Dempster Inlet is a coastal estuary within the Fitzgerald River National Park in Western Australia's Shire of Ravensthorpe. It is part of a larger estuarine system that includes Fitzgerald Inlet, Charles Bay Lake, and Hamersley Inlet. The inlet features wide, arcuate beaches backed by dunes, and the coastline offshore holds ancient submerged tree stumps, remnants of an old coastline that is of cultural significance. For paddlers, the primary access is via the coastal walk trail system, which passes along Trigelow Beach and connects St Mary Inlet to Dempster Inlet and Hamersley Inlet, suggesting potential launch and landing points along these beaches. The area is exposed to the Southern Ocean, meaning paddlers must be prepared for significant wind exposure and fetch, with onshore winds creating safer conditions for kayaks close to shore while offshore winds can generate rougher conditions. The region is managed as a national park and falls within the Mamang Maambakoort Marine Park, indicating that standard marine park regulations apply. The paddling experience is characterized by remote, undeveloped coastline with no facilities, requiring complete self-sufficiency. Wildlife and natural features include the culturally significant submerged forest and the expansive beach and dune systems connecting the inlets.