In addition to Sakafuneishi which had been known, several pieces of stonework of turtle-shape and coin-shape excavated in 2000 and the other remains found in the surrounding area collectively became known as the Sakafuneishi Archeological Site.
以前から知られている酒船石に加えて、平成12年(2000年)の発掘で発見された亀形石造物と小判形石造物および周辺の遺構を含めて酒船石遺跡と呼ぶようになった。