The whole Ibiuna territory encompasses rainforests, bushes, and hundreds of kilometers of native vegetation and wildlife.

The municipality contains part of the 488,865 hectares (1,208,010 acres) Serra do Mar Environmental Protection Area, created in 1984.

[5] The population is mostly situated outside the metropolitan area (15,000 inhabitants in the city and approximately 65,000 in the suburbs) and is a mix of Portuguese Colonialists descendants, Italians, Germans and Africans — as mostly any part of the country, Ibiuna is a mix of races and cultures.

Once a year, the city held the famous "São Sebastian festival" party celebrated for nearly a century to reaffirm the faith of town's divine intervention by St. Sebastian during a Spanish influenza epidemic (the celebration occurs every year during the last weekend of May).

[7] The company is currently an operator of cell phones, fixed lines, internet (fiber optics/4G) and television (satellite and cable).