[2] It is named for the presence of many century plants or maguey (Agave americana).

There are buildings on the western end of the island associated with the Department of Marine Sciences, University of Puerto Rico at Mayagüez.

[3] UPR- Mayagüez is an important center in the Atlantic region for the study of tropical marine science due to its location, facilities, and first-rate researchers.

[7] This has turned the island into somewhat of an unofficial bird sanctuary and brown pelicans, cattle egrets, and herons are commonly observed here.

[7] The iguana colony has been used as a research control group for various experiments concerning animal communication and evolution.