A cubicle work space organizer is provided in the form of an accessory support surface having a first portion defined by a shelf with leading and trailing edges and a light transmissible region therebetween and a second portion defined by an outwardly projecting tray with both portions being supported from a cubicle wall by the releasable coupling of a rearwardly projecting mounting bracket to a set of vertically aligned, cubicle wall retention slots to position the accessory support surface between a desktop and a lighting source for selectively removing accessories from the desktop and organizing them on the accessory support surface while enabling the transmission of light onto the desktop through at least a portion of the shelf.