This study aims to analyze the influence of product quality, service quality, promotion, and price on customer satisfaction at Claresta Coffee Medan. The rapid development of the coffee shop industry in Indonesia has made coffee not only a beverage but also a part of people's lifestyles, especially students and young people in urban areas. This condition encourages business actors to continuously improve the quality of products, services, and marketing strategies to be able to create customer satisfaction and loyalty. Claresta Coffee, located in a strategic area near a campus in Medan City, faces increasingly fierce business competition, so it is necessary to understand the factors that influence customer satisfaction. This study uses a quantitative approach with an explanatory causal associative research method. The study population consisted of 300 customers of Claresta Coffee Medan. The sampling technique used simple random sampling and the determination of sample size using the Slovin formula with a 5% error rate, resulting in 171 respondents as the research sample. Data collection techniques were carried out through questionnaires, interviews, and documentation. The data obtained were then analyzed using multiple linear regression methods to determine the effect of independent variables on the dependent variable, both partially and simultaneously. The results of this study indicate that product quality, service quality, promotion, and price influence customer satisfaction at Claresta Coffee Medan. Among these variables, product quality and service quality are the most dominant factors in increasing customer satisfaction. The findings of this study are expected to serve as a consideration for Claresta Coffee management in formulating more effective marketing strategies and improving service quality to maintain sustainable customer satisfaction and strengthen customer loyalty in the future.