The Coca-Cola Billboard in Kings Cross, Sydney, usually referred to by Sydneysiders simply as "The Coke Sign", is an advertising billboard owned by the Coca-Cola Company, which is more often regarded as an iconic landmark than as an advertisement. Commercially, it is considered to be the premier billboard in Sydney and is the largest billboard in the Southern Hemisphere. It is commonly, though incorrectly, assumed to be heritage-listed.
The Coca-Cola sign is located above the intersection of William Street and Darlinghurst Road and is attached to the Zenith Apartments, formerly the Kingsgate Hotel. The sign is often referred to as The Gateway to the Cross, because it is prominently visible from all of William Street, which is the principal road leading to Kings Cross from the Sydney CBD: also, one must pass directly in front of the sign when entering Kings Cross from either William Street or Darlinghurst Road, the two main access roads. The billboard is made up of two parts: on the right, the famous red and white neon sign, and on the left the more modern, flex-faced sign. In total the sign is 41 metres in length and 13 metres in height, with the right sign being slightly larger at 21 metres in length.
The red and white neon sign is made up of eighty-eight vertical bars of red tubing. It also has 800 fluorescent lamps that are concealed behind reflectors that allow the billboard to project thirteen different patterns. The left part of the billboard is a flex-face style sign and is internally illuminated by approximately 1,000 fluorescent lamps. On 18 April 2008 Coca-Cola Amatil (CCA, the Australian Coca-Cola licensee) purchased the iconic sign. The Coca-Cola Company (TCCC) had leased the sign since it was built in 1976. CCA and TCCC agreed to maintain the then-existing leasing arrangements.