if going by bus: the bus company auto viação 1001 has a scheduled route between rio (novo rio bus terminal) and rio das ostras, with frequent departures from 3.30am until 10.30pm - the bus company auto viação 1001 can be contacted via 4004 5001, via their webpage on this link, or via their contact form here. 

if going by air, the closest airport to rio das ostras is in the nearby town of macaé, and scheduled flights from rio de janeiro are available with trip linhas aéreas - by sea, there are no scheduled routes by sea to rio das ostras but it is possible to get there by private sailboat or yacht.

provided by the state of rio de janeiro, this map shows the state's subdivisions including região da costa verde, região do médio paraíba, região metropolitana, região centro-sul fluminense, região serrana, região das baixadas litorâneas, região noroeste fluminense, and the região norte fluminense.