Meringue Clouds is the sky world of New Super Mario Bros. U. The world lies east of Acorn Plains, Layer-Cake Desert, Sparkling Waters, and Frosted Glacier, northeast of Soda Jungle, northwest of Rock-Candy Mines, and south of Peach's Castle. The world can be accessed by completing the Castle level of Rock-Candy Mines or completing Soda Jungle's secret level. The boss here is Ludwig von Koopa.
The world contains 10 levels, including six normal stages, one Ghost House, one Tower Level, one Castle level, and one Airship level.