Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Samarinda (49% of total searches to East Kalimantan). The next most popular destinations are Balikpapan (37%) and Pulau Maratua (14%).
KAYAK users have found double rooms in East Kalimantan for as cheap as $66 (Samarinda) in the last 3 days. The average price is $82.