From the harbour in the center in Niteroí, you can take a boat to Rio da janeiro. Many people go this way when they work in the metropolis Rio da Janeiro. It takes about 30 minutes to get there and from there you need to take a taxi or a bus.
when you arive in rio(1) chanage mony on the 2 floor termal at bank of brazil (take bus to niteroi you get the buss for niteroi on 1 floor of air port 996 or soomthing (the buss co is 1001
very possiable the best in brazil to niteroi get off at end very the first beach hotel