3 nautical mile buffer (5.55km) of St Helena Island (SH-GIS-25/1990)

200 nautical mile buffer (370.40km) of St Helena Island (SH-GIS-25/1990) comprising the extent of the Economic Fishing Zone (EFZ) and/or Economic Exclusive Zone (EEZ)

12 nautical mile buffer (22.22km) of St Helena Island (SH-GIS-25/1990)