Police say two people were shot and one person was stabbed near Whispers Cocktail Lounge on North Street in the Town of Wallkill.
Authorities say they responded to a report of an unconscious person just before 4 a.m. on Sunday.
Police say a short time later they learned the three victims had showed up on their own at Garnet Health Medical Center.
All were treated for injuries that were not life-threatening.
Town of Wallkill detectives, state police and Middletown City police were still investigating the incident as of Sunday night.
Anyone with information about the incident is asked to call detectives at 845-692-6757.