The Jane Hotel is offering an ­eerie amenity for its hipster patrons on Halloween — a slew of ghosts courtesy of the Titanic disaster, according to history buffs.

In 1912, the Greenwich Village establishment housed more than 100 surviving crew members, mainly British sailors, as they anxiously awaited word on the fate of their comrades after the disaster.

Legend has it that the spirits of the survivors are still roaming the halls of the hotel hoping for news of their doomed friends — and they are especially active on days such as Halloween.

“It’s still a place where shadows and shapes of figures move out of the corner of your eye,” said Andrea Janes, the owner of Boroughs of the Dead: Macabre New York City Walking Tours.

Sometimes the ghosts have been so intense that the hotel’s guests actually flee, according to Brent Pedersen, the founder of the Haunted Manhattan walking tour.

One woman kept hearing a man weep outside her room. She went outside, saw nothing and returned to her room. But the crying continued, according to Pedersen, and she eventually saw a crying sailor staring at her in the mirror.

“At that point, she screamed and turned around to face him,” Petersen said. “But nothing was there. That’s when she checked out. She was done.”

The hotel’s building was once known as the American Seamen’s Friend Society Sailors Home and Institute, a hangout for retired sailors with nowhere else to go.

“It was an alternative to the brothels, taverns, and flop houses they would have otherwise ended up in,” Janes said.

Some of the Titanic sailors, still traumatized from the tragedy, went mad. One allegedly hanged himself. The rooms were so tiny that they recreated the feel of claustrophobic bunks on ships.

The survivors “would wake up screaming in the middle of the night, reliving their nightmares and imprinting their intense energy into the walls, where you can still hear the sobbing, moaning and crying,’’ Janes said.

Today, hotel guests report hearing the sounds of sailors crying. Elevators apparently stop and go of their own volition, and the hotel is filled with cold spots, which are said to be indicative of paranormal activity.