YES, WE HAVE CASTLES.

The Batel Castle, in Curitiba, State of Paraná. http://www.castelodobatel.com.br/

The Simões Lopes Castle was built in 1922, in Pelotas, Rio Grande do Sul state. http://www.pelotas.com.br/politica_desenv_economico/ste/atracoes_turisticas/pelotas_cultural_castelo_simoes_lopes.htm

Privately owned by José Ronilson Dantas, the Bívar Castle was erected circa 1984, nearby the Carnaúba River, in the state of Rio Grande do Norte.

The Zé dos Montes Castle sits on top of the Tapuia Hill, in the Rio Grande do Norte state. Built in 1953 by Francisco Quitiliano.

Built in the 20´s, the Itaipava Castle, in Petrópolis, Rio de Janeiro, reproduces the Renaissance castles.

This Moorish castle sits in the city of Rio de Janeiro. It is nowadays the headquarters of Fiocruz Foundation, the most prominent science and technology health institution in Latin America. http://fiotube.icict.fiocruz.br/mediadetails.php?key=d363381c030cb680a1cc&title=V%C3%ADdeo+Institucional+Fiocruz+-+ingl%C3%AAs

The Lacave Château is located in the city of Caxias do Sul, Rio Grande do Sul state, and  is the only castle in Latin America to feature a vineyard.

A man named João Ferreira, 64, from Garanhuns, in the state of Pernambuco, has been building this castle for 17 years out of his passion for luxurious castles he watched on movies, specially El Cid.

A 47 year-old entrepreneur from the state of Pernambuco, Edvonaldo Bezerra Torres, has attached some arab turrets to his dwelling, as well as contours of the outstanding buildings from Barcelona of late 19th century.

The Medieval Villa is a castle which holds a culture complex in São José dos Campos, São Paulo state. http://marcobonito.blogspot.com.br/2007/06/da-cultura-constroi-villa-medieval-mora.html

The Lua Cheia Hostel is a castle with a medieval atmosfphere built on the Ponta Negra beach, in Natal, Rio Grande do Norte state. http://www.luacheia.com.br/

The Ricardo Brennand Institute is a must see in the city of Recife, State of Pernambuco. It holds the Saint John Museum of Arms. Built only six years ago, it has registered over one million visitors so far. http://www.mundomulher.com.br/?pg=17&sec=32&sub=41&idtexto=8584&keys=Museu+de+Armas+Castelo+Sao+Joao

The Pedras Altas Castle, in Rio Grande do Sul state. http://assisbrasil.org/castelo.html

http://www.destinopetropolis.com.br/museu-de-armas/44-5602

Country Club Castle, in Petrópolis, Rio de Janeiro state. http://www.castelocountryclub.com.br/

Castelo Barão de Itaipava, Petrópolis/RJ. http://www.castelodeitaipava.com.br/

With a total built area of 8,000 sq/m, it was originally designed as an exhibit pavillion for agriculture and cattle raising in the early 1900`s. It features an awsome basement. http://www.cataventocultural.org.br/inf_palacio.asp

The Furlani Castle, in Pederneiras, SP
http://www.viajandoobrasil.com.br/castelo-furlani/

Palácio da Ilha Fiscal, Rio de Janeiro. The island became famous for having housed the famous Baile da Ilha Fiscal, the last big party of the Empire before the proclamation of the Republic in November 1889. It now houses a museum of cultural history that is maintained by the Navy of Brazil. http://www.mar.mil.br/dphdm/ilha/ilha.htm

Montebello Castle, in Teresópolis, State of Rio e Janeiro. http://navarandacomlanynha.blogspot.com.br/2011/03/castelo-montebello-teresopolis.html