Built in: end of 14th century.
Chigasaki Castle has 4 baileys: main, north west and east.
Originally, there were only two baileys in this castle. In 15th century, it was extended two more baileys and dry moat. This was constructed by Uesugi clan.
In 16th century, Hojo took over this castle and built more moats and wall to make it stronger.