--- title: How long does plastic last in the ocean? description: How long does plastic last in the ocean? --- [Skip to content](https://take-action.tangaroablue.org/knowledge-base/how-long-does-plastic-last-in-the-ocean#main-content) ![TBF AMDI Logo Pair white](https://take-action.tangaroablue.org/hs-fs/hubfs/TBF%20AMDI%20Logo%20Pair%20white.png?width=400&height=160&name=TBF%20AMDI%20Logo%20Pair%20white.png) - [Events](https://www.tangaroablue.org/events) - [Volunteer](https://tangaroablue.org/volunteer/) Open main navigation Close main navigation - [Events](https://www.tangaroablue.org/events) - [Volunteer](https://tangaroablue.org/volunteer/) - [Contact us](mailto:contact@tangaroablue.org) [Contact us](mailto:contact@tangaroablue.org) How can we help you? - There are no suggestions because the search field is empty. 1. [Marine Debris Knowledge Base](https://take-action.tangaroablue.org/knowledge-base?hsLang=en-au) 2. [About Tangaroa Blue](https://take-action.tangaroablue.org/knowledge-base/about-tangaroa-blue?hsLang=en-au) 3. [The Issue - Marine Debris](https://take-action.tangaroablue.org/knowledge-base/about-tangaroa-blue?hsLang=en-au#the-issue-marine-debris) 20 January 2026 # How long does plastic last in the ocean? ## Plastic polymers are designed to be extremely long-lasting and to resist breaking down. Thus, plastic pollution persists in the environment essentially forever. While items may break up into smaller pieces as a result of exposure to wind, waves, and UV, they do not "break down"(biodegrade). 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