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Look into a mysterious, mesmerizing world where life looms large.

You'll see giant bluefin tuna power their way through the water, while hammerhead sharks, pelagic rays and giant green sea turtles swim just inches away.

The stunning one-million-gallon exhibit is home to one of the most diverse communities of open-ocean animals to be found in any aquarium.

Don't Miss

Join Our New Year's Eve Sleepover!

Ring in the New Year with the entire family at the Aquarium! Celebrate the arrival of 2017 with a sparkling cider toast, sundae bar, photo booth, fun activities, special programs and more! Plus, small bites and beverages will be available for purchase, including beer, wine and kid-friendly drinks.

Meet Our Sleek New Swimmers!

Six new dolphinfish, or mahi mahi, were recently added to our Open Sea exhibit! These acrobatic fish zip around in quick bursts and flash golden green streaks when they get excited. Dolphinfish also grow large—up to 6.5 feet long—quickly (see green sea turtle for scale)!

Building a Future for the Ocean

With your help, we can expand our education programs through our new Center for Ocean Education and Leadership. Please join us in inspiring a new generation of ocean leaders.

Revealing Tuna Secrets

Our Tuna Research and Conservation Center, a partnership with Stanford University, is achieving unprecedented insight into the lives of bluefin tuna. 

View Our Open Sea Curriculum

Our standards-based curriculum has been developed to provide educators with easy-to-use, Aquarium-centered science activities for the classroom.