Marinette County Family Court 1926 Hall Ave Marinette, WI 54143 Phone : (715) 732-7655 Business Category County Government-Courts Courts Marinette County Of--circuit Court - Court Commissioner Marinette, WI 54143 Phone : (715) 732-7655 Business Category Government Offices-County Government Offices & Public Schools Marinette County Of--marinette, Court Commissioner Marinette, WI 54143 Phone : (715) 732-7655 Business Category Government Offices-County Government Offices & Public Schools