Undersea Expedition (Sea Wolf Semi-Submersible)
Avalon, CA
From $49.95 (2026); ~$57 adult / ~$51 child 2–11 all-in via catalinatours.com; infants free but need a ticket
Curated by Simir Shah
★★★★★4.5(573 Google reviews)
A climate-controlled cabin about five feet below the surface with individual seats and portholes — good for little ones who can't snorkel yet. Boarding involves stairs and ramps, and no food is allowed.
Good for
- Ages 10+
Green Pleasure Pier, Avalon, CA 90704, USA
Hours via Google — confirm before a special trip.
Map
What visitors say
- Dustin B★★★★★
Really neat to see all the fish from under the water! My wife loved this tour! It was also just the two of us so we had the whole boat about 1 pm or so. Of all the things we did, I was very glad we made this one of our tours! We'll gladly go again if we're ever back in Catalina Island! Thank you!
5 months ago
- Jamie Schlosser★★★★★
Our Nautilus semi-Submersible Excursion was a fun and informational excursion with our grand kids. The staff is welcoming and knowledgeable. The Semi-submersible was clean and had lots of space. The kids loved feeding the fish. Great Tour
3 months ago
Showing 2 of 5 Google reviews · Read them all on Google Maps
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