The Cocinetas Basin is a small onshore sedimentary basin of approximately in the northeasternmost part of Colombia. The northernmost onshore sedimentary basin of South America is clockwise bound by the Serranía de Jarara, the Macuira Fault separating the basin from the Serranía de Macuira, the Tucacas or Tortugas and Cocinetas Bays as part of the Gulf of Venezuela and the Serranía de Cocinas (in older literature referred to as Cosinas), separated by the Cuisa Fault.