45 Minute Semi-Submarine Tour of Catalina Island From Avalon

117 Reviews | Catalina Island, USA

Loading Options

45 minutes (Approx.)
Mobile Ticket


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.



What's Included

What To Bring

Additional Info


117 reviews

Average 4.11 out of 5 stars based on 117 verified reviews from Cool Destinations and TripAdvisor

5 stars
4 stars
3 stars
2 stars
1 star
KEVIN_M, Mar 2023 Verified
This tour was Fantastic I didn't expect it to be as good as it was and turn out to be even better I would suggest this tour to everyone well worth it It's not only for Children Adults will love it too?
Ricky B, Feb 2023 Verified
My daughter and I went to Catalina Island for the weekend. This was one of the many things that we did. It was a lot of fun and very educational. The crew on board were very helpful and very informative.
BethCIndio_CA, Jan 2023 Verified
We were originally booked for the Glass Bottom Boat Tour but it was having mechanical issues. A very friendly rep for the company called me the day before and asked if we'd like to switch to this tour. I was skeptical at first worried that some of our party would be claustrophobic but she assured me that we can come down to the dock and check it out and decide if we wanted to continue with this tour or cancel for a full refund. MAN! Am I happy we didn't cancel. With 360 degree views of fish and kelp, this tour was quite the adventure. My kids loved it and there was plenty of room to stand up, move around etc so not a tight space at all. They even welcomed us up on the top deck on the way back to Avalon. In the future, we would book this one instead of the Glass Bottom Tour we have done before.
hobbituallyer, Jan 2023 Verified
There were 8 of us from age 93 to 7 months and we all loved our yellow submarine experience. We saw lots of fish and Victor was so great. He even gave us a restaurant recommend to Buffalo nickel Victor needs a raise he is a great employee. Keep him !
patricia_s, Jan 2023 Verified
Got a good idea of what it was like to scuba dive without getting wet! The tour operators were friendly. Location easy to find.
A1114VMrachelh, Nov 2022 Verified
We had an Amazing time! Going on the Semi Submarine was definitely a unique experience!! I definitely would recommend doing this!!
Blaine_B, Oct 2022 Verified
Amazing quick, easy excursion. Would recommend, especially for kids, they would have a blast, but even adults, such as us, enjoyed this experience seeing fish up close.
Carol R, Oct 2022 Verified
Fun and entertained. It will be even better if more species can be seen. We learned that the awful eye fish seems to be dominant and bully.
Jose_R, Oct 2022 Verified
Had a great time. The crew was great and very attentive to your questions. The views were incredible. I highly recommend the tour.
darrona335, Oct 2022 Verified
Feeding the fish is a must do. The experience was a wonderful way to relax, absorb the beauty of the water below and infuse some tranquility during out stay on Catalina.

Still have questions?

We’re here to help. Call Us, Text Us, or Live Chat to speak with a Cool Catalina Island specialist!
Product code: C-32779P2

Similar Tours & Activities

Catalina Island Undersea Expedition

 45 minutes  Instant Confirmation

Catalina Glass Bottom Boat

 40 minutes  Instant Confirmation

Customers Who Bought This Tour Also Bought

Badge of Excellence This experience is highly rated by travelers and has met our top quality standards.

Private Guided Golf Cart Tour of Avalon

 2 hours  Hotel pickup offered

2 hour Inside Adventure Tour on Catalina Island

 2 hours  Instant Confirmation

Discover Avalon: Catalina Scenic Tour

 50 minutes  Instant Confirmation