Great South Bay YMCA
Hours
Wednesday
5:00am - 9:00pm
5:00am - 9:00pm
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 is Happening at the Great South Bay YMCA
Great South Bay YMCA Golf Classic
Join us at our Great South Bay YMCA Golf Classic, Tee Up Fore Kids on Monday, July 20, 2026!
April 27, 2026
Great South Bay YMCA 5K In Memory of Judi- Volunteer
Run. Walk. Volunteer. Join us for our Great South Bay YMCA 5K Run/Walk in Memory of Judi as a volunteer.
April 6, 2026
Great South Bay YMCA 5K In Memory of Judi Fun Run
Join us for our Annual YMC Run for a Cause Fun Run!
April 22, 2026
Great South Bay YMCA 5K In Memory of Judi- Thank You Sponsors
Special Thank You to our Great South Bay YMCA 5K Run/Walk in Memory of Judi Sponsors.
May 6, 2026
Meet our Great South Bay YMCA 5K In Memory Of Judi Honorees
Join us for our Great South Bay YMCA 5K in Memory of Judi on May 30, 2026. Meet our honorees of the Great South Bay Community that represent what our YMCA5K stands for!
April 6, 2026
Phones Down Eyes Up for Water Safety Month
Phones Down Eyes Up. May is Water Safety Month, let's take the pledge to continue to keep children and families safe in and around the water
May 1, 2026
Celebrating Asian American and Pacific Islander Heritage Month at the Y
May is Asian American and Pacific Islander (AAPI) Heritage Month, a time to honor the rich histories, cultures, and contributions of AAPI communities across the country.
May 1, 2026
May Challenge
Make waves this May in the water-based 4-week fitness challenge, take part in the 3-week challenge, or the mini challenges.
May 1, 2026
May is Water Safety Month
May is Water Safety Month. The Y has been keeping families, children, teens, & Adults safe in and around the water for 175 years.
May 1, 2026
Mental Health Is Health: The Y’s Commitment to Community Care
This May, in honor of Mental Health Awareness Month, the YMCA of Long Island is asking everyone in our YMCA of Long Island community to take a moment - for themselves and for each other.
April 30, 2026
6 Must-Know Tips for a Safe Splash This National Water Safety Month
The YMCA has 175 years of keeping families, kids, and adults safe in and around the water. May is National Water Safety Month, the perfect time to brush up on how to keep everyone safe while enjoying pools, lakes, rivers, and beaches.
April 30, 2026
Student Special
Stay active all summer long, just for $125 with $0 Joiner Fee with this Student Limited Time Offer. Expires September 1, 2026
April 28, 2026
A Mother’s Day Celebration: Honoring the Heart of Every Family
Mother’s Day is more than a date on the calendar—it’s a heartfelt reminder to celebrate the love, strength, and unwavering support that mothers and mother figures bring into our lives every single day. Whether it’s a biological mom, a grandmother, a guardian, or a mentor, this day is about recognizing the people who nurture, guide, and inspire us.
May 10, 2026
Active Older Adults Day
Join us on May 20 for Active Older Adults Day from 8:15am-2:00pm
April 28, 2026
Great South Bay YMCA 5K In Memory of Judi
Join us for our Great South Bay YMCA 5K Run/ Walk In Memory of Judi on Saturday, May 30, 2026
April 3, 2026
Infant Care
Infant Care is now available at the Great South Bay YMCA! Ages 3 Months-18 Months.
1:4 Teacher- to-Child Ratio
March 24, 2026
Spring into Fun at the Y!
Ready for spring fun? Spring Program Registration Starts Monday, April 6, 2026
March 10, 2026
Healthy Kids Day is April 18, 2026
Come join the fun on April 18 for Healthy Kids Day sponsored byPeanuts & Gatorade!
February 25, 2026
Great South Bay YMCA Virtual Open House Interactive Experience
Join our Great South Bay YMCA Camp Open House Virtual Experience! Tour the grounds, and learn some fun-facts along the way! We can not wait to see you this Summer
February 20, 2026
YMCA Tee Up Fore A Cause
Join us at our YMCA Annual Golf Outing to support your YMCA. community
February 4, 2026
Camp Open House Dates
Camp Open House Dates Are Here! Meet the camp team, take a tour, and get all of our questions answered!
January 23, 2026
Parents Day Out!
Need a few hours to yourself? The YMCA has you covered- Join us for our Parents Night Out, every first Saturday of every month! Kindergarten through 3 grade.
November 4, 2025
2026 5K Series- Dates Announced!
Join us for our 9th YMCA Annual 5K Run/Walk for a Cause. Series presented by Amazon.
December 18, 2025
Holiday Camp
When School is out Camp is in! Join us for our Holiday Camp, Sports & Games, STEM, Arts & Crafts, Swimming, Special Theme Activities And More!
December 8, 2025
Camp 2026
LAST CHANCE TO GET THE BEST DEAL ON CAMP! Your Best Summer is One Click Away.
January 2, 2026
Child Watch Hours
Child Watch has nurturing and conscientious staff that are CPR and First Aid Certified. Age ranges for the Child Watch program are 6 months old - 12 years old.
November 6, 2025
Mobile App is Here!
A Better Way to Stay Connected to Your Y-Right from Your Phone YMCA Daxko Mobile App. This all-in-one app is designed to make staying connected with your Y easier and more convenient than ever.
August 6, 2025
YMCA360xLes Mills
Your Favorite Les Mills classes now on YMCA360! Stream Les Mills favorites like BODYPUMP™, BODYCOMBAT™, BODYFLOW™, and more!
August 6, 2025
Jerry Leo Turns 100!
Great South Bay Member, Jerry Leo Turns 100! She shares her fitness tips, and what her secret is to keep moving is. Plus, she was featured on the news throughout the US and in Australia.
April 14, 2025
New Digital Experience is Here!
Our New digital experience is here! We are making it easier than ever to stay connected with your Y Membership.
March 11, 2025