AbstractSituated between the southern Mediterranean and the Sahara Desert, Morocco has a semi‐arid climate characterized by low and irregular rainfall and a succession of dry years. With demographic and economic growth, the country's water needs are constantly increasing. The desalination of sea water is an option adopted by the government to cope with the drying up of water resources. A number of projects have been launched to secure the country's drinking water and irrigation needs. In this study, the contributions of the public‐private partnership (PPP) set‐up are assessed from the institutional, financial, technical, and management points of view, as well as the contribution of this set‐up to the success of major desalination projects for irrigation. To achieve the objective, the study focused on two desalination projects for irrigation, one in the Chtouka plain and another in the Dakhla area, based on an assessment of the various components of the two projects, and the key success factors for each of them. The study reveals that the PPP arrangement brings several advantages to these desalination projects for irrigation, principally: the participation of the private partner in the financing, the sharing of risks between the two public and private parties, and the sustainable management of the various components of the project. The Dakhla project also offers added value compared with other desalination PPP projects, because it is the first project to be included in Law No. 86‐12 on PPP contracts. At the same time, the PPP structure presents risks in terms of controlling delays caused by external events. Thus, the inauguration of new desalination PPP projects, as part of the Generation Green strategy, is proving to be a relevant solution for guaranteeing additional resources for irrigation and improving the technical, economic, and financial conditions for managing the irrigation water service.