Castro Marte studied philosophy and theology at the Pontifical Catholic University in Santiago de los Caballeros.

[2] He was ordained a bishop on 26 August 2017 by the archbishop of Santo Domingo Francisco Ozoria Acosta with the co-consecrators being Rafael Leónidas Felipe y Núñez and Andrés Napoleón Romero Cárdenas.

[1] On 31 May 2020 Castro Marte was appointed by Pope Francis as the new bishop of Higüey.

[3] He was installed as bishop of Higüey at the Basílica Catedral Nuestra Señora de la Altagracia on 28 July 2020.

Due to COVID-19 pandemic the event was streamed live with limited in-person audience.