 Excavations at the Puerto Ferro site by Luis Chanlatte and Yvonne Narganes uncovered a fragmented human skeleton in a large hearth area.Radiocarbon dating of shells found in the hearth indicate a burial date of c. 1900 BCE.This skeleton, popularly known as "El Hombre de Puerto Ferro", was buried at the center of a group of large boulders near Vieques's south-central coast, approximately one kilometer northwest of the Bioluminescent Bay.