Dragoneel's Undersea Grotto

Dragoneel's Undersea Grotto, or Sparkling Waters-5, is the fifth course of Sparkling Waters in New Super Mario Bros. U. It is unlocked via completion of Above the Cheep Cheep Seas or Urchin Shoals, and its own completion unlocks Larry's Torpedo Castle.

Layout
This course introduces Dragoneel, a gigantic sea serpent that follows the closest player, to a degree. Baby Dragoneels are found in the sub-area with the third Star Coin.

Star Coins

 * Star Coin 1: In plain sight, with coins circling it.
 * Star Coin 2: Between two groups of Brick Blocks.
 * Star Coin 3: Almost submerged in quicksand is a Warp Pipe that leads to the area with the final Star Coin.

Enemies

 * Dragoneel
 * Baby Dragoneels
 * Eep-Cheeps