Shenzhen Tourism Information Center is located in the southeast corner of Happy Harbour close to OCT Carnival Square. It is the first domestic city-level tourist information center built by Shenzhen Municipal Bureau of Culture, Sports and Tourism and OCT Group. This pyramid-shaped building constructed from white irregular diamond frame based on "natural growth of architecture" design concept according to the terrain creates a unique landscape architecture with "walking on the roof like the ground". It becomes one of Happy Harbour landmark building landscape.
OCT Wetland is located in the northern area of Happy Harbour Project and is an important component of Mangrove Wetland of Shenzhen Bay. Covering an area of about 685000 square meters, with water area of about 500000 square meters, it has nearly 40000 square meters of mangrove wetland as well as many primary animals and plants.