Eighty Mile Beach, to the south of Broome, is a vast expanse of pristine white sandy beach, 220km in length and half way between Broome and Port Hedland. The beach marks the point where the Great Sandy Desert meets the Indian Ocean, and is an important habitat for migratory shore birds, recognised under the internation RAMSAR convention.
Eighty Mile Beach is one of the most important shore bird research sites in Australia, used to monitor the long term health of the population using the East-Asian Flyway.
The beach itself is about 100m wide, with a gentle gradient, and a high proportion of shell grit. The beach experiences a tidal amplitude of up to 9m, and the adjacent mud flats extend inalnd for up to 5km. The climate is semi-arid monsoonal.