COASTWEEKS is an annual celebration of our coastal and water resources, kicked off by California Coastal Cleanup Day on September 17th when tens of thousands of Californians will come together to keep our coasts and inland waterways free of debris.
Below you will find a calendar of events collected from throughout California to help you celebrate COASTWEEKS. The majority of these events are free. Please contact the host organizations for more information and to confirm the details. To add your event to the calendar, please send details by email. This calendar is growing, so check back often!
Have fun, and enjoy our Coast and Waterways!
The list below is organized by county, with events listed by date within each county. Switch to a list organized statewide by date.
Inclusion in this calendar does not necessarily indicate Coastal Commission support of the policies or programs of the organizations, which are independently responsible for their events.
View events taking place in the following counties:
Mariposa Mendocino Modoc
San Luis Obispo
Coastal Cleanup Day will take place at over 800 sites all over California! You're sure to find a location near you. Join your friends and neighbors for the largest volunteer event in California