Contact John
One Call. Everything Handled.
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Hours
Mon – Fri: 9:00 AM – 5:00 PM
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Service Area
Nassau & Suffolk County
Long Island, New York
New gear, used gear, moving it, fixing it, designing it from scratch — John Mavros is your single point of contact for everything fitness in Nassau and Suffolk. One message. Problem solved.
Free In-Home Design Session
John comes to your home, measures the room, and builds a 3D layout right in front of you. No guessing. No showroom. No driving 45 minutes to talk to a pushy rep.
Or a 15-Minute Video Call — You Don't Even Have to Put on Real Pants
Point your phone at the room. John scans it, designs it, and builds you a 3D layout before the call ends. Same result. Zero commute.
New, Used, Moved, Fixed — One Call Covers All of It
Gym Tech Fitness, PreownedGym.com, and FitMovers123 — John coordinates the whole build. Stop managing five different companies.
Certified Nutrition & Supplement Expert
John doesn't just build the gym — he gives you the blueprint to actually use it. Training, recovery, fuel. The whole package.
Call or Text John
954-234-4393Hours
Mon – Fri: 9:00 AM – 5:00 PM
Service Area
Nassau & Suffolk County
Long Island, New YorkSend a Message
Design, equipment, flooring, moving, or service — fill this out and John handles the rest.