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About

Tucked into Long Island’s South Shore, the Great South Bay YMCA serves thousands of children, teens, individuals and families every day.

 

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Branch Amenities

Exercise Equipment
Facility Features
Pools
Group Fitness
Programs and Services
Family-Friendly
Child Watch 

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Become A Member

Feel good, do good as a member of the Y community. Get access to our 
locations across Long Island, hundreds of free classes, and great savings.

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What's New at Great South Bay YMCA?

GSB Fall Programs

Fall Programs and Classes

Join us at the Great South Bay YMCA for some fun programs and classes this fall! We have programs and classes for all ages. Program/ Classes View Youth Flyer

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Fall Membership

Join the Y this Fall!

Achieve YOUR Personal Best this fall with our exclusive $0 Joiner Fee Membership Offer. Elevate your fitness journey and strive for greatness at the YMCA of Long Island. Our state-of-the-art facilities, expert trainers, and diverse fitness programs will help you unlock your full potential.

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