The bay is entered between the Sơn Trà Peninsula and the Hải Vân Mountain, 4 miles Northwest.
[4] It offers good shelter at all seasons for vessels of any size.
[5] The bottom of the bay is mostly sandy, while some areas have corals and rocks.
A layer of mud is immediately above this sandy bottom, making up 80% of the bay's floor.
[4] The port of Da Nang is located in the bay at the mouth of the Hàn River.