Haydée Santamaría committed suicide at the age of fifty-seven in the home she and her children shared on July 28, 1980, two days after the 27th anniversary of the attack on the Moncada Barracks.
Haydée Santamaría suicidouse á idade de cincuenta e sete anos no fogar que ela e os seus fillos compartiron o 28 de xullo de 1980, dous días despois do 27 aniversario do ataque ao cuartel Moncada.