Eil Malk or Mecherchar is the main island of the Mecherchar Islands, an island group of Palau in the Pacific Ocean. In a more narrow sense, just the southeastern peninsula of Mecherchar is called Eil Malk. It is located 23 kilometers southeast of Koror near the fringing reef of Palau. This densely wooded island has the shape of a letter Y, is up to 6 km long and 4.5 km wide. There are more than 10 small lakes on the island. Most well known is the Jellyfish Lake in the east of the island.