Circle K at 3600 W 38th Ave, Denver, CO, US is a convenience store and gas station known for its premium quality fuels and wide variety of products. The location has a dedicated team that consistently provides fast and friendly service, making customers feel welcomed and appreciated. Many reviews highlight the exemplary service from team members who go above and beyond to ensure customer satisfaction, despite challenges like staffing and management issues. The store is clean, and while prices are average, the standout aspect is the kindness and politeness of the staff, making it a favored stop for many. However, there have been complaints about the restroom being out of order for several months. Overall, Circle K is recognized for its excellent customer service and a positive shopping experience, with a loyal customer base that values the hard work of the employees.