Abstract: An improved swivel glider chair and support base structure therefor are disclosed. The support base includes channeled leg retaining block members that cooperatively sandwich and retainably grip a plurality of support legs in radially extending manner about a base axis. Base height adjustment is provided by a plurality of spacer blocks that can be selectively incorporated when constructing the base to vary the height of the seat portion of the chair to accommodate the chair user. A full race ball bearing swivel assembly provides increased stability to the assembly.