The Freeport man charged in the crash that killed three family members as they were leaving a Sweet 16 in New Hyde Park pleaded not guilty Monday.
Police say Dante Lennon was drunk when he sped down Jericho Turnpike in May before T-boning the car.
Lennon, 22, now faces multiple charges, including aggravated vehicular homicide and manslaughter.
Three others were hurt in the crash.
If convicted, Lennon faces up to 25 years in prison.
He will be back in court in September.