The Moreton Bay Marine Park was established in 1992 to protect ecologically significant habitats in Moreton Bay. The World Heritage listed park extends from Caloundra south to the Gold Coast Seaway. The park's border extends up to the highest tidal mark and covers a total of 3400 km2.
The park provides protection to sensitive reef sites near Tangalooma and Flinders Reef. It includes waterways such as Coombabah Lake, mangrove forests, swamps, marshes, tidal mudflats, sandflats and seagrass beds. It is a temporary home to migrating shorebirds that inhabit wetlands. Dugongs, whales and turtles swim in the waters of the bay.