Santo Amaro da Imperatriz, or simply Santo Amaro, is a municipality in Santa Catarina located close to the state capital Florianópolis and is connected to Palhoça by BR-282 in the northeast.
The municipality contains part of the 84130 ha Serra do Tabuleiro State Park, a protected area created in 1975. The lushly-forested park protects the sources of the Vargem do Braço, Cubatão and D'Una rivers, which supply most of the drinking water for greater Florianópolis and the south coast region. There are several farms in the municipality. The only urban zone is situated in Downtown Santo Amaro.
