Catalina Island Semi-Submarine: Underwater Viewing Adventure

Dive into Catalina’s underwater world on the SS Nautilus semi-submarine. Experience marine life up close without getting wet. Book your adventure now!

Duration: 45 minutes
Cancellation: 24 hours
Highlights
  • Catalina Adventure Tours - Explore the Catalina Island’s amazing undersea gardens by venturing on an exploratory mission aboard the semi-submersible SS Nautilus. Designed after the USS Nautilus, America’s first nuclear powered submarine, this 45-minute 6-feet underwater journey departs from the Green Pier and will cruise to a marine preserved…
What's Included
  • English guide
What's Not Included
  • Fish food offered at additional charge during tour. Cash only.
  • Travel To Catalina Island is not included in ticket price. Tour is located on Catalina Island.
  • Transportation needed by Ferry to Island -Catalina express or Newport Flyer to get to Island.
Additional Information

Come aboard Catalina Island’s newest semi-submarine, the SS Nautilus, and enjoy a deep sea adventure 1,000 leagues beyond your imagination. The main attraction of this unique vessel allows six feet underwater viewing while staying dry so eager seafarers can get up close and face-to-face with schools of fish anticipating treats fired away from custom…

Location
Green Pleasure Pier
Welcome to Catalina! Find us at the Green Pleasure Pier. Check in at our booth at the end of the pier—our ride boards just behind it! Bring your sense of adventure!
Cancellation Policy

For a full refund, cancel at least 24 hours before the scheduled departure time.

Customer Ratings
4.3
(430 Ratings)
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Mayra_d
May 12, 2025
Must do with kids! - It was a great experience, I travel with 4 young kids, it was worth the cost! It was very memorable for the kids!
Review provided by Viator
Daniel_v
May 7, 2025
Fun times to be had - It's just a great experience! It's fun for the entire family. Shooting the food cannons really bring the fish. Buy some for some fun
Review provided by Viator
Virginia_s
May 7, 2025
Almost like swimming with the fish - Engaging experience observing fish up close especially as they rushed to feed. We were able to trigger food “shots” from the sub. Very comfortable and with an open top for sun and fresh air. The guide was great and enthusiastic!
Review provided by Viator
Breannea2024
May 5, 2025
Kids love it - This activity is such a good time! They are knowledgeable about the types of fish that you see. Bring cash to feed the fish!
Review provided by Tripadvisor
Z9244dpjuliap
May 4, 2025
The singing captain - The female singing captain really cracked everyone up thank you so much for such a fun experience. I’ll tell everybody about it.
Review provided by Tripadvisor
Juliahj6460gg
May 1, 2025
Lots of Fun! - My husband and I did this tour and loved it. I’ve never done anything like this, and can only compare it to the submarine ride at Disneyland. Except in real life… We were able to take lots of photos and videos, which turned out great. And feeding the fish was really fun. I would definitely recommend this.
Review provided by Tripadvisor
M5392dzelizabeths
May 1, 2025
A great fisherman with fun tales great fish on tour of sub ride. THANK YOU !1 - Excellent little fun ride thru the SEA KELP. I feed the fish nice pictures and adult and children fun. Well worth the time and money. RICH and Brad Wonderful job !! Have a great summer the Lobster boys are coming to town !!
Review provided by Tripadvisor
Anthony_d
Apr 29, 2025
Under the Sea in the Yellow semi submersible Submarine! - Austin and Jill a great team. Thanks for guiding the vessel Austin! Jill thanks for the lively and entertaining commentary and laughs! Very beautiful views and memories from Under the Sea in the Yellow Semi Submersible Submarine!
Review provided by Viator
596emii
Apr 29, 2025
Informative and Fish-tastic - Captain Rich and Jill were phenomenal. Even as adults, we were very pleasantly surprised at how informative and entertaining the ride was. Jill was incredibly friendly, energetic, and professional; she was also very knowledgeable, and we learned a lot of new things about the ocean ecosystem. We were also delighted to see so many fish! It was a very enjoyable experience!
Review provided by Tripadvisor
J7249zadennisw
Apr 30, 2025
Fun feeding fish - It was fun feeding the fish. I would highly recommend buying the fish food torpedo experience. It was fun to see the fish go wild! Brad was a great tour guide!
Review provided by Tripadvisor
From $53
up to 9 guests
1 - Adult
Cancellation: Free cancellation up to 24 hours before the start of your experience (local time).