Infamous Fyre Festival promoter Billy McFarland may have neglected to budget for toilets, but he still managed to drop more than $150,000 on a yacht for the band Blink-182, according to documents obtained by The Post.

McFarland — who’s facing wire fraud charges and a rash of civil cases over the nightmarish music festival in the Bahamas that ended up serving cold cheese sandwiches and forcing guests to live in tents — shelled out $160,000 for the planned headliner’s perk last April, according to his bank statements and a federal source with intimate knowledge of the case.

McFarland’s due in Manhattan federal court Tuesday, where he’s pleaded not guilty to charges he defrauded the doomed event’s investors.

Blink-182 still pulled out amid concerns they wouldn’t have what they needed to perform, and soon after, the event — billed as an exclusive chance to rub elbows with models — descended into chaos. Would-be concert goers who spent big bucks on tickets were instead met with partially constructed tents, cellophane-wrapped sandwiches, and no lavatories.

The same documents show that despite the lack of running water, the impulsive entrepreneur spent $18,208 on towels, and another $260,000 on carpet for the much-mocked tent city, which had a pricetag of around $470,000.

“There was gross mismanagement and a general misunderstanding of how events like this unfold and that purchases weren’t being vetted,” said the source, who referred to McFarland as a “millennial gone wild.”

“At no point in time if you look at the big picture does it appear that there was ever a criminal element,” he added. “It was just the idea of a 20-something who unraveled.”

The source added a true fraudster would have absconded with the funds, saying, “The moral of the story is that no one looking to dupe consumers goes and purchases such benign products at tens of thousands of dollars. Instead, they would take the money and run.”

McFarland didn’t return a message Monday.