PDFRCW 79.125.110
Tidelands and shorelands—Effect of replat.
A replat of tidelands or shorelands platted shall be in full force and effect and shall constitute a vacation of streets, alleys, waterways, and other dedicated public places, when otherwise permitted by RCW 79.125.200, and the dedication of new streets, alleys, waterways, and other public places appearing upon the replat, when the replat is recorded and filed as in the case of original plats.