Description Drop In Fitness Classes, Drop In Child Care, Drop In Swim, and Drop In Teen/Tweens activities are FREE with your YMCA Facility Membership . Registration is not required; capacity may be limited and is available first come, first served. For community events, membership and registration are not required. For other programs, please contact the Y during regular business hours for further information. Practice your pickleball skills and enjoy some friendly competition. Age All Ages Location Downtown Y - Basketball Gym at Downtown Seattle YMCA