Dalia Alvarenga was 16 when she disappeared from Brentwood, New York on January 2, 2011. She reportedly left home intending to meet a boyfriend who has not been identified and has not been seen or heard from since that day. Dalia is described as a Hispanic female with brown hair and brown eyes, between 5 feet and 5 feet 2 inches tall and about 140 pounds.

The Suffolk County Police Department opened an investigation the day after she was last seen. Beyond the single detail that she left to meet an unknown boyfriend, little information has been released and there have been no major public developments. Her case remains an open and active missing person investigation.

If anyone knew Dalia, saw her on or after January 2, 2011, or has information about who the boyfriend might have been, please share what is known with the Suffolk County Police Department.