Washington Revised Code Title 88. Navigation and Harbor Improvements § 88.04.075. Exemptions from chapter

(1) A vessel that is a charter boat but is being used by the documented or registered owner of the charter boat exclusively for the owner's own noncommercial or personal pleasure purposes;

(2) A vessel owned by a person or corporate entity which is donated and used by a person or nonprofit organization to transport passengers for charitable or noncommercial purposes, regardless of whether consideration is directly or indirectly paid to the owner;

(3) A vessel that is rented, leased, or hired by an operator to transport passengers for noncommercial or personal pleasure purposes;

(4) A vessel used exclusively for, or incidental to, an educational purpose; or

(5) A bare-boat charter boat.