This article discusses the social construction of culture and inter-ethnic relations within the daily lives of the people of West Kalimantan. Religion and ethnicity have played central roles in the identity dynamics of its multi-ethnic communities; they have also contributed to communal conflicts, with religious and cultural sentiments common throughout the region. Islam has become an important religion in West Kalimantan, as it is practiced by more than half of the province's population. This article explores the local potential of communities and the opportunity to promote better Islamic development in the region's hinterland after the collapse of the Islamic sultanates that had introduced Islam into this region. Data were obtained from t...