The purpose of this study is to investigate the causal relationships among activity involvement, place attachment, and perceived crowed. The selection of activity and site was differed from past research. This study selected the water-based recreation to exam the model. The results show that place identity was positively influenced by attraction and centrality. Place dependence was positively influenced by attraction. Perception of crowed was negatively influenced by place dependence. The results are suggested to be useful references for the managerial sector when setting up their managerial strategies.