An objective of the beach wagon is to provide users with a 3-in-1 outdoor accessory. In order to accomplish this, the beach wagon provides a multifunctional structure which can be utilized as a normal wagon as well as a beach chair. The beach umbrella configuration of the beach wagon further enables the attachment of an umbrella to provide a beach chair and umbrella combo. The structure of the beach wagon provides a foldable frame which can be configured into a wagon configuration or a chair configuration. Further, the foldable frame of the beach wagon enables easy and compact storage in the back of a vehicle. Additionally, the beach wagon is equipped with wide sand tires, and accommodates various secondary attachments such as cup holders, coolers etc. Furthermore, a modular wheel system of the beach wagon allows users to use different size and type of wheels.