About

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

 

Branch Amenities

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

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.

What's New at Great South Bay YMCA?

Couch to 5k

Couch to 5k Prep

PREPARE YOURSELF FOR OUR YMCA 5K RUN/WALK FOR A CAUSE SERIES with Ivy Rehab.  Join us for a comprehensive session on preventing common running injuries, dynamic stretch demonstrations, and tailored strength training to enhance your journey from the couch to the 5K finish line.

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super bowl snacks 2024

Super Bowl Snacks

Super Bowl Snacks Get ready to elevate your Super Bowl party with a winning lineup of snacks that combine the thrill of the game with the goodness of health. The YMCA of Long Island brings you an array of delicious and family-friendly Super Bowl snacks designed to keep the excitement high and the healthy snacks flowing!

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family gym

Family Fun Friday is February 2! Free to the community! RSVP!

Family Fun Friday at Great South Bay YMCA on February 2nd from 6-8 PM! Join us with the LI Nets for a Family Basketball Bonanza! This event is free to the community. Registration is required.Basketball Bonanza Highlights: Engaging drills for basketball enthusiasts Parents vs. Child basketball games, a chance to showcase your family’s skills!

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