Haunted Shipwreck

Haunted Shipwreck, or , is the Ghost House course of Sparkling Waters in New Super Mario Bros. U. It is based off the Sunken Ghost Ship from Super Mario World. It is unlocked via completion of Giant Skewer Tower and its own completion unlocks Above the Cheep Cheep Seas and Urchin Shoals.

Layout
Unlike the other Ghost Houses in the game, this one takes place in a ruined ship, and some sections are underwater. The course contains many hidden walls and secrets, including a secret exit. Boos and Circling Boo Buddies are recurring enemies in this course.

Star Coins

 * Star Coin 1: In the first area, hidden within the floor where the door resides.
 * Star Coin 2: In the room with the Circling Boo Buddies, above a group of them.
 * Star Coin 3: In the room which consists of hidden walls, one platform above the entrance door.

Secret Exit
In the same room where the third Star Coin resides is an Arrow Sign. Above it is a door that leads to the secret exit. This unlocks Skyward Stalk.

Enemies

 * Boos
 * Circling Boo Buddies
 * Fishbones
 * Ghost Question Blocks