Accommodation
Hotelinho Urca Guest House
Room: ~120 EUR/day
Rua Marechal Cantuária 10, URCA
500m from CBPF
Acapulco Copacabana Hotel
Room: ~110 EUR/day
Rua Gustavo Sampaio 854
1500 m from CBPF
Mercure Botafogo Mourisco
Check accor site: www.accorhotels.com
Room: ~110 EUR/day
Rua da Passagem, 39 Botafogo
1300 m from CBPF
Hotel Diplomata Copacabana
http://www.hoteldiplomatacopacabana.com.br/
Room: ~95 EUR/day
Praca Demetrio Ribeiro 103
1000 m from CBPF
For ther young people, theere are many Hostels, which can be found at the Booking.com site or at http://www.hostelworld.com/hostels/Rio-de-Janeiro (or other hostel sites).
You have to look for the districts Botafogo or Copacabana.