It is considered to be part of the Pilbara Coast and Northwest Shelf, and the Carnarvon Basin geologic formation.
The mangrove systems on the eastern margins are areas of high primary productivity feeding and restocking both the Gulf and the nearby Ningaloo Reef.
[citation needed] A proposal for a system of solar salt evaporation ponds stretching more than 30 kilometres (19 mi) along the gulf's south-western coast has given rise to heated debate on possible environmental impacts on the area.
[citation needed] The Gulf and off-shore waters beyond the Ningaloo fringing reef are home to some of Australia's more significant sport fish including marlin, Spanish mackerel, and several sub-species of tuna.
They have been identified by BirdLife International as a 420 square kilometres (160 sq mi) Important Bird Area (IBA) because they support over 1% of the world populations of pied oystercatchers and grey-tailed tattlers, as well as being an important site for the restricted-range dusky gerygone.