Actually "Chao Phraya River" itself is a large natural area that could be act like a green space. People way of life used to relate with river, but nowadays people are no longer relying on the river anymore. It seems that we have exclude the river and the people in the way we have developed the city and river. This is the time for revitalize the river and give it back to people. “Floating Park” could be an opportunity. Not only for increasing green space, but it will bring people back to the river. The floating park freely surf on the river and can go to different places. Simultaneously, it is easy to define different theme of the park for creating more attractive and environmental friendly. It will become a waterfront area for everyone. It can be playground for children, sports venue, urban farm, exhibition hall, performance stage, theater, and creative space for people to express their ideas. Create a contemporary culture "on the Chao Phraya River” This Floating Park could be a signal or a message of the opportunity to tell the society that barge could be another option for increasing green of the city. It can lead people to appreciate the river, and simultaneously get benefits from it. It also would be the platform for the visitors to see the magnificent scenery along the river, and to visit the waterfront local community to explore more about Thailand’s traditions and culture. Finally, if the government, citizens, and private institutions cooperate with each other much more. It could be possible for revitalizing Chao Phraya River in a sustainable way in the future.