DisneySea is one many Tokyo theme parks, it’s one of a kind and opened in September 2001 in Urayasu, Chiba just outside Tokyo. It is located right next to Tokyo Disneyland in the Tokyo Disney Resort and is accessible on the same train network. DisneySea was celebrating it’s 15th anniversary while we were there. We were very restricted time wise and were only able to visit DisneySea. We chose DisneySea purely because it is the only one.