Dedicated to teaching students & visitors about the oceans, marine life, and the environment.
Located at the end of Manhattan Beach Pier
Manhattan Beach, California
Open to the public free of charge
Suggested donation: $2 per person or $5 per family
(for holiday hours or changes due to weather or classes, please click on the Facebook link above)
Please click the links above to find out more about our programs, including class field trips, volunteer opportunities, summer camp, and more!
Our 1st Annual Roundhouse Aquarium Fun Run for the Oceans is coming June 8th, World Oceans Day. Find out more and register here!
The last day to register and guarantee your t-shirt size is May 27. You can register up until race day, but your correct t-shirt size may not be available.
May is Marine Mammal Month at the Roundhouse! Read our new displays to find out more about our amazing cousins of the sea! We have fun facts, displays, and photos. Don't forget to Like us on Facebook (click link above) for fun posts throughout the month, you could even win a prize for answering some of our trivia.
Join us for our FREE Sea Story Time every Sunday at 11:30am. This month we will be reading books about marine mammals and making a cool craft each Sunday.
Our annual report for last FY 2011-2012 is now available online. Please click here to read about our accomplishments and plans for the future.