Note:
(a) 港埠營運設施總表. In 港埠設施. 臺灣港務股份有限公司 高雄港務分公司, undated http://kh.twport.com.tw/chinese/cp.aspx?n=2E1724E378C9962D
(depths vary, up to 17.6m)
(b) Port of Boston https://en.wikipedia.org/wiki/Port_of_Boston
("a major seaport located in [ie within] Boston Harbor * * * was originally located in what is now the downtown area of the city, called Long Wharf. Land reclamation [moved and dispersed the port to many locations in the harbor;* * * The port has three areas of activity: cargo, cruises and ferry service. * * * [the state agency Massport] dredged the entrance channel to a depth of 45 feet (14 m) in the mid-1990s")
(c) Port of New York and New Jersey https://en.wikipedia.org/wiki/Port_of_New_York_and_New_Jersey
(Considered one of the largest natural harbors in the world; "The natural depth of the harbor is about 17 feet (5 m), but it was deepened over the years * * * In 2016, the Army Corps of Engineers completed a $2.1 billion dredging project, deepening harbor channels to 50 feet (15 m) in order to accommodate Post-Panamax container vessels")
(d) "Port of Los Angeles's Channel Depth is 53 feet (16 m)." en.wikipedia.org
(e) Yangshan Deep-Water Port 洋山深水港: "depths of up to 15 metres (49 ft)" en.wikipedia.org