Black Sails was renewed for a fourth season before the third season had aired.
Black Sails (TV series) . On July 26 , 2013 , Starz renewed the show for a ten-episode second season , which premiered on January 24 , 2015 . The series was renewed for a third season on October 12 , 2014 , and a fourth season on July 31 , 2015 , both before the respective previous seasons had premiered . On July 20 , 2016 , Starz announced that the series ' fourth season would be its last ; the season premiered on January 29 , 2017 , and the series concluded on April 2 , 2017 .