The state of Victoria has safeguarded around 5.3 percent of its coastal waters. Legislation establishing 11 marine sanctuaries was enacted in June 2002. Victoria is the world’s first jurisdiction to establish a complete network of highly protected marine national parks at the same time.
References:
https://www.marineandcoasts.vic.gov.au/marine/marine-national-parks-and-sanctuaries
https://www.scubadoctor.com.au/marine-protected-areas.htm
https://vfa.vic.gov.au/recreational-fishing/recreational-fishing-guide/waters-with-fishing-restrictions/marine-waters-closed-to-recreational-fishing/restricted-areas-marine-national-parks