Abrégé
A device (1) is provided for the stabilization of a beach umbrella (4) on any type of ground (5), said beach umbrella (4) comprising a shade cloth (40) and a pole (41) for the supporting of said shade cloth (40), and supporting means (11, 101) of said beach umbrella (4) onto said ground (5), and is characterized by the fact of comprising: first fixing means (10, 12, 13, 14, 10, 100, 102, 103, 104, 105, 106) of said device (1) on said beach umbrella (4), covering means (2, 3) associated with said supporting means (11, 101), and second fixing means (21, 31, 201, 301) for the fixing of said covering means (2,3) to said supporting means (11, 101).