Disposal of Excess Federal Lands Act of 2017 This bill directs the Department of the Interior: (1) to offer for disposal by competitive sale for not less that fair market value certain federal lands in Arizona, Colorado, Idaho, Montana, Nebraska, Nevada, New Mexico, Oregon, Utah, and Wyoming, previously identified in the report submitted to Congress on May 27, 1997, pursuant to the Federal Agriculture Improvement and Reform Act of 1996, as suitable for disposal or exchange for the purpose of conducting restoration activities in the Everglades region of Florida; and (2) within four years after enactment of this bill, to submit a list of such lands that have not been sold and the reasons why. All net proceeds from the sale of such lands shall be deposited into the Treasury for reduction of the public debt.