CrossFit Strong Island is a premium, 7,500 square foot CrossFit strength and conditioning training facility located off Benson Lane in Merrick, Long Island, New York.

Our program efficiently combines the most effective training methods of Weightlifting, Gymnastics and High Intensity Cardio. There isn’t a strength and conditioning program anywhere that works with a greater diversity of tools, modalities and drills.

All of our training is done in a group class setting. The camaraderie of the group is what makes CrossFit and CrossFit Strong Island different than your regular run of the mill gym.

All of our staff are highly qualified fitness specialists, successful athletes and dedicated CrossFitters and coaches. We genuinely care about our members and how we can best impact their lives in a positive way.

If you’re questioning CrossFit, DON’T! Just come in and check out what all the hype is about!

We guarantee you will never look back!

CLICK HERE to get started today!


Annual Baseball Game – Off to see the Mets

When: Tuesday, August 21
Where: Bus will leave CFSI at 5pm sharp
Please sign up on whiteboard

Get your kids moving – Sign up for Kids Classes:

Class Times:

Juniors (ages 6-9):  Tuesday 4:30 – 5:15 pm and Saturday 9:00 – 9:45 am
Seniors (ages 10-14):  Tuesday 5:30 – 6:15 pm and Saturday 10:00 -10:45am

Come get fit with L1 Tommy Londino a 5x IRONMAN finisher
What: Endurance class

When: Every Wednesday night 7pm

Where: Could be track, could be bike path, who knows where Tommy will have you or what you’ll be doing but you’ll work your butt off and have fun.

What to bring: Water, a timing device, a positive attitude (smile) and a friend