A portable table system for mounting within a vehicle to provide a workspace within the vehicle is disclosed. The vehicle has a passenger side and a driver's side, and the system is mounted on the passenger side of the vehicle. The portable table system includes a base plate, a lower portion of a support post attached to the base plate, a bracket attached to an upper portion the support post, and a pair of parallel rails attached to the bracket offset from the support post. The portable tables system further includes a table attached on top of the pair of parallel extension slide rails and a drawer including a first portion having a second table and a second portion having a compartment. The drawer is slidably attached beneath the table such the elongated drawer moves between a first position and a second position.