Introduction:

Fishermen in Playas del Coco, Guanacaste, Costa Rica, are vulnerable due to the mismanagement of fishing resources and illegal fishing; excluding them from benefits granted by the State. This means that they do not have many options that allow them to grow both economically and socially.

Objective:

Determine a social promotion strategy for people in social exclusion in Playas del Coco.

Methods:

From February to September 2018, participatory action and critical research were applied, through semi-structured and open interview, and participant observation to members of the Development Association, community leaders and fishermen in the area, ranging in age between 17 and 40 years old.

Results:

Theoretical and practical bases were established for an interdisciplinary work between social work, tourism and marine biology through the intervention strategy for fishermen of Playas del Coco based on the Socio-educational Promotional Model and the current situation of the inhabitants was documented.

Conclusions:

The incursion of social science in environmental issues is viable, by social promotion of the inhabitants of Playas del Coco developing sustainable marine tourism through a socio-educational model.