Institute (SPI). SPI is unlike any other gym in the Clearwater, Safety Harbor, Dunedin, and surrounding communities. We are a boutique-style, private personal training facility designed for individuals of all ages and fitness levels who desire to train and learn in an environment where you feel welcomed, heard, and empowered. SPI is a team of dedicated fitness professionals equipped with industry-leading knowledge and credible experience who are passionate about educating and supporting clients to become the strongest and healthiest versions of themselves. Let's talk today about your fitness goals and see if an SPI personal trainer is the right fit for you.
Why Train at SPI
Training a Strength & Performance Institute (SPI) personal trainer in Clearwater is a different experience than what you find at a traditional big-box corporate gym. We cater to clients who prefer to train in a private setting. Without distractions. With a highly knowledgeable strength coach and personal training professional that will curate your training sessions to align with your individual needs, goals, and desired results. If you seek accountability, education, and long-term success in your fitness journey, SPI is the ideal destination for you.
The SPI Team
Learn more about the unique stories of our personal trainers and their passion for helping clients attain real, long-lasting health and fitness goals.

The SPI Facility
The Strength & Performance Institute provides an intimate and private personal training experience in a small boutique-style gym. You can always guarantee that your SPI personal trainer will be focused on you during every training session. No distractions and only professional, experienced trainers
What Our Clients Say
Aches & Gainz Podcast
with Doc & Donnie
We put an emphasis on education at SPI. It is a key component to the mission and services offered as a personal trainer here in our Clearwater, FL community. This podcast series is a great resource where Dr. Hays Estes, DPT of Premiere Physical Therapy and Donnie Kiernan, CPT, owner of SPI, offer two different perspectives and levels of education and experience on a variety of industry related topics, with an edge of entertainment.