In the present note, we report on the occurrence of the genus Rhopalurus Thorell, 1898, in the southern Caribbean islands offshore Venezuela. The only published records are from Isla Margarita and Los Roques, but our study of new specimens (including an important collection assembled by the late Pieter Wagenaar Hummelinck) proved this genus to be widely distributed along several archipelagos such as Los Testigos, Los Frailes, and Los Hermanos, as well as the larger, separate islands of Margarita, Cubagua, La Tortuga, and Coche. These specimens are tentatively referred here to Rhopalurus laticauda Thorell, 1876, but their precise identity still warrants further study.