1. Attractions: Qinhuangdao Xinao Underwater World is one of the earliest open aquariums in China, with several exhibition halls, including Marine Life Museum, Coral Reef Museum, Jellyfish Museum and Shark Museum. It is a marine theme park integrating eating, traveling, traveling, shopping and entertainment. Shenglan Beidaihe Shenglan Aquarium is a marine theme park integrating marine science popularization, marine culture and marine entertainment. It has more kinds of marine animals, more advanced facilities and more performances, and involves marine education, environmental protection and scientific research. It has more educational significance and social responsibility.
2. Projects: There are some experience projects in the Shenglan Aquarium in Beidaihe, Shenglan, such as dolphin show, jellyfish touch, submarine tunnel and so on. However, the underwater world of Qinhuangdao Xinao is relatively lacking in this respect.
Generally speaking, the two marine theme parks have their own advantages. The Shenglan Aquarium in Beidaihe is of greater significance in education and environmental protection, while the underwater world in Qinhuangdao Xinao is better in terms of play experience. You can choose according to your own interests and needs.