Welcome to the East Bay Bat Rays (EBAT) home page. We are a year round competitive swim team providing a safe, healthy, positive environment for all athletes. We practice at Cal State East Bay in Hayward, CA. In addition to being a USA Age Group Swim Team, as well as a USA Masters Swim Team, we are also a USA Water Polo Team. We have swim clinics for our local summer team athletes as well as a popular & successful learn-to-swim program in the summer. Our families come from all over the East Bay - we welcome you to join us!