Welcome to the Castle Hill YMCA – the Bronx’s original YMCA and a vibrant hub for health, fitness, and community for more than 50 years, nestled in the Southeast overlooking the Whitestone Bridge. From state-of-the-art gym equipment and group fitness classes to swimming lessons, outdoor and indoor pools, family programs, personal training, youth sports and summer camps, we’re here to help you reach your goals in a welcoming, supportive environment.