Therefore, a marketing plan, according to Kotler, is a "written document, which includes the objectives, strategies and action plans regarding the elements of the marketing mix which facilitate and enable compliance with the strategy dictated at the corporate level".
You need to define your location with a description of all advantages and disadvantages. I would include the operating hours and scheduling in this section. You must develop a unique selling point for your business. You will need to provide details about every product/service that you provide and give their features/benefits/values.