Port Stephens–Great Lakes Marine Park is located in New South Wales, Australia. It covers a diverse range of marine environments, including estuaries, beaches, and coastal waters. The park is home to various species of fish, marine mammals, and seabirds, making it a vital area for biodiversity. Established in 2002, the marine park aims to protect and conserve its unique ecosystems. Visitors can enjoy activities such as snorkeling, diving, and whale watching, particularly during the migration season. The park also supports sustainable fishing practices, ensuring the health of marine life for future generations.