Xieyang Island () is a Chinese island in the Gulf of Tonkin, located south-east of Weizhou Island, the largest island of Guangxi. Administratively it, along with Weizhou Island, forms the town of Weizhou, in Haicheng District, Beihai, Guangxi. It is one of the tourist attractions of Beihai.

Geography Xieyang has an area of only and is of volcanic origin. The island may be described as appearing like a goat with its front legs crouched, and so in ancient times was called "".

Environment Along with Weizhou , waters around Xieyang were discovered in 2015 to be seasonally frequented by Bryde's whales, and the area has become the first acknowledged location among mainland coasts of China to have regular migrations of large cetaceans.Bingyao Chen, Lin Zhu, Thomas A. Jefferson, Kaiya Zhou, Guang Yang, 2019, Coastal Bryde's Whales' (Balaenoptera edeni) Foraging Area Near Weizhou Island in the Beibu Gulf, Aquatic Mammals, Vol.45, Issue 3

Xieyang, along with nearby Weizhou, has been designated an Important Bird Area (IBA) by BirdLife International because it supports significant populations of Chinese egrets and fairy pittas.

References

斜阳岛---中国著名岛屿介绍_中国景点网