Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Takamatsu (85% of total searches to Kagawa Prefecture). The next most popular destinations are Naoshima (8%) and Shodoshima (4%). Searches for hotels in Sanuki (3%) are also popular.
KAYAK users have found double rooms in Kagawa Prefecture for as cheap as C$ 32 (Naoshima) in the last 3 days. The average price is C$ 231.