Great South Bay YMCA
Hours
Thursday
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
Camp 2026
LAST CHANCE TO GET THE BEST DEAL ON CAMP! Your Best Summer is One Click Away.
December 1, 2025
December Challenge
Every check-in at the YMCA brings you closer to finishing the year strong. Dash, lift, stretch, or sweat your way through the season and celebrate your commitment to your health. Let’s make this December your most active one yet!
December 1, 2025
Holiday Gift Giving
Give the gift of health, wellness, and fun this holiday season!
November 17, 2025
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 13, 2025
Holiday Silent Auction
Join the season of giving with our Holiday Silent Auction. Every bid helps support the YMCA’s Annual Campaign, ensuring that children, families, and individuals across our community have access to vital programs and life-changing opportunities—no matter their financial circumstances.
November 27, 2025
Find your Joy in Giving
Find your joy in giving. Find your Y. The true power of the Y is in the hearts and actions of every neighbor who believes in our vision of a stronger community for all. Give Today!
November 5, 2025
Student Special
Calling all students! Join the Y with our special student membership offer!
November 10, 2025
Fall II Programs
Building Lifelong Skills—One Lesson at a Time, Fall II Program Registration Begins: Monday, November 3,2025
November 1, 2025
Tween Takeover!
Join us at for our Tween Takeover, 3rd–6th graders on Fridays from 6:30-8:30pm!
October 30, 2025
In-Memory of Methel Gale
In Memoriam: Methel Gale – A Legacy of Strength and Inspiration
October 29, 2025
Great South Bay YMCA Basketball- Stage 4
ONLY 4 SESSIONS LEFT OF OUR STAGE 4 ADVANCED BASKETBALL CLINIC!
July 4, 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
Great South Bay YMCA Golf Classic Thank You!
Thank you to our sponsors and all who attended our Great South Bay YMCA Tee UP FORE Kids Golf event honoring Mayor John Valdini.
July 21, 2025
In Memory of Mary Van Nostrand
The Great South Bay YMCA is accepting donations in the name of longstanding community member Mary Van Nostrand.
July 23, 2025
BOGO Movie Deal
Calling all YMCA members! Don’t miss this unforgettable night of music and fun for the whole family!
July 10, 2025
Great South Bay YMCA Golf Classic
Great South Bay YMCA 2025 Tee Up for Kids Golf Classic, honoring Mayor John Valdini.
March 4, 2025
Great South Bay YMCA 25th Anniversary 5K Run/Walk In Memory of Judi- THANK YOU!
Thank you to all who came to support our Great South Bay YMCA 5K Run/Walk For A Cause in Memory of Judi. This year we celebrated 25 years. All proceeds from this event benefit local individuals and families impacted by breast cancer through programs and support services.
June 2, 2025
Methel Gale
Meet Methel Gale- one of our Y inspired Members at our Great South Bay YMCA 5K Run/Walk in Memory of Judi. Come and meet Methel at our Great South Bay YMCA 25th Anniversary Run/ Walk in Memory of Judi on Saturday, May 31st, 2025.
May 27, 2025
Great South Bay YMCA 5K In Memory of Judi Kiddie Fun Run
Join us for our annual 5K Kid Zone on May 31st with Color run starting at 9:30am.
May 21, 2025
Great South Bay YMCA 25th Anniversary 5K Run/Walk In Memory of Judi- Honorees
The Great South Bay YMCA 5K Run/Walk for a Cause is Saturday, May 31, 2025. This year commemorates our 25th Anniversary 5k Run/Walk in Memory of Judi. This community event benefits local individuals and families impacted by breast cancer with programs and support services.
May 19, 2025
FREE INJURY/PT SCREENINGS AT THE GREAT SOUTH BAY YMCA
FREE INJURY/PT SCREENINGS AT THE GREAT SOUTH BAY YMCA with BRIGHT BAY PHYSICAL THERAPY
May 16, 2025
YMCA Camp Open House
Come and join us for our last camp open house of the season on June 7th from 10:00am-11:30am ! Get all of your last minute camp questions answered, meet the team and take a tour of our camp grounds.
February 3, 2025
Summer Program Registration
Skills Up This Summer! Whether it’s swim lessons or soccer goals, our programs help kids grow all summer long. With every splash and every score, they’re building confidence, friendships, and lifelong skills!
May 12, 2025
Mother's Day Blog
Mother's Day Recipes for Brunch or Dinner. Celebrate Mom with feel-good food that’s delicious, nourishing, and fun to make together!
May 7, 2025
Summer Student Special
Check out our Student Membership Offer for a Limited Time Only! $125 Membership Rate with $0 Joiner Fee! Offer Valid through September.
May 2, 2025
Active Older Adults Day May 21st
May 21 is Active Older Adults Day. This is a FREE day of Fitness Classes, Social Opportunities, How To’s, Partner Organizations, Food, Health Screenings, And More! FREE and OPEN TO THE PUBLIC!
April 28, 2025
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, 2025
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.
March 18, 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
Great South Bay YMCA 5K Run/Walk In Memory of Judi
Great South Bay YMA 5K 25th Anniversary 5K Run/Walk in Memory of Judi
April 1, 2025
Camp Registration is Open
Camp Life is the Best Life. Summer Exploration Starts Here! Join us for 8 weeks of camp from June 29- August 22nd!
December 27, 2024
YMCA 5K Series
Run|Sponsor|Give Back! Join us for our 5K Run/Walk for a Cause presented by FourLeaf
January 15, 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
Spring Programs 2025
SAVE THE DATE for our Spring Program Registration! Float with Confidence this Spring!
Program Registration starts Monday, March 31, 2025 Spring Programs Runs from April 13 - June 21
March 2, 2025