Support the Seattle Aquarium and join today or give the gift of membership!MORE >
Explore the beach at low tide with a Seattle Aquarium Beach Naturalist. Trained Naturalists will be at several local beaches. Look for signs at the entrance to the beach. This is a free drop-in program and reservations are not needed.MORE >
Every Thursday-Sunday, May 23–June 30Brought to you by Windows Phone Visit the Windows Phone Photo Spots at our main entrance to receive a complimentary digital family photo and a chance to win other great prizes!
Like many other invertebrates, sea urchins may be vulnerable to increasing acid levels in the ocean. Ocean acidification could interfere with the urchins’ ability to transform calcium, magnesium and other minerals from seawater into their “tests”, spines and teeth.MORE >