In the story, Doraemon, Nobita, Shizuka, Gian, and Suneo set out on an adventure in the Caribbean Sea. Nobita is the captain of the ship and fights his enemies on board. Shizuka gets kidnapped, and a storm impedes their journey. Mini-Dora helps Nobita and friends on their journey. When the adventurers finally find the mysterious Treasure Island, they discover it is more than just an ordinary island!
- Advancing the oceanfront aiming the Treasure Island! What is the hidden truth in the mysterious island?
- Take the Treasure Island by riding the Nobitaora on the Great Ocean! Be careful as pirates wander in the ocean!
- Explore the uninhabited island! Let's fight together using secret tools!