Introduction to the Three Immortals Island in the East China Sea: Legend has it that Xu Fu was sent by the First Emperor of Qin to lead five hundred boys and girls each to the Three Immortals Island in the East China Sea to search for and collect the elixir of immortality. The Three Immortals Islands are Penglai, Fangzhang and Yingzhou, and Da The Three Immortals Island in the canyon has been reduced in size.