The present invention is directed to a medical tray system for attachment to a side rail of a surgical table which enables fine control and placement of the medical tray relative to the patient. The pivotal medical tray comprises a base and a shaft having a first end and a second end. The first end of the shaft is joined to the base. A bracket comprising atop edge joined to a bottom section. The shaft extends upwardly and is fastened to the bottom section of the bracket proximate the second end of the shaft, defining a pivot point. The bracket further comprises an arcuate slot in the bottom section. The shaft further comprises a guide extending through said arcuate slot. A tray assembly is joined to the top edge of the bracket such that the bracket and the tray assembly cooperatively and selectively rotate about a pivot axis.