Olympic Cascade Aquatics is a swimming team and program. The organization is a coach-owned USA Swimming program and uses various pools and facilities in the area to train and practice, including the Mary Wayte pool, the Mercerwood Shore Club and the Mercer Island Country Club. The OCA offers team programs as well as training and practice groups for swimmers in all age groups and skill levels, including individual training, beginner instruction, technique work, stroke training and more. Tryouts are done by appointment.