Prairie Island Land Conveyance Act of 2005 - Directs the Secretary of the Army to convey all U.S. right, title, and interest in and to described land to the Secretary of the Interior, to be held in trust by the United States for the benefit of the Prairie Island Indian Community in Minnesota, and included in the Prairie Island Indian Community Reservation in Goodhue County, Minnesota. Prohibits the use of such land for: (1) human habitation; (2) construction of any structure without the written approval of the District Engineer; or (3) gaming.