Pio Island is an island in the Solomon Islands province of Makira-Ulawa. It is situated 4 km north-west of Ugi Island. It is 2.7 km long and 1.5 km wide. The island has no villages.Coral reef surrounds the island, which is largest in the west and south of the island.
Coordinates: 10°10′S 161°41′E / 10.167°S 161.683°E