Waterspout Beach, or Sparkling Waters-1, is the first level of Sparkling Waters in New Super Mario Bros. U. It is unlocked via completion of Morton's Compactor Castle, and its own completion unlocks Tropical Refresher. Waterspout Beach is based off Course 3 of New Super Mario Bros. Mii.
The level begins near a pair of palm trees, with a Hidden Block containing a 1-Up Mushroom located above the taller tree. A Waterspout is found, along with a Huckit Crab. Another Huckit Crab follows, and is located on top of a Waterspouts. A section of the level above a pool of water follows, with Waterspouts and Warp Pipes acting as platforms. A ? Block containing a power-up is found above a pair of Waterspouts. A Huckit Crab is found on a Warp Pipe, and is followed by Waterspouts with Piranha Plant in between them. A section of ground with a Huckit Crab and a ? Block above palm trees follows. Bridge platforms and Waterspouts are used to cross the water, and a Red Ring is located above one of the Waterspouts. A row of Waterspouts with Piranha Plants is followed by the Checkpoint Flag. More Waterspouts and Huckit Crabs are located past the Checkpoint Flag. A Warp Pipe leads to an area containing a Clampy with a 1-Up Mushroom in its mouth. More Waterspouts and Piranha Plants are found in the section leading to the Goal Pole.
- Star Coin 1: In plain sight, players should jump off a Waterspouts to reach the first Star Coin.
- Star Coin 2: Shortly after the first Star Coin, players should freeze a Huckit Crab with the Ice Flower and toss it through the Waterspouts to reach the second Star Coin. Otherwise, players can freeze a nearby Cheep Cheep and use it as a platform to reach it.
- Star Coin 3: Players should use the POW Block when the Waterspouts rise to safely collect the third Star Coin.