Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Saint Helier (52% of total searches to Channel Islands). The next most popular destinations are Saint Peter Port (27%) and Saint Martin (15%). Searches for hotels in Castel (7%) are also popular.
KAYAK users have found double rooms in Channel Islands for as cheap as C$ 150 (Saint Brélade) in the last 3 days. The average price is C$ 320.