Undersea Expedition: Catalina Island Tour
Overview
Available languages
45 minutes
Mobile ticket
Come face-to-face with Catalina's abundant marine life on this 45-minute underwater excursion. Cruise five feet below the surface in a spacious, climate-controlled cabin with a live guide suggesting salient points of interest. Every passenger has their own seat and port hole but you are also free to roam around the cabin for other viewpoints.
Additional Info
Public transportation options are available nearby
Infants are required to sit on an adult’s lap
Suitable for all physical fitness levels
Restrooms are not available while on tour, but are available at the base of the Green Pleasure Pier, so please use before check-in
Please check your email through Viator for your confirmation number and tour information
Cancellation Policy
All sales are final. No refund is available for cancellations.
What To Expect
Catalina Expeditions Tours
Boat By
Green Pleasure Pier
Tour starting location Gate C
What‘s Included
Live commentary on board
Gratuities
Options
Undersea Expedition: Catalina Island Tour
Reviews
110 reviews
Total reviews and rating from Viator & Tripadvisor
It was a good experience,...
Asmau B,Mar 29, 2026
- Review from Viator
4.00It was a good experience, I would recommend cleaning the glass from the outside for better view and maybe offering more options in terms of time. Maybe if we go a bit far away from the Island we will see more fish variety.
Disappointed
sisys2026,Mar 24, 2026
- Review from Tripadvisor
1.00Definitely not what I expected. Felt like disneyland submarine ride is longer. We barely rode away from the island and only saw 3 different type of fish. I was very disappointed.
Great Way To See the Kelp Forest and Fish That Live There
ThomasTCat,Mar 21, 2026
- Review from Tripadvisor
5.00Unless you are into scuba diving, this probably the best way to see the Kelp Forest and some of the abundant marine life that live in the waters of Catalina Island. The vessel is clean and comfortable, and they take you to where the underwater inhabitants are, and then they feed them. Watching the activity and the many species of fish that gather around is amazing. We were fortunate that it wasn't crowded, and we were able to see through the large portholes on both sides. The beautiful orange garibaldi fish are the highlight of this underwater adventure. Several minutes before we were ready to dock, the members of the crew told everyone to go up on deck so that we could see the beautiful coastline of Catalina Island before disembarking.
Fun and entertaining
Safari676295,Mar 14, 2026
- Review from Tripadvisor
5.00Guides were knowledgeable and friendly. The trip was awesome! Lots of fish to watch. Can get a peek at that underwater life and a boat ride!
FANTASTIC
bevb316,Mar 11, 2026
- Review from Tripadvisor
5.00This is the reason I come to Catalina EVERY year for my birthday!!🎂🎉🎊. EXCELLENT job that this excursion tour will bring to you!!! We go to Lovers Cove which has been protected since 1960 from fishing of ANY KIND!! The Tour guides chum the fish & HERE they COME🙏🏻🙏🏻🐠🐟🐡Fish of EVERY KIND!!! I love our California state fish the Garibaldi💗!!! Really a GREAT experience!!!
Better than advertised
DebraorAlex A,Mar 7, 2026
- Review from Viator
5.00It was worth every penny. So often you pay for an excursion and don’t see the whale, but we saw SO many fish!! And it was gorgeous. The boat was spacious and comfortable and the captain and guide were friendly and knowledgeable. I would recommend it to anyone.
Ho-hum tour
Robert W,Feb 8, 2026
- Review from Tripadvisor
3.00Saw many of the same 2 kinds of fish. Nothing special. Maybe if you have never been to the ocean before it would be of interest.
Amazing Excursion
Donya H,Feb 7, 2026
- Review from Viator
5.00This was an amazing experience for all age groups. The captain and Jaxon was very friendly, kind, professional and knowledgeable of the species of fish. My family truly enjoyed the excursion and highly recommend it.
Unique Underwater Adventure
Ionela B,Feb 7, 2026
- Review from Viator
5.00Great submarine tour! It was a unique and exciting way to see marine life underwater. The crew was friendly and explained everything clearly. Highly recommend this experience!
Amazing Experience
Autumn S,Jan 6, 2026
- Review from Viator
5.00Wonderful view and very polite and informative operators. They told us about the history of glass bottom boats and of the preservation efforts. A wonderful experience all around!
From US$53.45
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Operated by Santa Catalina Island Company