A the circumstances surrounding world ports have changed rapidly, Port competition to attract more cargoes is increasing fiercely. Especially, fierce competition to attract the increasing container cargoes has caused main container ports not only to invest enormous fund to modernize its port facilities but also to improve efficiency in port operation and management. But, it is hard to buila differentiation strategy with general port operation according to investing continuously enormous fund into main ports. In this situation, port marketing like 4P mix is of the immediate necessity and in this point, this paper estimated Brand Equity that have risen the core ability of marketing strategy, to transshipment port using Conjoint Analysis. In this analysis result, this paper shows that the brand equity of port significantly devoted to selection of transshipment port. This means that brand of port can attract considerable transshipment cargo. Then it has to induce customer loyalty for this brand extension.