In this thesis, the basic terms of the Marketing Plan, which is part of marketing planning, are covered. During the preparation of the paper, all the activities that are carried out for the preparation of the marketing plan are listed. The theoretical part of the work will explain what is needed in order to create a marketing plan, and how planning goals are achieved. Likewise, the practical part of the work will show how the goals of a business entity are set. The goal of a business entity is to achieve a competitive advantage on the market, retain existing consumers and attract new ones, set clear goals and expand business in the future. The paper will present the marketing plan of Astrogarden. Astrogarden is a fun themed arcade that wants to provide the best service and make your visitors happy. Astrogarden has designed content that will bring the universe to children in a special form and make the game fun. Astrogarden playground staff want to provide safety for children and their parents. The carelessness of the parents while the child is in the playroom and the confidence in the professionalism of the staff will make parents happy and they will come to the playroom with their children again. Satisfied parents with the services, space, adaptation to children and staff looking after the child, will recommend the use of playrooms to other parents. If your clients are satisfied, there is a higher probability of using the services again and recommending them to others. The goal of the business entity Astrogarden is to retain its existing visitors and attract new visitors.