There are more than 40 reclamation cases in Indonesia during these 10 years. The classical purpose of reclamation addressed for increasing the benefit of natural resources and community welfare, but in fact in some cases it contributes the environmental problem and social conflict. Benoa coastal bay is one of the proposed to be reclaimed by private sector and had declined by most local people. The aims of this research are analyzing the sustainability of marine and coastal resources in Benoa coastal bay reclamation site based on environmental dimension. This research is conducted using quantitative multi-dimensional scaling (MDS) approach for assessing the sustainability of marine and coastal resources. The assessment result shows that the reclamation will made the environmental less sustainability (49,88% out of 100%). Further consideration is needed if the reclamation is still planning to be implemented in Benoa coastal bay.