The objective of the research is to expose the socioeconomic impacts in Tlacotalpan, Veracruz, considering a sudden increase in sea level of 5 meters. The interdisciplinary methodology consisted of locating, territorially quantifying the vulnerable groups that are currently within the danger zone and the second consisted of qual-ifying, through fieldwork, the specificities of the same. the most pressing results were: the municipality of Tla-cotalpan suffered a flood of five meters above sea level, 23% of its territory would be flooded, that is, 133 km2 of its demarcation present a certain degree of socioeconomic vulnerability to sea level rise. With the above, it is necessary to carry out the disaster prevention policy aimed at vulnerable groups. Keywords: Coastal geography, sociocultural vulnerability, economic impact.