"Carkeek Park Marine Preserve" is defined as two sections of tidelands owned by the city of Seattle and the water column above those tidelands down to 4.5 feet below MLLW at Carkeek city park, with a southern section bounded on the south by a line projected perpendicular to the beach from 122°22'49.0" W, 47°42'31.7" N and bounded on the north by a line projected northwest from 122°22'47.41" W, 47°42'43.51" N, and with a northern section bounded on the south by a line projected due west from a point 300 yards north of 122°22'47.41" W, 47°42'43.51" N and bounded on the north by a line projected due west from a point 500 yards north of 122°22'47.41" W, 47°42'43.51" N.