Marine parks are established over tidal lands and waters to protect and conserve the values of the natural marine environment while allowing for its sustainable use.Multiple-use management allows for many different activities in marine parks. Zoning plans set out the kinds of activities that can occur within each area.Marine parks protect a range of habitats including mangrove wetlands, seagrass beds, mudflats, sandbanks, beaches, rocky outcrops and fringingreefs. Marine park boundaries can be established over tidal lands and waters up to the highest astronomical tide. They include the subsoil below and airspace above the boundaries. The plants and animals within the boundary are also part of the marine park.