In view of the Ocean Park performing, the differentiation strategy is employed. A differentiation strategy is appropriate to adopted where the target customer segment is not price-sensitive, the market is competitive or saturated, customers have very specific needs which are possibly under-served, and the firm has unique resources and capabilities which enable it to satisfy these needs in ways that are difficult to copy. The Ocean Park differentiates itself through the unique iconic attractions by rare animals and natural scenic environment which other theme park in Hong Kong could not be easily provided. On one hand, the brand "Ocean Park" had already embedded to most of the local residents and foreign visitors, the advertising and branding enhances value propositions and sustainable differentiation is concisely develop with a range of activities uniquely that impact on the customer purchase decision. Furthermore, the overall environment enhances to provide education and conservation to all the attendances. Although new competitors had already entered into the market, however, with the aims of the Ansoff's Matrix (Ansoff. I, 1957), the Ocean Park is recommended to taking action by market penetration and product development to obtain stable and sustainable development.