Cozy Indoor Outdoor Furniture
In ground umbrella base
If you like to hide the mounting of your cantilever umbrella then this option if for you.
If your purchased Cantilever as part of a renovation or if you want to hide the mounting in the ground or garden, this method might be what you want. You can purchase the inground mounting base. It requires about 7 bags of quickset concrete, full instructions can be downloaded here. Inground-Base-install PDF. It is considered the second most stable way to mount your umbrella.