Aquariums

Roundhouse Aquarium

Name: Roundhouse Aquarium
Address: Manhattan Beach Pier, Manhattan Beach, CA 90266, Manhattan Beach, CA, US
Telephone: (310) 379-8117
Rating: 4.5

★★★★☆ 4.5 (919 reviews)

📍 Manhattan Beach Pier, Manhattan Beach, CA 90266

📞 (310) 379-8117

🌐 www.roundhouseaquarium.org

Visit Website 📍 Get Directions

🕐 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

⭐ Want to stand out? Get featured ⭐

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.