Modular pool comprising a support structure placed around a containment basin for the water and comprises a plurality of metal plates, joined together, which comprise a base for resting on the ground, an upright at least partially above ground, and lateral edges provided with a reinforcement flange. The pool also comprises fixing elements fixed to the base of the metal plates and anchored to the ground, a waterproofing layer placed to coat a bottom and a lateral surface of the containment basin, and a surface finish layer placed to cover the waterproofing layer.