About the Roundhouse

Stop by and experience the wonders of our local marine life!

Located at the end of the Manhattan Beach Pier, the Roundhouse Aquarium serves as Oceanographic Teaching Stations’ (a 501(c)3 non-profit) educational facility. Inside are both viewing and touch tanks each displaying a brilliant selection of marine fish and invertebrates! There’s also a kid’s area with books and puzzles.

Public Hours

April to September:

Mon-Fri: 2PM – 7PM
Sat-Sun 10AM – 7PM

October to March:

Mon-Fri: 2PM – 5PM
Sat-Sun: 10AM – 5PM

Non-public hours are dedicated to teaching classes and maintenance. (hours subject to change due to weather, pier closures, and private events) Please “like” us on Facebook for up to date changes on our hours or activities

Holiday Hours

December 24: 10AM-2PM
December 25: CLOSED
December 31: 10AM-5PM
January 1: 10AM-5PM


The Roundhouse is FREE! However, your donations allow us to operate this wonderful facility. Donations of $2.00 per person and $5.00 per family are suggested.


Metered parking is available at the base of the pier for $1.25 per hour (bring quarters).

More about us

Learn more about the Roundhouse by viewing our annual report.  Find out what we did last year, and what we hope to do next.

View a video to learn more about the Roundhouse and what we do.

Meet the Team

We Love The ocean and know a lot about it! Come and meet our team.

Eric Martin
Valerie Hill
Brittney Olaes
Dawn Eyre-Martin
Holly Suther
David Lantos
Cody Martin
Juan Lopez
Isabella Gaw
Marissa Lee-Velarde Wu
Sarah Lagerlund

Board Members

John Roberts
Board Member
Lynne Gross
Board Member
Charles “Chuck” Milam
Board Member
Dick Fruin
Board Member
Hillel “Hal” Cohn
Board Member
Matt Friedman
Board Member
Susan S. Bloomfield
Board Member
Paul Konwiser
Board Member
Mark Burton
Board Member

Let’s Connect on Facebook!

Help the cause by liking our Facebook page!

Visit us on Facebook

Come Visit Us!

Located in  Downtown Manhattan Beach

Call Us: 310-379-8117

Write Us a Note!

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