Great South Bay YMCA
7:00am - 6:00pm
Operating Hours:
| Mon - Fri | 5:00am - 9:00pm |
| Sat | 7:00am - 6:00pm |
| Sun | 7:00am - 4:00pm |
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 Happening at Great South Bay YMCA?
Jerry Leo Celebrates Her 100th Birthday at the Y!
Camp Open House 2025
Camp Open House: Saturday, April 26th for Healthy Kids Day from 12:00pm-2:00pm
5K Series
Join us for our 8th Annual YMCA 5K Series Run/Walk for a Cause.
Register|Sponsor|Donate
New Digital Experience is Here!
We’re making it easier than ever to stay connected with your Y membership!
Healthy Kids Day
Come join the fun on April 26 for Healthy Kids Day! Enjoy an afternoon of fun, safe, supervised activities that celebrates healthy lifestyles and unleashes the excitement of summer! These events are FREE and open to the public.
Great South Bay 5K Is Announced
Join us for our 25th Anniversary Great South Bay YMCA 5K run Walk in Memory Judi on May 31
Spring Programs!
The YMCA is here to help you feel confident around water!
Runs: April 13 to June 21, 2025
Meet our 5K Honoree & Y Inspired Members!
Great South Bay YMCA 5K Run/Walk for a Cause in Memory of Judi. May 31, 2025. Learn about our Honoree & Y Inspired Members.
April Challenge
Get ready to move, sweat, and see results with our April Action challenge!
What is Happening at the Great South Bay YMCA
Holiday Closure
Healthy Kids Day
Great South Bay YMCA 5K Run/Walk In Memory of Judi
Camp Registration is Open
YMCA 5K Series
New Digital Experience is Here!
Great South Bay YMCA Golf Classic
YMCA Camp Open House