What to do with the eye of isle dalfino in super Mario sunshine?

In Super Mario Sunshine, the Eye of Isle Delfino is a collectible item that can be found in the game. To use it, simply collect it to unlock new areas or progress in missions. Additionally, it serves as a part of the storyline, helping to restore peace to Isle Delfino. Focus on gathering all Shine Sprites and completing various objectives to fully utilize its significance.