The ocean has a great function for the entire ecosystem and is the habitat for many seas organism and is also a crucial factor for the survival of humankind. An immense amount of waste is being produced increasingly each year, and its impact which comes mostly from the mainland is endangering the marine ecosystem. Plastic waste that brings about a lot of challenges presents the greatest threat. Its longevity within the marine environment is becoming a large problem and is having an impact on different sectors: agriculture, tourism, fishing etc. The problem is the disposal of the existing waste. A lot of individuals have different opinions and interests, so they refuse to dispose of the waste in an economically sustainable way and, as a result, the waste is spreading exponentially and carried by the wind through other means finds its way to the seashores and eventually to the bottom of the ocean. As well many sea creatures are endangered because of the plastic items. To reduce amount of plastic waste, different conventions and guidelines have been formed and created to prevent sea pollution as well as proceedings for prevention of harmful impact and sea waste to the environment.