This sea, while reaching abysmal depths beyond 5000 meters, is nonetheless surrounded by continental shelves and margins. And there's even a linear extension of the shallows protruding up from the south and containing the Spratley and Paracel Islands. It contains the two arms: the Gulf of Tonkin and the Gulf of Thailand. It is part of the Pacific Ocean.
north, from the northeast of the sea
northeast, between Fujian and Taiwan
northeast, east of Taiwan Strait
east, from the northeast
east, from the northern South China Sea
east, from the center of the South China Sea
southeast
southwest from the eastern of the two southern extensions of the sea
south
southeast, from the western of the two southern extensions of the sea
southwest
northwest, from the southwest of the sea
west
northwest, from the north of the sea
north, from the north center of the sea