New Super Luigi U: Sparkling Waters-4 -- The Great Geysers

The water spouts become geysers here, meaning they are much larger. You can get the Penguin Suit here. You'll start on solid ground, then you'll have to deal with the geysers. Cheep-Cheep will fly out of the water and drop back down, so be aware of where they are. The first Star Coin is in the second geyser, under some blocks. Wait for the geyser to drop down, then swim quickly to get it. The P-Switch makes Silver Coins appear. Keep going past the Water Piranha Plants and jump up the trees. The second Star Coin is over a tree. The third Star Coin is with a Water Piranha Plant. You can drop down on it if you're powered up, or use a shell to kill the Water Piranha Plant and grab it. The flagpole is nearby.