Abstract: A water play structure (100) includes a frame base (102), a telescoping hollow frame column (112) supported in a vertical orientation and stabilized by the frame base, and a plurality of frame arms (110, 118). Each frame arm extends horizontally radially outward from, and mounted to, one of the frame base or the telescoping hollow frame column. An outward distal end of a first frame arm includes a first interface structure, and each water play station (108, 202), selected from a plurality of different water play stations, includes a second interface structure. The first interface structure and the second interface structure are standardized mutually compatible interface structures which allow different water play stations to be coupled to, and used with, each frame arm in a modular implementation.