Redefine Fitness



Come learn how Redefine Fitness can help you achieve the best version of you.  All by combining small group classes, personal training, special needs training, post-rehab and more. We truly strive to help treat you like family by helping you through all the highs and lows!

Located in Mt. SInai, NY at the King Kullen (Rite Aid) Shopping Center, we are just minutes away from Mather Hospital, St. Charles Hospital, Port Jeff Village, and across the street from Sky Zone.  

How We Do It

One-on-One Training

Using comprehensive fitness programs based on research, our expert personal trainers work with you to determine your individual strengths, weaknesses, and goals to find a fitness plan designed to get you results.  All that offered with no commitment, no hidden fees, and a free basic membership makes this our hidden gem.

Post-Rehab Program

This programs is specifically designed to help individuals with functionality, movement, mobility, and stabilization. By working together with your Physical Therapist and Physician, we have the knowledge to help you get back on your feet by being able to work your whole body.  With no limitations from insurance companies who think they know better, we get you back to feeling 100%. .We do this with a combination of learning and training that can help you reach new goals that they never thought possible.

Special Needs Training

 Our personal training programs are personalized, fun and engaging. We help each client learn at their own pace whether focusing on gamification or stricter weight lifting activities. Each client receives undivided attention and will grow to be more active outside of our facility.

Our trainers are specialized in working in functionality, programming, and fun which includes backgrounds in the special need’s community.  Having the knowledge to help our loved ones by educating, staying active and growing more functionally helps make a true difference.

Contact Us

Redefine Fitness

5507 Nesconset-Port Jefferson Highway, Mount Sinai, New York 11766, United States

(631) 743-9906


Open today

06:00 am – 08:00 pm

Hours only pertain to use of the facility. Personal Training is by appointment

Book your free assessment today



Feed coming soon