700-1 Union Pkwy
Ronkonkoma, NY 11779


Our Instructors




Marybeth has been in the industry since 1984 and with Platinum Fitness since
1993. Her classes are safe, fun and effective. Any member will benefit from
being a part of her community.

Classes with Marybeth: G.R.T, Yoga Plus, Silver Sneakers Program





Frank Lincoln has been a Spin instructor since 2005 and a cycling enthusiast for much longer than that. Frank’s class is motivational, challenging, hardcore, new school and old school. He will take you on rides to rock and dance beats from today and yesterday.
Geared toward experienced and beginners…at the individual’s own pace. No judgment…just inspiration to push it to the next level!!



Classes with Lorri: Boxing Boot camp and High Intensity Interval Training utilizing kettlebells, weighted bars, elastic resistance, etc. w/ Lorri


Laura Grubert

Laura Grubert has been a fitness instructor for 3 years. She is AFAA group fitness, zumba, gold & silver sneakers certified. She encourages her class to have fun while challenging them with routines that use hand weights and weighted balls for a total body workout.