The dockyard is located on the west side of the main building and was built in the 17th year of the Republic of China (1928). It has a single-eave-hipped roof at the front and a rounded roof at the rear, covered with small green tiles roof and a column and tie construction. The dockyard faces east, with a plane shape, a total length of 19.46 meters, a total width of 4.88 meters, a total height of 3.95 meters, and a building area of 84 square meters. There is a board to get in and out of the dock, a platform at the bow, and two steps to the inside. The cabin is surrounded by a red sandstone base on which all wooden posts stand, with a wooden armchair on top of the base between the posts.