In recent years, there has been a growth in the number of urban parks managed by public-private partnerships. It is generally agreed upon that such parks enhance the value of the areas in which they are located. However, the existence of for-profit facilities carries the possibility of counteracting an essential aspect of parks, “publicness.” The purpose of this paper is to clarify the relationship between buying behavior at for-profit facilities and preference of seating location of individuals in a park with for-profit facilities. A behavior observation survey was conducted in Kitaya Park to analyze the relationship between whether a visitor purchases anything at the for-profit facility and opts to take a seat in the park. Furthermore, the factors affecting this relationship were also analyzed. The results show that whether the seating place was visible from the for-profit facility was related to the visitor’s purchase at the for-profit facility in the park. This relationship appeared when a food truck was not present in the park or when the park was crowded. This study suggests that visitors who have not purchased anything at the for-profit facility may be relegated to the confined spaces of a park under certain conditions.