The Northern Territory government is seeking public comment on the proposed 1.8 million hectare North Kimberley Marine Park.
Minister for the Environment, Albert Jacob, said the proposed park would be the second largest State marine park in Australia.
"While this expansion is significant in its own right, it is the multiple benefits that flow from the new park that is most important," Jacob said.
"The creation of this park provides an exceptional conservation outcome as well as opportunities for growth in tourism."
The park will increase the total area of the State's marine parks and reserves by more than 70 per cent.
The park will be larger than the Great Barrier Reef and seven times the size of Ningaloo Marine Park.
"It will protect a complex variety of marine habitats including unique and globally significant coral reefs, mangrove systems, mudflats and remarkable coastlines as well as dolphin, dugong, turtle and sawfish populations," he said.
"The park will be also rich in Aboriginal culture, with traditional owners having a strong cultural, spiritual and social connection to the area and continuing to practise customary activities."
The proposal forms part of the Northern Territory government’s $81.5 million Kimberley Science and Conservation Strategy.
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