Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Angra dos Reis (76% of total searches to Ilha Grande). The next most popular destinations are Praia de Aracatiba (14%) and Vila do Abraao (10%).
KAYAK users have found double rooms in Ilha Grande for as cheap as £93 (Praia de Aracatiba) in the last 3 days. The average price is £129.