Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Tondano (33% of total searches to North Sulawesi). The next most popular destinations are Manado (33%) and Tahuna (33%).
KAYAK users have found double rooms in North Sulawesi for as cheap as $11 (Manado) in the last 3 days. The average price is $68.