[Deadline Extended!] Catalina California Naturalist Course Spring 2026
Mar. 3 @ 6:00 pm - May. 9 @ 8:00 pm
$700 – $750
Learn about island ecosystems in Los Angeles County’s largest outdoor classroom. Enroll in the Environmental Stewards Catalina Island California Naturalist Course through University of California and explore one of Southern California’s most unique and biodiverse landscapes. This 9-week hybrid program blends online learning with a 3-day immersive field school on Catalina Island, where participants will experience Island ecology up close.
Expert lectures, guided field explorations and place-based learning will empower participants to gain knowledge on Catalina’s endemic species, restoration efforts and coastal Mediterranean ecosystems. Discover how island systems function as living laboratories for conservation while gaining the knowledge and tools to engage meaningfully in natural resource stewardship.
To participate, your application must be accepted. Interested participants must complete the short application link to be considered. The deadline to submit application is February 20th at 11:59pm. Accepted candidates will hear back on February 9th and receive a registration link with payment instructions.
Cost: $700 for residents and members, $750 for non-members. Scholarships will be available on a limited basis.
Course Schedule:
- Virtual Course (online): March 3 – April 28, Weekly Tuesdays, 6 – 8 p.m.
- Field School: May 6 – May 8, Catalina Island
Course Fee Includes:
- 9 weeks of online course and learning
- 3-day field school on Catalina Island
- 2-night stay at the Wrigley Marine Science Center
- Meals
- California Naturalist Certification
Not Included:
- Ferry ticket
- Required textbook “The California Naturalist Handbook”
- Optional four UC Course credits, $80
*Photo provided by Daniel Fort, former course participant.


