Paper Mario and his pals adventure across a bunch of different exciting locales in Paper Mario The Origami King. One of these locations you'll have to reach is Diamond Island, hidden away on the Great ...

This places Diamond Island at the center of the four islands, which is space D3 on your Sea Chart. Sail to that location, and you’ll discover that there is nothing but the huge expanse of the water.

Find the hidden location of Diamond Island with our complete Great Sea puzzle guide. The Great Sea is the most open-ended area of Paper Mario: The Origami King yet! That makes it even trickier than ...