Mariners are advised that corner lease markers will be moved from the corners of lease to the Zone area at Marine Farming Lease 215 from January 2021 to March 2021
| Corner Marker Location | Latitude | Longitude |
| Special mark 1 | 42° 16.061’S | 145° 18.146’E |
| Special mark 2 | 42° 16.307’S | 145° 18.916’E |
| Special mark 3 | 42° 17.031’S | 145° 18.501’E |
| Special mark 4 | 42° 16.785’S | 145° 17.731’E |
Datum WGS84
Mariners should transit with caution in the area.