Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Davao City (64% of total searches to Mindanao Island). The next most popular destinations are Cagayan de Oro (22%) and Zamboanga City (8%). Searches for hotels in General Santos (7%) are also popular.
KAYAK users have found double rooms in Mindanao Island for as cheap as $11 (Davao City) in the last 3 days. The average price is $52.