"Admiralty Head Marine Preserve" is defined as waters and bedlands inside a line beginning at the extreme low water line on the west shore of Whidbey Island at 48°09.46'N, 122°40.88'W then northerly along the extreme low water line for 0.6 nautical miles, then due west 400 yards, then southerly parallel to the shore to a point due west of the point of origin, then due east to the point of origin.

"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.

"Colvos Passage Marine Preserve Area" is defined as those waters and bedlands of Colvos Passage enclosed by a line starting at extreme low water on the west shore at 47°20.87'N, thence due east 300 feet, thence southwesterly paralleling the shore for 500 feet, thence due west to the extreme low water line, thence northeasterly along the extreme low water line to the point of origin.

"Discovery 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 Discovery city park, with a southern section located south of West Point bounded on the southeast by a line projected west-southwest from 122°25'31.7" W, 47°39'26.8" N and bounded on the northeast by a line projected west-southwest from the sign posted at the sidewalk entrance to the beach, and with a northern section bounded on the southwest by a line projected northwest from 122°25'20.7" W, 47°40'3.3" N and bounded on the northeast by a line projected northwest from 122°25'4.2" W, 47°40'11.1" N.

"Emma Schmitz Marine Preserve" is defined as those tidelands owned by the city of Seattle and the water column above those tidelands down to 4.5 feet below MLLW at Emma Schmitz city park, bounded on the south by a line projected along the north edge of SW Oregon Street and bounded on the north by a line projected west-southwest from the high tide line at 122°24'26.5" W, 47°33'53.5" N.

"Golden Gardens Marine Preserve" is defined as those tidelands owned by the city of Seattle and the water column above those tidelands down to 4.5 feet below MLLW at Golden Gardens city park, bounded on the southwest by a line projected northwest from a sign at the walkway entrance to the beach, and on the northeast by a line projected due west from 122°24'07.2" W, 47°41'51.8" N.

"Lincoln Park Marine Preserve" is defined as those tidelands owned by the city of Seattle and the water column above those tidelands down to 4.5 feet below MLLW at Lincoln city park, bounded on the south by a line projected due west from 122°23'40.4" W, 47°31'33.1" N, and bounded on the north by a line projected due west from 122°24'05.0" W, 47°31'49.8" N.

"Richey Viewpoint Marine Preserve" is defined as those tidelands owned by the city of Seattle and the water column above those tidelands down to 4.5 feet below MLLW at Richey Viewpoint city park, bounded on the southeast by a line projected due west from 122°24'49.0" W, 47°34'20.2" N, and bounded on the northwest by a line projected southwest from 122°25'8.8" W, 47°34'30.0" N.

"Saltwater State Park Marine Preserve" is defined as those waters, bedlands, and tidelands of Saltwater State Park within a line projected from the northernmost marker at the DNR high tide line through 122°19'39.02"W, 47°22'25.14"N; then to 122°19'44.14"W, 47°22'26.11"N; then to 122°19'45.91"W, 47°22'21.54"N; then to 122°19'40.86"W, 47°22'20.60"N; then to the southernmost marker on the shoreline and back along the high tide line to the northernmost marker.

The following tidal and submerged lands are included within the definition of the "San Juan Islands Marine Preserve Area":

(1) False Bay: The tidelands and bedlands of False Bay on San Juan Island, including all University of Washington-owned tidelands beginning at a marker 400 feet east of the east entrance of False Bay and extending to the entrance of False Bay, all University of Washington-owned tidelands and bedlands within a line beginning at the University of Washington marker on the shore at the east entrance of False Bay, projected 500 yards offshore, thence northwesterly to a point 500 yards offshore along a line projected from a University of Washington marker on the shore at the west side of a small peninsula at the west entrance of False Bay, thence to shore along said line to the marker, and all University of Washington-owned tidelands west of the marker to a University of Washington marker 600 feet west of the small peninsula.

(2) Friday Harbor: Those tidelands and bedlands adjacent to San Juan Island within a line beginning on the shore 500 yards west of Point Caution, thence 500 yards offshore, thence south and east following the shoreline to the intersection with a line projected from a University of Washington marker located 100 feet north of the north entrance of the floating breakwater of the Port of Friday Harbor and projected towards Reid Rock Buoy, thence along said line to shore on San Juan Island.

(3) Argyle Lagoon: Those University of Washington-owned tidelands and all bedlands enclosed by the inner spit of Argyle Lagoon on San Juan Island.

(4) Yellow and Low Islands: All tidelands and bedlands within 300 yards of Yellow Island and 300 yards of Low Island.

(5) Shaw Island: Those tidelands and bedlands within a line beginning at a University of Washington marker on the shore at Hicks Bay, 122 degrees, 58 minutes, 15 seconds west longitude, thence due south 500 yards, thence north and west at a distance of 500 yards from shore to the intersection with a line projected 261 degrees true from a University of Washington marker on the shore of Parks Bay, which line passes just south of the unnamed island at the north end of Parks Bay, thence along said line to the shore of Shaw Island, including all tidelands and bedlands of Parks Bay south of said line.

The "Titlow Beach Marine Preserve Area" is defined as all waters and tidal and submerged lands within a line beginning at the mean high water line at the southernmost point of the Tacoma Outboard Association leasehold, then projected due west to the intersection with the outer harbor line, then following the outer harbor line to a line projected due west from the old ferry dock at the foot of the Sixth Avenue extension, then east on said line to the mean high water line, then following the mean high water line to the point of origin.

"Z's Reef Marine Preserve" is defined as waters and bedlands inside a line beginning at the extreme low water line on the northeast side of Fox Island at 47°14.56'N, 122°35.98'W, then extending 0.5 nautical mile northwesterly along the extreme low water line to 47°14.96'N, 122°36.37'W, then northeast to the minus eighty-five foot depth contour (MLLW = 0 feet) at 47°15.00'N, 122°36.30'W, then southeasterly along the eighty-five foot depth contour to 47°14.67'N, 122°35.81'W, then southwest to the point of origin.