Abstract: An anchor for a beach umbrella having a canopy and a support post therefore comprising a container having a predetermined hollow, solid geometric configuration capable of being buried in and containing sand, the container including an open top, a bottom and a side wall extending from the open top to the bottom, the bottom having an aperture therein coaxial of a longitudinal axis of the container; a cylindrical member secured in the aperture and extending at least downward from the bottom externally of the container coaxial of an extension of the longitudinal axis to receive an end of the support post; and an arrangement to secure the cylindrical member to the one end of the support post and, hence, to secure the container to the support post. Three embodiments are disclosed, but the compression nut embodiment of FIG. 1 is preferred due to ease of (tool-less) fastening the container to the support post.