The production and consumption of plastic has increased in recent years, due to the growth in consumption patterns by the population. Disposable plastics, such as straws, have become part of everyday life. Many of these post-consumer waste end up being disposed of incorrectly and, due to their high durability, they remain in the environment for hundreds of years, which can cause impacts to aquatic fauna. Plastic straws are among the most common waste found in beach cleaning actions around the world. In view of this problem, in several locations of the world, regulations have arisen regarding the prohibition or restriction of the use of this material. In order to evaluate the positioning of the municipalities of the coastal zone of Rio Grande do Sul, in southern Brazil, about this topic, a survey of existing municipal legislation was carried out regarding the prohibition of the use of plastic