The Corner Inlet Marine National Park is a protected marine national park located in the South Gippsland region of Victoria, Australia. The 1,550-hectare (3,800-acre) marine park is situated approximately 200 kilometres (120 mi) southeast of Melbourne and contains part of Corner Inlet. The park is located adjacent to the Wilsons Promontory National Park and integrally linked to and forms part of an area that has been recognised as a wetland of international significance under the Ramsar Convention.