KnowraSulu SeaSulu SeaThe Sulu Sea is a marginal sea of the western Pacific, enclosed by the Philippines, Borneo, and the Sulu Archipelago.BriefConnectSulu Archipelago: An island chain in the southwestern Philippines between Mindanao and Borneo. Its islands form the sea’s southwestern boundary.Sulu Sea Basin: A deep ocean basin beneath the Sulu Sea, reaching depths of more than 5,000 meters. Its depth distinguishes the sea from surrounding shallow shelves.Sulu-Sulawesi Marine Ecoregion: A biologically rich marine region spanning waters around the Sulu and Sulawesi seas. It places the Sulu Sea within a wider conservation and ecological unit.Sulu Archipelago geology: The geological history and structure of the island arc between Mindanao and Borneo. The archipelago’s formation helps explain the sea’s southern boundary.Tubbataha Reefs National Marine Park: A Philippine protected area encompassing the Tubbataha atolls in the Sulu Sea. Its protection demonstrates a national response to reef conservation needs.Palawan: A long Philippine island separating the Sulu Sea from the South China Sea. Its western coast marks the sea’s boundary.Sulu Sea Throughflow: The exchange of ocean water through passages connecting the Sulu Sea with adjacent seas. These flows link the basin to the broader western Pacific circulation.Coral Triangle: A tropical marine region in the western Pacific with exceptionally high coral and reef-fish diversity. The Sulu Sea lies within this global center of marine biodiversity.Sulu Arc: A volcanic island arc in the southwestern Philippines associated with regional subduction. Its tectonic development shaped islands around the Sulu Sea.Sulu Sea marine conservation: Policies and practices aimed at protecting the Sulu Sea’s habitats and marine species. Conservation efforts address pressures from fishing and habitat damage.Show all 28Linked from 10 pagesBack-arc basinBroader topic: Its oceanic basin preserves evidence of past back-arc spreading.Philippine archipelagoRelated: It separates several southwestern islands and connects to the Celebes Sea.MimaropaRelated: It separates Palawan from parts of the southern Philippines and shapes maritime links.East MalaysiaRelated: It borders Sabah and connects the region to maritime Southeast Asia.Puerto PrincesaRelated: Its waters lie east of Puerto Princesa and shape the city's maritime setting.Calamian IslandsRelated: It surrounds the Calamian Islands and links them to maritime routes across the region.Tawi-Tawi IslandRelated: The sea lies north of Tawi-Tawi Island and links it with the wider Philippine archipelago.Show all 10