Greater Green Bay YMCA Inc. 235 N Jefferson St Green Bay, WI 54301-5126 United States Phone +1 920-436-9622 Visit Website Join Donate Find More Ys Hours of Operation Mon - Fri: 5:00am - 9:00pm Sat: 6:00am - 5:00pm Sun: Closed Locate 44.514618, -88.012387