4 links
Exotic Tours
exotictours.com.br
Offers tours within the city of Rio de Janeiro, like to "Favela Rocinha". Also provides adventure tours: hand gliding, rafting, paragliding, and sky diving.
Rio Adventures
rioadventures.com
Adventure expeditions in Rio de Janeiro: hang gliding, parachuting, rafting, scuba diving, hiking, climbing, rappelling and surfing.
Rio for Partiers
crisnog.com
Offers day tours and recommendations about sports, nightlife, and restaurants.
Sailing in Rio
sailing-in-rio.com
Sailboat charters for overnight cruises and day tours in Rio, Ilha Grande bay and Paraty, including trips with some hiking and scuba diving.