Garden River First Nation is governed by a Council consisting of a Chief and twelve Councillors - a maximum under the Indian Act. Each Councillor is appointed to and is responsible for a portfolio(s). A General Council meeting is held monthly along with regular working meetings every week to oversee administrative matters. The Council is elected bi-annually, an election system under the Indian Act.
Garden River First Nation administers a variety of programs and services, and employs approximately 200 people. Various department managers oversee their individual programs and overall administrative duties are overseen by a Chief Administrative Officer who is directly responsible to the Council who in turn, are responsible to the membership.
The principal office is the Administration Center centrally located in the community and surrounded by the Community Center, Health Center, Fire Hall, Public Works Garage, and the Anishinabek Police Services Headquarters. Other community facilities located on-reserve are the Ojibway Tent and Trailer Park, Healing Lodge, Baseball Field and the Garden River Development Cororation Center. All facilities cater to the needs of the Band's membership.