The name
Bli Bli is believed to be derived from the
Kabi word
bilai meaning
sheoak tree (
Casuarina glauca). The first Bli Bli post office opened by March 1903 (a
receiving office had been open from 1898) and closed in 1954. The current Bli Bli post office opened on 1 October 1987. The David Low Bridge over the Maroochy River opened in Bli Bli on 15 August 1959. It was named after
David Low, who served as a Member of the
Queensland Legislative Assembly and Chairman of the
Maroochy Shire Council. In March 1972, Fairytale Castle was opened; it was later known as the Bli Bli Castle until it was renamed to Sunshine Castle in 2006. The
Norman/
medieval-style castle was built as a tourist attraction. The castle now houses a medieval museum and serves as an events venue for functions and concerts. Good Samaritan Catholic College opened in 2017. == Demographics ==