Download the up-to-date spatial layer from the online CCAMLRGIS (https://gis.ccamlr.org/) and load it to your environment.
See examples for offline use. All layers use the Lambert azimuthal equal-area projection
(CCAMLRp).
Note that this coastline expands further north than Coast.
Sources: UK Polar Data Centre/BAS and Natural Earth. Projection: EPSG 6932.
More details here: https://github.com/ccamlr/geospatial_operations