Join us as we celebrate 35 years. A lifetime of Impact and serving our community. Join us as we celebrate 35 years of the Great South Bay YMCA and a lifetime of impact in our community! For more than three decades, the Y has been a place where individuals and families come together to grow, connect, and thrive. We are proud to celebrate the generations of members, staff, volunteers, and supporters who have helped shape our story. Here’s to 35 years of strengthening our community—and many more to come!