The Bathroom Space Saver and Organizer is a modular unit consisting in part of a prefabricated box frame manufactured from wood, plastic, marble, stone, or other suitable material which can be easily installed in existing homes or new homes to enhance aesthetics and the usefulness of storage in a bathroom. Various storage media, such as toilet paper roll holders, shelving, hooks, sliding drawers and cabinetry may be configured within the box frame to provide an array of storage options for the user. The invention may be preconfigured and manufactured in a variety of dimensions and shapes, including rectangular, square, oval and arched among other possible shape configurations. Decorative trims and other ornamental features may be provided to enhance the design aesthetic.