This page of IGN's Super Mario Sunshine wiki features a guide containing information about how to use Blue Coins and features links to help you find every Blue Coin all the areas of the game. What Are ...

Blue Coins are a collectible in Super Mario Sunshine that can also earn you Shines. For every 10 Blue Coins you find in the game, you’ll earn one Shine. As such, if you’re struggling to unlock levels, ...

From the southeast part of the beach, swim around to the back of the building with bars on the windows. Jump and hover through the entrance in the back to grab the Blue Coin. After a few turns through ...