Squid Kids are found in the Mines in Stardew Valley, mainly on floors 81–119 , with the best odds usually on 91–99. They do not spawn in Skull Cavern.

Best place to look

  • Go to the Mines in the Mountains.
  • Focus on lower floors, especially 81–119.
  • If you want faster spawns, try resetting floors by re-entering via the elevator or looking for infested floors.

Quick note

They can shoot fireballs, but they’re generally manageable with a decent weapon and some food.

TL;DR: Head to the Mines, grind floors 81–119, and spend most of your time around 91–99 for the best chance.