Rock Candy Mines

The Rock Candy Mines is an old Mine where several delivery tunnels that used to transport goods to the Candy Kingdom. In "Varmints," it is revealed that Bonnie and Marceline used to roam around the delivery tunnels and spray paint the walls. Marceline also used this route to get Bonnie out of Cheese Kingdom trade meetings.

It is now abandonend and infested with Varmints which Marceline and Bonnibel tried to kill in the episode "Varmints."