MISSING: Brooklyn concertgoer disappears weeks after another man vanished near same venue and was found in creek

John Castic, 27, went missing in the early morning hours of July 29. He was last seen outside the Brooklyn Mirage
John Castic, 27, went missing in the early morning hours of July 29. He was last seen outside the Brooklyn Mirage. Photo credit NYPD

NEW YORK (1010 WINS/WCBS 880) -- A 27-year-old Lower East Side man went missing over the weekend after attending a concert at the Brooklyn Mirage in East Williamsburg—just weeks after another 27-year-old man vanished near the concert venue and turned up dead in Newtown Creek.

According to friends, John Castic left a packed concert by electronic music duo Zeds Dead at the Mirage at 3 a.m. Saturday. He was looking for an Uber to take him back to his home on the Bowery but hasn't been seen since.

An Illinois native, Castic arrived in the city last year for a job as a senior analyst at Goldman Sachs. The NYPD confirmed Tuesday he was reported missing.

His family and friends have posted to Facebook, Reddit and other social media this week in an effort to figure out what happened to him.

John Castic, 27, never returned home to his apartment on the Bowery
John Castic, 27, never returned home to his apartment on the Bowery. Photo credit Handout

The Mirage is a sprawling, open-air events space on Stewart Avenue, a musical oasis in a heavily industrial area on the Brooklyn–Queens border that isn't directly served by the subway.

For Mirage concertgoers, Castic's disappearance is especially concerning because it comes just weeks after a Queens man, Karl Clemente, 27, went missing and was later found dead after visiting the Mirage.

Both men were last seen outside the Mirage at 140 Stewart Ave
Both men were last seen outside the Mirage at 140 Stewart Ave. Photo credit Google Street View

Clemente, a psychologist from Ridgewood, was last seen with a group outside the venue at 10 p.m. on June 11. While his friends were allowed in, he was turned away by security because he'd been drinking, according to EDM Identity. He reportedly left and started walking to the nearest subway station, but at some point he changed course and ended up in a lumber warehouse.

His body was found five days later in Newtown Creek, behind the warehouse and about a half-mile from the Mirage.

According to GMA News Online, security footage obtained by the NYPD shows him running inside the warehouse, where his wallet was later recovered.

Karl Clemente, 27, went missing on June 11 and was later found dead
Karl Clemente, 27, went missing on June 11 and was later found dead. Photo credit NYPD

Clemente's death is not considered suspicious and foul play isn't suspected, police said.

But on a subreddit for electronic music fans in New York, users expressed concern that two men could go missing in six weeks from the same desolate corner of East Williamsburg.

"The way this happened again is very alarming," one user wrote. "We have to lookout for each other."

Anyone with information is asked to call Crime Stoppers at 1-800-577-TIPS.

Featured Image Photo Credit: NYPD