Yangshan Port (Chinese: 洋山港, p Yángshān Gǎng, Wu Yan-se Kaon), formally the Yangshan Deep-Water Port (洋山深水港, p Yángshān Shēnshuǐ Gǎng, Wu Yan-se Sen-sy Kaon), is a deep water port for container ships in Hangzhou Bay south of Shanghai.

[1][2] The port is built on the islands of Greater and Lesser Yangshan, part of the Zhoushan archipelago, with fill from land reclamation.

Connected to Shanghai's Pudong New Area by the Donghai Bridge and forming part of the Port of Shanghai, the islands of Greater and Lesser Yangshan are administered separately as part of Zhejiang's Shengsi County.

The first phase, which opened in 2004, can accommodate 2.2 million containers annually and includes 10 quay cranes.

[citation needed] The fourth phase, which began trial operation on Dec. 10, 2017,[5] will add 4 million Twenty-foot equivalent units (TEUs) to the port's annual capacity.