Coastal communities. According to Baidu map, Building 1 of Xiamen Rongxin Maritime City is located in Haicang District, Xiamen, belonging to the coastal community. Xiamen, referred to as "Xiamen" or "Heron" or "Ludao" for short, is a sub-provincial city in Fujian Province, a city with separate plans, a China Special Economic Zone approved by the State Council, an important central city, port and scenic tourist city along the southeast coast.