A lagoon type swimming pool (10) with skimmer take-up means or similar, comprises a tank with curved or sloping walls formed from an excavation in the ground or from a work above the ground, on which a layer of rubber -like waterproof material, e.g. EPDM synthetic rubber (11) is laid to form the water containing basin, said swimming pool comprising a plumbing system with delivery conduits (12) and return conduits (13) connected to a distribution unit (14) comprising water filtering and antibacterial treatment systems as well as hydraulic pumps for the functioning of the system. The delivery of the water inside the tank is achieved by means of a tubular type distribution system (15) in which the individual conduits are provided with a series of holes furthermore, one or more layers of high porosity or water permeable material are applied over said tubular distribution system (15).
