YMCA in Mason City, IA List Map Page 1 of 1 « < > » Ymca Summer Camp/after-school Program1840 S Monroe AveMason City, IA 50401 Licensed Center 1.4 miles | Map Ymca After School Program-clear Creek901 S 14th StClear Lake, IA 50428 Licensed Center 9 miles | Map Page 1 of 1 « < > »