* Lvl 2, blue coin on top of tree
* Lvl 3, There's a blue coin in pointy grass to left by tree.
* Lvl 3, M by pack has blue coin.
* Lvl 3, M on green structure with mushroom on top by lake. blue coin.
* Lvl 3, blue coin from putting out guy that's on fire over to right.
* Lvl 3, blue coin in lava by 3 mushrooms in little fenced in areas
* Lvl 3, M under bridge - blue coin
* Lvl 3, 2 triangles - one on long wall other by tree long palm tree. Very easy going from palm tree.

* Lvl 6, blue coin in drive stream bed to far right.
* Lvl 6, behind shine - M with blue coin

* Lvl 8, Up in mushroom tree, shoot blue bird - blue coin.

Super Mario Sunshine Walkthrough