Aramburu Island

A 17-acre man-made atoll transformed into sustainable bird habitat.


Aramburu Island was created in the early 1960s by dumped dredge spoils and fill from nearby development. After years of work, Richardson Bay Audubon and its partners, including Marin County Parks, successfully improved aquatic, wetland, and upland habitats here for a range of local species, stabilized the rapidly eroding eastern shoreline, and helped the island and surrounding communities become more resilient to sea level rise. There are no amenities and Aramburu Island is only accessible by boat

Learn more about the Aramburu Island Enhancement project. 

Get Involved

The best way to visit Aramburu Island is by joining a volunteer workday. Volunteer workdays are fun, educational, and open to the public. Help plant native vegetation, remove invasive species, maintain irrigation systems, and take part in citizen science monitoring at Aramburu Island. Check the calendar for dates.