This report delves into the critical aspects of marketing and customer retention within the hospitality industry, using Starwood Hotel as a case study. It begins by exploring the marketing mix, encompassing product, price, place, promotion, people, process, and physical evidence, and how these elements contribute to achieving marketing objectives. The report then analyzes customer relationship programs, specifically focusing on Starwood's Preferred Guest program, outlining its characteristics and features, such as Starpoints, membership rewards, complimentary benefits, and extra facilities, and the reasons behind its success. Finally, it proposes strategies for the development of loyalty programs, including partnering with more airlines, providing more privileges, offering customization, prioritizing regular guests, and providing gifts, to enhance customer retention and foster long-term customer relationships. The report concludes by emphasizing the importance of both marketing and customer retention strategies for sustained success in the competitive hospitality sector.