Stardust is only found on Dream Island, making it one of Pokopia's less accessible resources. Plan a dedicated trip when your supply runs low. It's used in 1 recipe, so grab extras when you can.
A material found on Dream Island
Raw Material
Dream IslandAll Dream Island Types
ShopPC Shop
You can craft Star Piece using Stardust. These 1 recipes are mostly Key Item items that help fill out your island.
1 recipe
Star PieceKey Item
Stardustx99