Blup Blup Island is a small forested island of the northern coast of Papua New Guinea about 30km offshore from Cape Girgir and is considered part of the Schouten Islands. It is located at Latitude S 3°30'46" and Longitude E 144°35'16". The island has a small population and is theoretically part of the Papuan province of East Sepik although officially it is still a protectorate.