Underwater wall
Wallpaper
Underwater wall is a wallpaper. Source: Crafting. You can't buy it, but it sells for 8,600 Bells. It is crafted from a DIY recipe using 3 Summer shell and 5 Coral. Happy Home Academy themes: ocean. Only available during summer shells.
Where to get it
- Crafting: Make it yourself at a DIY workbench once you know the recipe and have the materials.
DIY recipe
3× Summer shell, 5× Coral
Learn it from: Balloons