Abstract: This invention relates to a car storage apparatus in a car carrier having a plurality of stages of car storage decks. The car storage apparatus comprises a car loading port installed at the ship side on one of the decks, a loading/unloading berth extending from the loading port into the ship, elevator shafts extending vertically through the car storage decks, a lifter which is disposed in each elevator shaft and moves up and down with a car being mounted thereon, and conveyors which are installed on the loading/unloading berth, lifters, and car storage decks for transferring a car between them.