Open daily with free admission we are dedicated to teaching students & visitors about the oceans, marine life, and environment. Located at the end of Manhattan Beach Pier.
Everyday is Earth Day at the Roundhouse, but join us April 22 and 23 from 10am-7pm for an extra special celebration! This year marks Manhattan Beach’s 25th Earth Day Anniversary. The aquarium will be open for free as usual, but for a donation of $5 per person, you can get a wristband to join in... on 22nd Apr 2017, at
Join us for our 5th Annual 5K Timed family beach run/walk to benefit the Roundhouse Aquarium! All proceeds go to further our mission of ocean and environmental education. The $35 registration fee includes Electronic Timing, Commemorative T-shirt, and Refreshments. There will be an early bird discount this year, so register ASAP. The 1st-3rd place finisher... on 3rd Jun 2017 9:30:am, at North side of the Manhattan Beach Pier
Located at the end of the pier in Manhattan Beach
Call Us: 310-379-8117