|First Appearance||Super Mario Sunshine|
|Latest Appearance||Super Mario Sunshine|
Eely Mouth is a boss in Super Mario Sunshine. It is a giant eel with glowing yellow eyes that looks female on one side, and male on the other. Eely Mouth is the source of the pollution in Noki Bay. It has plaque on its teeth, which is what the goop is on top of the water. Mario must swim down to Eely Mouth and clean the plaque on its teeth, which will stop the pollution in Noki Bay's water, and give Mario a Shine Sprite.