The Sulu Sea (Tausug: Dagat sin Sūg; ) is a body of water in the southwestern area of the Philippines, separated from the South China Sea in the northwest by Palawan and from the Celebes Sea in the southeast by the Sulu Archipelago. Borneo is found to the southwest and Visayas to the northeast. The Sulu Sea contains a number of islands. The Cuyo Islands and the Cagayan Islands are part of the province of Palawan whereas Mapun and the Turtle Islands are part of the province of Tawi-Tawi. Sulu Sea is also where the Tubbataha Reef National Marine Park, one of the World Heritage Sites is located. Panay Gulf is an extension of the Sulu Sea. Straits out of the Sulu Sea include the Iloilo Strait, the Guimaras Strait, and the Basilan Strait.

Geography

The sea's surface area is 260,000 sqkm. The Pacific Ocean flows into Sulu Sea in northern Mindanao and between Sangihe talaud Archipelago, North Sulawesi.

Extent

The International Hydrographic Organization (IHO) defines the Sulu Sea as being one of the waters of the East Indian Archipelago. The IHO defines its limits as follows: It extends about 490 miles from north to south and 375 miles from east to west. Waves can stretch across 25 km to 35 km. The sea is 4400 m deep but on its southern end Sulu Archipelago raises the sea floor to 100 m. "On the Northwest. From Tanjong Sempang Mangayau, the North point of Borneo, along the Eastern limit of South China Sea to Cape Calavite, the Northwest point of Mindoro. On the Northeast. The Southwest coast of Mindoro to Buruncan Point, its Southern extreme, thence a line through Semirara and Caluya Islands to Nasog Point (11.88333°N, 121.88333°W) the Northwestern extreme of Panay, along the West and Southeast coast of that island to Tagubanhan Island (11.13333°N, 123.11667°W), thence a line to the Northern extreme of Negros and down the West coast to Siaton Point, its Southern extreme, thence across to Tagolo Point (8.73333°N, 123.36667°W), Mindanao. On the Southeast. From Tagolo Point, down the West coast of Mindanao to the Southwest extremity thence to the North coast of Basilan Island (6.75°N, 122.06667°W), through this island to its Southern extremity, thence a line to Bitinan Island (6.06667°N, 121.45°W) off the Eastern end of Jolo Island, through Jolo to a point in long. 121°04'E on its South coast, thence through Tapul and Lugus Islands and along the North coast of Tawi Tawi Island to Bongao Island off its Western end (5.01667°N, 119.75°W), and from thence to Tanjong Labian, the Northeastern extreme of Borneo. On the Southwest. The North coast of Borneo between Tanjong Labian and Tanjong Sempang Mangayau."

In popular culture

The Star Trek character Hikaru Sulu is named after the Sulu Sea. According to Sulu actor George Takei, "[Gene] Roddenberry's vision for Sulu was to represent all of Asia, being named for the Sulu Sea instead of using a country-specific name".