Coords

482.921 -1726.979 for the westernmost border (have yet to decide whether circle or square)
599.240 -1774.402 end of pier
602.337 -1701.559 end of sidepart of pier
522.212 -1782.316 furthestmost point the rocks extend south


west: 482.921
east: 599.240
north: -1701.559
south: -1782.316

Square:
northeast: 599.240 -1701.559
southwest: 482.921 -1782.316