Abstract: Support platform for wind generators, comprising a central body (5) provided with a seat engaging with a final section (4) of a pillar (1) of a wind generator (2); this central body (5) is connected by means of a series of radial elements (6) to an annular floating structure (7) and provided internally with position-adjusting means (10) cooperating on the one hand with the base of this final section (4) of the pillar (1) and on the other hand with suitable support elements (9), these position-adjusting means (10) being able to receive and contain a given quantity of fluid and vary the height of the wind generator (2) by means of the raising or lowering of said pillar (1).