Membership is a great value and pays for itself in as few as two visits—and now’s the time to take advantage of a special offer! Join or renew today and receive FREE general admission tickets(s).*

Join or renew today and receive FREE general admission ticket(s)* to share with friends and family. Memberships are tax-deductible and can pay for themselves in as few as two visits. With a full year of exciting new exhibits and special events ahead, there’s never been a better time to become a member!

Watch as a diver plunges into one of the deepest living coral reef exhibits in the world. Explore the layers of a rainforest canopy—and the creatures that call it home. Investigate the great mysteries of the cosmos—or the complexities and fragility of our planet’s ecosystems—in our latest planetarium show. Then examine the evidence for evolutionary change while a colony of African penguins frolics nearby. And feel proud knowing that your support makes a vital difference in our efforts to explore and explain the natural world, and to address the challenges of sustaining life on this planet.

member appreciation month

Member Appreciation Month

This October, we’re celebrating members! See the Academy from a new point of view with free members-only animal feedings, guided docent walks through our whales-related collections, live planetarium presentations, and more. Plus, only members enjoy additional store and dining discounts, all month long.


Young boy gazes at a skull at a docent cart.

Exclusive Programs and Events

Find an ever-changing array of members-only programs, events, and exhibit previews. Experience special animal feedings, family nature crafts, planetarium passes and shows, and discounts on lectures. And keep tabs on all of these exciting offerings through Academy member eNews and LIVE publications—and right here on the Academy website.

Woman and child look at African penguins in Tusher African Hall.


Visit the Academy as often as you like and take advantage of special members-only hours: Sundays, 10 – 11 am and Tuesdays, 8:30 – 9:30 am. Your personalized card gives you access to our members-only entrance and gets you through the doors quickly even on our busiest days.

Young boy looks at marine life in the Steinhart Aquarium.


In the Bay Area and around the world, the Academy has touched millions of lives since its founding in 1853. Each new species discovered, biodiversity hotspot protected, science career launched, teacher trained, and environmental steward nurtured plays a vital role in furthering the Academy’s mission. And your membership supports this important work.



Save on a wide variety of Academy merchandise and activities, from shopping and dining purchases to tours, lectures, sleepovers, NightLife, and more.

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Members-Only Hours

Members-Only Hours

Tuesdays: 8:30–9:30 am
Sundays: 10–11 am

Your guest(s) are also welcome during members-only hours—please purchase additional tickets as necessary.

Membership Portal

My Membership Portal

Find your expiration date or update your address—and access valuable member discounts.

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Frequently Asked Questions

How can I upgrade my membership? Are my guests allowed to use the special members' entrance? Find answers to these and other frequently asked questions about benefits, membership cards and more.

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*Free General Admission Ticket Details

Join or renew by October 31, 2015 and receive up to three complimentary general admission tickets to the California Academy of Sciences. Offer available for Individual, Teacher and Senior levels (1 ticket), Family and Family Plus levels (2 tickets), and Associate level (3 tickets). Complimentary tickets are valid for one year from date of purchase of new or renewing membership and have no cash value. Offer is not retroactive and may not be combined with other offers.