Examples of Mizu-shiro (castles built on lakes or marshes for defensive reasons) include Takamatsu-jo Castle (in Sanuki province), Imabari-jo Castle, Nakatsu-jo Castle, Takashima-jo Castle, and Zeze-jo Castle (the first three examples given here all appear in the list of the top three castles in Japan).
また水城としては、高松城(讃岐国)、今治城、中津城（以上、日本三大一覧城）、高島城、膳所城などがある。