Astrolabe Bay is a large body of water off the south coast of Madang Province, Papua New Guinea, located at . It is a part of the Bismarck Sea and stretches from the Cape Iris in the south to the Cape Croisilles to the north.
Astrolabe Bay is a large body of water off the south coast of Madang Province, Papua New Guinea, located at . It is part of the Bismarck Sea and stretches from Cape Iris in the south to Cape Croisilles in the north.