In 1728, as part of the Kyoho reforms, Sadayu Sadataka INOUE (the government official of Teppo Kata of the Tokugawa shogunate) established Soshu Hojutsu Chorenjo, a shooting practice field for government officers of Bakufu teppo kata (the gun division of the Tokugawa shogunate) in the seashore from Yanajima Village (the mouth of the Sagami-gawa River) to Katase Village.
1728年（享保13年）-享保の改革の一環で、幕府鉄炮方の井上左太夫貞高が、鉄炮方役人の銃術鍛練の場として、柳島村（相模川河口）から片瀬村までの海岸に、相州炮術調練場を設置する。