Kapas Island is an island located about 6 kilometers east of Marang, Malaysia, with a smaller island, Pulau Gemia, located north of it. It measures roughly 1.5 by 2.5 km. Its name, Pulau Kapas, refers to the island's white beaches. The island has tropical jungle, clear seawater, white sand beaches and coral reefs in the surrounding waters. It is promoted as a "diving and snorkeling paradise". The island is reached by ferry from Marang. Kapas is the location where most of the research on the enigmatic Amphidromus snails is carried out.