The ECOSAL ATLANTIS project was created with the aim of cooperatively attaining integral and sustainable tourism development, based on the natural and cultural heritage of the Atlantic salt-works. List of results: (1) Web portal that brings together inventory information of the geographic data and the cultural heritage of the saltpans of the Atlantic; (2) Evaluation of the biodiversity of the Atlantic salt-works based on a methodology devised jointly, that associates scientific bibliography, space and areal remote sensing and field work; (3) Guidelines for the development of eco-tourism and to propose appropriate means for observing nature in salt-producing sites; ($) Creation of the Route “Traditional Saltmaking: the Atlantic Route” to which numerous organizations, who were not originally part of the project, have now joined from Spain, France, Portugal and the UK.