Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Kochi (82% of total searches to Kochi Prefecture). The next most popular destinations are Shimanto (10%) and Tosashimizu (6%). Searches for hotels in Sukumo (2%) are also popular.
KAYAK users have found double rooms in Kochi Prefecture for as cheap as $32 (Shimanto) in the last 3 days. The average price is $151.