An outdoor shower enclosure that may include a roof and a base frame having a plurality of metal structural members that are connected together to define a peripheral edge with a plurality of mounting plates. A plurality of substantially vertically extending support posts may be provided that extend between the mounting plates and the roof. In some cases, the support posts may be spaced apart approximately equidistant from each other along the peripheral edge. The shower enclosure may include a plurality of vinyl wall panels disposed between the posts. In some cases, a vinyl floor panel could be carried by the base frame.