All vessels approaching or within the Sacramento marina shall be operated in a safe and prudent manner and in no event shall the entrance to the Sacramento marina be blocked by general boating activities or fishing. The speed of any vessel within the Sacramento marina shall not exceed three miles per hour. No person shall operate a vessel upon the waters of the Sacramento marina in such a manner that the speed thereof creates an unnecessary or excessive wake, or interferes with the operation of any other vessel. (Ord. 2006-059 § 1)