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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 designed fish food torpedo buttons. Designed after America's first nuclear powered submarine, the USS Nautilus, the 45-minute journey is the destination itself as our captain and his crew ventures out on an exploratory mission to the undersea gardens of Avalon Bay.
Service animals allowed
Public transportation options are available nearby
Infants are required to sit on an adult’s lap
Suitable for all physical fitness levels
We are located on Catalina Island, You must secure transportation to the island to take the tour. There are no refunds if you miss the tour
Not wheelchair accessible. Due to uneven surfaces, this tour is not recommended for those with walking disabilities or using a wheelchair
Your tickets will be held at the will-call window for collection on the day of the tour.
Children must be accompanied by an adult
Infants (2 years old and under) must be ticketed on a USCG vessel; fare is free-of-charge but fees apply
You MUST arrive 15 minutes prior to boarding to check in. We leave promptly at the scheduled time and cannot wait. When booking travel to the island please make sure to give enough time from arrival to island to get to tour departure location.
Late Policy: The Nautilus expedition departs from only one location. If you arrive late, we are not able to provide you with a refund. Our tours are scheduled to provide you with the best experience possible, and we are not able to make any exceptions if you are late.
For a full refund, cancel at least 24 hours before the scheduled departure time.
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 sanctuary known as the Lovers' Cove. Equipped with torpedo buttons, adventurers can create a feeding frenzy right from their viewing porthole for an additional charge. On the way back to the marina, enjoy breathtaking harbor views on the top deck of the submarine. Weather permitting, undersea garden tours depart hourly year round from mid-morning until an hour before sunset. **we highly suggest you secure transportation to Catalina island prior to booking tour to confirm you can get to the tour as the boat to the island sells out quickly. Catalina Express or Newport Flyer for your transportation needs.
English guide
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.
560 đánh giá
Tổng số đánh giá và xếp hạng từ Viator & TripAdvisor
Alexandria H,5 thg 5, 2026
- Đánh giá từ Viator
The yellow submarine tour was absolutely amazing. It's great for families couples and children. Dez was very kno and her love and care for the marine life comes through with her narrations. Would definitely rec getting the fish food if you have small children or are like me and a kid at heart.
Kyle M,3 thg 5, 2026
- Đánh giá từ Viator
Really fun relaxed tour. Saw a bunch of fish and enjoyed feeding them. Duration was perfect. Would recommend. Marcus was a great guide and Andy drove our boat well!
Martha L,1 thg 5, 2026
- Đánh giá từ Viator
Well worth it! Saw tons of fish in a unique way. Was just perfect - loved being able to feed the fish with the torpedo (costs extra but worth it).
Tami A,29 thg 4, 2026
- Đánh giá từ Viator
This was a great trip for us with our toddler. We saw tons of fish…the submarine was really neat and pretty spacious. It was an awesome little excursion
Nareh M,28 thg 4, 2026
- Đánh giá từ Viator
Was a great experience! Marcus was amazing explaining everything! So many dishes we saw and the history of the island with fishing fines!
Patricia R,26 thg 4, 2026
- Đánh giá từ Viator
It was just an overall fun experience. Loved that we can feed the fish. Will definitely do it again!


Kemesha C,18 thg 4, 2026
- Đánh giá từ Viator
The best experience! We had a great time. I traveled with my spouse and our 10 year old daughter and we all loved it. Its a fun not to miss activity for both adults and children. We felt so upclose to marine life and the captain did a wonderful job narrating about the species of fish. From the moment we got on board to the moment we arrived back from sea we saw tons of fish! We were seated comfortably with big windows so got to see plenty!! Captain Brad was wonderful!

Leticia C,14 thg 4, 2026
- Đánh giá từ Viator
Excited, excellent service and it's fun. It's a great experience for my family and friends to feed the fish.
Jessica Z,12 thg 4, 2026
- Đánh giá từ Viator
The whole experience was great! You get so see lots of fish of different variety. Submarine was clean and the staffs are very friendly and informative.
David C,12 thg 4, 2026
- Đánh giá từ Viator
Brad did a great job as our tour guide. We enjoyed feeding the fish and learning about their habitat.
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