Join the Trashure Hunt! This year, California Coastal Cleanup Day will become the world’s largest scavenger hunt. Special “trash” items will be hidden at cleanup sites all across the state. If you find one of them, you can redeem it for valuable prizes! Find your local cleanup site and learn everything you need to know about how to participate on the map of cleanup site locations below.
Learn more about the 40 year history of California Coastal Cleanup Day.
City of Antioch
Do you wish to see less litter around our marine? Join the statewide Trashure Hunt on Saturday, September 20th as California’s more than 35,000 volunteers clean up local areas and waterways for Coastal Cleanup Day! This year, California Coastal Cleanup Day will become the world’s largest scavenger hunt!
Special “trash” items will be hidden at cleanup sites all across the state. If you find one of them, you can redeem it for valuable prizes! Register today and be part of Antioch’s group of volunteers at the Antioch Water Park and the Antioch Marina when you click the link in our bio. Let’s keep trash out of our waterways, Antioch
- Saturday, September 20, 2025
- 9:00AM-12:00PM
- Antioch Marina | 5 Marina Plz, Antioch, CA 94509
- Antioch Water Park | 4701 Lone Tree Way, Antioch, CA 94531
- Register to be a volunteer at the Antioch Water Park or Antioch Marina when you visit antiochca.gov/coastal-cleanup or click the link in our bio.
- To find your nearest site, visit coastalcleanupday.org.
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