It is unlawful to use marine areas and marine facilities for commercial purposes or for commercial watercraft to use such areas or facilities, except where done pursuant to permit issued by the city manager or his or her designee. For purposes of this section, “commercial watercraft” means watercraft used for any commercial purpose but shall not include a watercraft operated under a concession lease with the city. (Ord. 4480 § 11, 1993; Ord. 4071 § 1, 1989.)