Mabianzhou jetty of CSPC Nanhai Petrochemicals Project is of typical island-type dolphin berth and with no access way to the land. Mabianzhou jetty is a pile-foundation, butterfly-type layout and open sea terminal, and is mainly used for receiving raw materials of petrochemicals plant. A serial of problems shall be solved for the design of this jetty, such as general layout, power supply, water supply, traffic with land, fire-fighting, communications, landing of submarine pipeline etc. The successful design, construction and operation experience of this jetty can be taken as a reference for similar projects.