FLOW
STRENGTH
Coaching that turns effort into progress you can feel, in a room that keeps you honest. Come find out what you’re capable of alongside people who want the same thing.
Two Ways to Train.
You shouldn’t have to rebuild your schedule to get stronger. Two paths, one coach, and both of them designed around the week you actually have.
Train Together.
Community-first classes Monday through Friday at 5, 6, and 7AM — 50 to 60 minutes of coach-led strength and conditioning, surrounded by people who show up for each other.
Explore Group Fitness →Train One to One.
A quieter, more considered path. Availability is limited, and every plan starts with a conversation with Coach Sandy — not a booking.
Explore Personal Training →
Coach Sandy Martz.
Sandy is an ISSA certified personal trainer, bodybuilding coach, and group fitness coach with a CF Level 1 credential and a jiu jitsu brown belt. Her multidisciplinary approach blends strength training, functional movement, and HIIT into a safe, supportive, results-driven experience for every member.
Full Bio →More Than Physical Strength.
At Flow Strength Maine, our philosophy is rooted in the belief that fitness is not just about physical strength, but also about nurturing mental resilience, personal growth, and overall well-being. We believe in creating a supportive and inclusive community where everyone is encouraged to embrace their unique journey towards health and fitness.
We prioritize functional movements and strength training built around a solid foundation of strength, mobility, and endurance — allowing you to excel in any physical endeavor you choose. We celebrate progress over perfection and believe that small, consistent steps lead to lasting transformations.
Learn More About Us →
Built for Real People. Built to Last.
Dynamic, results-driven classes designed to challenge and empower you — no matter where you’re starting from.
Supportive Community
Fitness is better together. Every class at Flow Strength is designed around community — you push harder when you’re surrounded by people cheering you on.
Expert Coaching
Coach Sandy holds four professional certifications and brings a multidisciplinary approach — combining strength, conditioning, and functional movement into every session.
Proven Results
Our programming is centered around building real strength, mobility, and endurance. We emphasize proper form, injury prevention, and progress that lasts outside the gym.
Every session is coached. Every plan is written for you.
What to Expect in Class.
High-energy, coach-led sessions that combine strength training, HIIT, and functional movement. Every class meets you at your current fitness level and pushes you to new heights.
Come See It for Yourself.
Take a free 30-minute tour and meet Coach Sandy. See the facility, observe a class, and get direct answers to all your questions — no pressure, no commitment.