1. the area of sea below mean high water springs enclosed by a line starting at the point at (57.33973°) 57°20'23"North latitude (−6.09459°) 6°05'41"West longitude; then south and east to (57.31469°) 57°18'53"North latitude (−6.0709°) 6°04'15"West longitude; then west, north and east along the shoreline to the point of the beginning.