Two people set up a makeshift home at a former Marine Corps hangar in Irvine, police said, decorated with disco lights, a fog machine and what appeared to be a recording studio.
Officers discovered the elaborate, club-like scheme Friday morning after following up on trespassing activity in the Great Park area, Irvine police said in a Facebook posts.
The two people staying in the space had been cited multiple times for trespassing, but on Friday police discovered the elaborate setup, with car batteries powering the party equipment.
According to the police, the area was furnished with, among other things, a sofa and a television.
Irvine police also said they found several items in the hangar that appeared to have been stolen from Irvine residents, including 11 bicycles and several spools of copper wire.
An illegal M-800 firework, two air rifles and drug paraphernalia were also seized, according to the post.
Joshua Micheal Rosario, 29, and Patricia Lynn Ratliff, 53, both of Anaheim, were arrested.
Rosario was charged with pre-existing warrants for several charges, according to Irvine police, including burglary and drug possession. Ratliff was arrested on suspicion of trespassing and prior arrest warrants.