





Aquariums
Roundhouse Aquarium
📍 Manhattan Beach Pier, Manhattan Beach, CA 90266🕐 Hours
| Monday | 2–7 PM |
|---|---|
| Tuesday | 2–7 PM |
| Wednesday | 2–7 PM |
| Thursday | 2–7 PM |
| Friday | 2–7 PM |
| Saturday | 10 AM–7 PM |
| Sunday | 10 AM–7 PM |
About Roundhouse Aquarium
No-cost ocean & marine life education. This free aquarium sits at the end of Manhattan Beach Pier & is host to classes, parties & camps. Roundhouse Aquarium is completely free to enter with donations accepted, making it one of the few no-cost educational aquariums in California. Rated 4.5 out of 5 stars by 919 visitors.
Quick Facts
- Type
- Aquarium
- Location
- Manhattan Beach, California
- Best For
- All ages
- Focus
- Hands-on marine science education with southern California ocean habitats
- Hours
- Mon-Fri 2PM-7PM, Sat-Sun 10AM-7PM
💡 Did You Know?
- Roundhouse Aquarium is completely free to enter with donations accepted, making it one of the few no-cost educational aquariums in California
- Located at the end of Manhattan Beach Pier, the aquarium offers a unique setting that combines marine education with scenic ocean and sunset views
- The aquarium provides free marine science classes specifically for underserved children and Title I schools, demonstrating a commitment to educational equity
- Features interactive touch pools and hands-on activities where visitors can directly touch and handle local southern California marine life including starfish, anemones, and other creatures
💬 What Visitors Say
- Visit for free admission and plan your pier walk accordingly — the aquarium is located at the end of Manhattan Beach Pier, making it a perfect complementary stop while already enjoying the beach and ocean views.
- Plan visits for weekdays 2PM-7PM or weekends 10AM-7PM to match public hours. Weekend mornings (10AM-12PM) are likely less crowded than afternoon hours, offering a better experience for interactive touch tank activities.
- The interactive touch tank is a key highlight — plan to spend time here engaging directly with sea creatures like starfish and anemones, which visitors consistently mention as the most memorable part of the experience.
- Don't miss the free marine science classes available for underserved children and Title I schools, and check out the Summer Science Beach Camp for deeper educational engagement with local marine life.
- Mark your calendar for Earth Day Celebration (April 25, 10AM-4PM) to experience special ocean science and conservation activities, or volunteer as a summer camp counselor to be part of their educational mission.
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