Sardine Reef is a pinnacle and reef dive site in the Dampier Strait, Indonesia. It is reached by boat and rated for advanced divers, with a maximum depth of 30 metres. It can be dived year round, from January to December. Giant trevally and schooling fish are resident, and divers often recall being surrounded by fish. Reef sharks, whitetip reef sharks and bottom sharks are occasionally seen, along with seahorses and pipefish and nudibranchs.