Are section 501 c 7 organizations subject to open meeting laws?

Usually not but in what state is this registered? Non-profit Organizations and Open Meeting Laws (http://www.openmeetinglaws.com/nonprofit.html)

I am specifically talking about a soccer club in AZ

Nope, not subject to the Open Meetings Act Starting an Arizona Nonprofit Organization, Starting a Nonprofit Organization (http://www.hurwitassociates.com/l_s_initial_az.php)