哥斯达黎加共和国（西班牙语：La República de Costa Rica）是一个位于中美洲，墨西哥湾沿岸的国家。Featured in the episode "Rainforest Shmainforest" when some of the students of South Park Elementary went with the singing activist group "Getting Gay with Kids" in order to learn about the rainforest.
Cost Rica translates to English as Rich Coast for it vast rainforest and scenic views of the Caribbean bay. The activist tour group arrive in the capital San Jose and meet with the President who assigns the class a tour guide for their exploration. The class meets a local tribe and encounters many dangerous wildlife and a guerilla army. At the end of the tour the group learns that the rainforest is dangerous place and would be better for people to build towns and farms in its place.