Sam's Car Wash Self Serve is a local self-serve car wash located in Oxon Hill, serving the Prince George's County and National Harbor area. It provides an economical and safe way to clean vehicles with eight wash bays and strong vacuums available for just $1.00. While it can get busy on weekends, making waits common, customers can use cash or card to purchase tokens for the machines. The facility offers various wash modes, allowing users to customize their car cleaning experience at a cost ranging from $3 to $10. However, some customers have noted that soap is not always available in the bays, which can be frustrating. Hand washing and drying are discouraged during busy times to keep the line moving, but there is parking available for those who want to detail their cars with personal materials. Overall, most reviews describe Sam's Car Wash as a good option for self-serve cleaning, despite some issues with the towel vending machine and customer service.
