A modular bottle rack system which includes a plurality of rack components. Each of the rack components may include a first receptacle and a second receptacle facing in opposite direction. The rack components may have S-shaped transverse cross-sectional areas. The rack components may also include connection features designed to enable the various rack components to be coupled together. The rack components may be able to be stacked with each rack component nesting within the rack component above and/or below. The system may also include mounting brackets for mounting the bottle rack to a wall in various different configurations.