The 81st season of the Campeonato Catarinense began on January 11, 2006, and ended on April 9, 2006.
Divisão Principal
First stage
Second stage
Third stage
The winner of the third stage is crowned the champion. The champion qualify to Campeonato Brasileiro Série C 2006 and qualify to Copa do Brasil 2007
The teams that do not participate in Brazilian Série A and Brazilian Série B will participate in Divisão Especial.
*The first games were played in Team 1 Stadium
Italic: Teams qualify to Final
* The Game 2 was played in Florianópolis, because the Figueirense Futebol Clube had better Punctuation in the two stages (Stage 1 points + Stage 2 points).
* Joinville qualify to Série C, because Figueirense already was qualify to Serie A.
Divisão Especial: 12 Teams
* Marcílio Dias qualify to Série C, because Joinville already was qualify to Serie C
Divisão de Accesso: 10 teams