itaipú flats - pousada morro das andorinhas, rua amizade, 364,  niterói, has a guide on staff and they can be contacted via their website or via email here - by phone, at 21.3027.0961 or 21.2609-5288.

itacoatiara cama e café, for ecotourism in general,  rua das margaridas, itacoatiara, 264, niterói,  can be contacted via their website, or via phone at 21.2609.3946 or 21.9131.9889.

located in the nearby maricá, the pousada do holandês, on rua serramar de itaipuaçú, 19 maricá, has a few eco-guides on staff -  they can be contacted via their website or emailed on this link, while by phone, they can be reached at 21  2638.9243 or 21 8662.2065.