It is bound by the Kinmen Islands and the Taiwan Strait.

[2] The water depth around the bay range from 6 to 25 metres and has a deep water coastal area of 30 km.

[4] The bay has numerous port, transport infrastructure, shipbuilding and petrochemical industries.

[5] The local government has set up various development areas such as the Xiamen Bay Photoelectric Industrial City to promote economic development.

[5] Due to rapid economic development and industrialization in Xiamen, the bay has been tested for traces of heavy metal contamination.