Direction Island is located approximately 10 kilometres (6 miles) off the coast of Onslow in the Pilbara region of Western Australia.
[4] Direction Island can be reached by a ferry service operating from the mainland at Onslow or by recreational boats.
Areas of deep sandy soil are found on the island supporting Acacia and Triodia shrubland and coastal heath scrub.
[8] Marine life in the waters and reefs surrounding the island is extremely diverse and includes dolphins, whales, dugongs, stingrays, reef sharks, wobbegongs, crabs, crayfish, squid, octopus, starfish, sea snakes, moray eels, nudibranchs, groper and colourful tropical fish and coral reef fish including fusiliers, lionfish, cardinalfish, batfish and butterfly fish.
Species include spanish mackerel, billfish, sailfish, marlin, wahoo, cobia, golden trevally, giant trevally, queenfish, north west snapper, rankin cod, long tom, coral trout, red emperor, spangled emperor, crimson sea perch, pearl perch, silver drummer and yellowfin tuna.