His novel "As Flies to Whatless Boys" was the overall winner of the 2014 OCM Bocas Prize for Caribbean Literature. At the award ceremony on 26 April, Antoni pledged to share the US$10,000 prize money with the other finalists, Lorna Goodison (winner of the poetry category for "Oracabessa") and Kei Miller (winner of the literary non-fiction category for "Writing Down the Vision: Essays and Prophecies"). Kei Miller and Antoni were both features presenters at the 2018 Key West Literary Seminar: Writers of the Caribbean.