The location in Rua Goncalves Dias is the main branch of this cafe. Downstairs there is a sandwich/salad/cakes kind of place, which is excellent. Upstairs is a more formal restaurant called Cristovao, which really needs reservations. It's fairly pricey and far more formal, although not necessarily shirt-and-tie formal.Our favorite branch, though, is in the Forte de Copacabana. It has the same menu as the lower cafe, in a super location at one end of Copacabana Beach. You can sit outside and watch the entire length of the beach. You have to pay to go into the fort—just tell them you're going to the Cafe Colombo. It's only 2 reals to get in for an extremely pleasant place to have lunch. There are great salads and sandwiches.