Olympic Coast National Marine Sanctuary (marine sanctuary)
Coordinates:
Lat: 48 00 00 N degrees minutes
Lat: 48.0000 decimal degrees
Long: 124 48 00 W degrees minutes
Long: -124.8000 decimal degrees
Note: Located off Washington State's Olympic Peninsula coastline, the Olympic Coast National Marine Sanctuary extends an average of 35 miles offshore and spans 135 miles north to south, stretching from the international border of the United States and Canada to the Copalis River.