The Celebes Sea is a sea of the western Pacific Ocean. It is bordered on the north by the Sulu Archipelago and Sulu Sea and Mindanao Island of the Philippines. It is bordered on the east by the Sangihe Islands chain, on the south by Sulawesi, and on the west by Kalimantan in Indonesia. It is 420 miles (675 km) north-south by 520 miles (837 km) east-west. It has a total surface area of . The maximum depth is 20,300 feet (6,200 m). The sea opens southwest through the Makassar Strait into the Java Sea.