Wash. Rev. Code § 79.125.720
In the event there are no state-owned tidelands or shorelands in any city or town or metropolitan park district suitable for the purposes of RCW 79.125.710 and the committee finds other lands which are suitable and needed for parks or playgrounds, the department is authorized to secure the lands by exchanging state-owned tidelands or shorelands of equal value in the same county, and the use of the lands so secured shall be conveyed to any city or town or metropolitan park district as provided for in RCW 79.125.710. In all exchanges the department is authorized and directed, with the assistance of the attorney general, to execute agreements, writings, relinquishments, and deeds as are necessary or proper for the purpose of carrying the exchanges into effect. Upland owners shall be notified of the state-owned tidelands or shorelands to be exchanged.
RCW 79.125.720
Intent-2003 c 334: See note following RCW 79.02.010.