The Pantanal is the best place to see jaguars in Brazil. With luck, you see jaguars at one of the many Pantanal lodges and will definitely see lots of other wildlife. If you are especially keen to jaguars some lodges offer special trips which significantly increase your chances of seeing these impressive beasts. Additionally, Porto Jofre is a river town in the northern Pantanal where there are boat trips with high chances of jaguar sightings.