Yamaira Vivian Montes-Gonzalez was 14 when she was last seen on November 14, 2000, in Yabucoa, Puerto Rico. She was on her way to the school bus wearing a white polo shirt and a plaid skirt. At the time she went missing she was 5 feet 7 inches tall, about 126 pounds, had brown eyes and dyed blonde hair, and was known by the nickname Mayra.

Her disappearance is classified as an endangered missing person case and is listed with NCMEC under case number 1141764. Age-progression images have been produced to show how she might look now, but few other details have emerged and the lack of information has hindered the investigation.

If anyone knew Yamaira, saw her that morning, or has any information about her whereabouts, please come forward and share what you know.