I was in Ubatuba for 5 days and lucky enough that I found about Gelateria Pistache through my…read morehostel (stay at Green Haven Hostel, amazing guys running it). I ended up going there four times because it was that damn good and tried several flavours. Don't be shy, the staff are friendly and will let you sample if you ask. Pro tip - do one flavour at a time. So fresh and flavourful and cheap (6 reals for a single scoop). I tried pineapple, pistachio (amazing), maracuja (passion fruit) yoghurt and a chocolate nut one. You can't go wrong! Definitely check it out if you are in town.

Right along the canal, at the ferry point and right before the entrance to the beach and boat port…read moreof Frade. They offer a number of delicious ice cream flavors with a few different daily flavor options. I like their fruit flavors the best, especially the fruit flavors that are unique to Brazil, like cupuaçu, jabuticaba, jaca and pitanga. The flavor is awesome and you can really taste the natural fruit with even little pieces of fruit in it. This kiosk has a nice dockside covered seating area, perfect for an after boat ride snack.