聖貝納迪諾海峽
Dalupiri Island lies in the east central periphery of the Philippine archipelago. It is bounded by San Bernardino Strait in the north and east, Samar Sea in the south, and Capul Island in west. It is approximately 5 nautical miles from the Pacific Ocean and sits near the entrance along the Paso de Acapulco, otherwise known as San Bernardino Strait. It has long white sand beach around the island.