Doraemon: Nobita no Takarajima takes the well-known characters to the Caribbean Sea; Nobita is the captain of a ship and fights against his enemies. Shizuka is kidnapped and a storm prevents her persecution. When the adventurers finally find the mysterious Treasure Island, where they have taken Shizuka, they discover that it is something more than a common island.

Nobita no Takarajima is an original story inspired by Robert Louis Stevenson's Treasure Island and commemorates the 30th anniversary of the Fujiko F. Fujio Pro manga production company. The film opened on 381 theater screens throughout Japan and went on to earn 5.37 billion yen in the domestic box office.