The wall-mountable device for convenient and compact storage of an automatic pool cleaner and related hose sections. The wall-mountable device includes a body which has a shelf portion with a substantially-vertical upper surface sized to receive the pool cleaner, a back-edge portion having a substantially-vertical surface securable to a wall, and hose-mounting portion(s) which has substantially-horizontal ledges defining open-sided notches. Each ledge is size to receive and support a hose section for uncoiled vertical storage.