Despite the colossal mess, a police spokeswoman said the students had been relatively well-behaved and there were no arrests.
Police were called to a student flat on the street about midnight on Saturday, following a complaint made about loud music.
She said Dunedin City Council noise control staff attended, but were unable to get the music turned down.
"They had a bit of push-back from the occupants — the students argued with them — so police were called."
Later, a student was taken home by police following a "disorder incident" on the corner of Dundas and Castle Sts, at 1.45am yesterday, she said.
"There was nothing to suggest anyone was injured or anything like that."
A Fire and Emergency New Zealand crew from Willowbank Station was called to the street about 3.15am, to extinguish a couch fire.
The police spokeswoman said the incident was just another instance of "good old-fashioned partying gone feral".
