A port district may sell and convey any of its property when the port commission has declared the property to be no longer needed for district purposes, but no real property which is a part of a comprehensive plan of harbor improvement of port development, or modification thereof, shall be disposed of without a public hearing upon the question of such disposition, after notice given in the same manner and for the same time as is notice for the adoption of the comprehensive plan.
Idaho Code § 70-1610