Abstract: A variable size, portable above-the-ground swimming pool comprising a frame portion having a flexible liner portion attached thereto. The frame portion includes a plurality of first wall members which are of a first length. Attached to and extending between the top ends of the first wall members are a plurality of rim members. The liner portion includes an upper rim which defines a plurality of horizontally oriented rim sleeves sized to slidably receive respective ones of the rim members. Extending downwardly from the upper rim is a sidewall which defines inner and outer surfaces. Disposed on the outer surface of the sidewall are a plurality of vertically oriented wall sleeves which are sized to slidably receive respective ones of the first wall members, while attached to the sidewall is a floor. The sidewall is of a first height, and is selectively collapsible to a second height which is less than the first height.