Tour
© Viator
Other
Catalina Island: Day Trip with Undersea Sub Expedition
Sunday, July 19, 2026
© Tiqets
About
See Catalina's marine life up close aboard a semi-submersible vessel with a climate-controlled cabin. You'll see garibaldi, spotted calico bass, urchins, rockfish, and bat rays as they feed just outside your window. The tour takes you five feet underwater for a clear view of these undersea creatures.
Combine the **Undersea Sub Expedition** with the **Discover Avalon tour** for a complete land and sea adventure. The Avalon tour covers seven and a half miles and offers a detailed history of Santa Catalina Island.
Don't forget to bring your camera!
Combine the **Undersea Sub Expedition** with the **Discover Avalon tour** for a complete land and sea adventure. The Avalon tour covers seven and a half miles and offers a detailed history of Santa Catalina Island.
Don't forget to bring your camera!
Price from
From €226
Secure checkout via our trusted ticketing partners.
More upcoming events at Catalina Island Day Trips
Advertisement
Upcoming events in Los Angeles
Jul
16
Other
The Queen Mary: Entry Ticket
Thu, Jul 16
Jul
16
Other
Santa Catalina Island: Guided Safari Tour
Thu, Jul 16 · 9:20 AM
Jul
16
Other
Sloomoo Institute Los Angeles: Entry Ticket
Thu, Jul 16 · 10:00 AM
Jul
16
Other
Santa Catalina Island: Avalon Guided Tour
Thu, Jul 16 · 10:00 AM
Jul
16
Other
Los Angeles: Luxury Whale Watching Tour
Thu, Jul 16 · 3:00 PM
Jul
16
Other
Yoshiki
Thu, Jul 16 · 8:00 PM
Jul
17
Other
Yoshiki
Fri, Jul 17 · 8:00 PM
Jul
17
Other
Shrek Rave
Fri, Jul 17 · 9:00 PM
Tours in Los Angeles
Frequently asked questions
When is Catalina Island: Day Trip with Undersea Sub Expedition?
Catalina Island: Day Trip with Undersea Sub Expedition takes place on Sunday, July 19, 2026 at Catalina Island Day Trips, Los Angeles.
Where is Catalina Island: Day Trip with Undersea Sub Expedition taking place?
Catalina Island: Day Trip with Undersea Sub Expedition is held at Catalina Island Day Trips, Los Angeles, United States.
How much are tickets for Catalina Island: Day Trip with Undersea Sub Expedition?
Tickets for Catalina Island: Day Trip with Undersea Sub Expedition start from From €226. Use the ticket link on this page for current pricing and live availability.
How do I buy tickets for Catalina Island: Day Trip with Undersea Sub Expedition?
Buy tickets for Catalina Island: Day Trip with Undersea Sub Expedition via the official ticket link on this page — it takes you straight to the seller's checkout. StayNxplore adds no booking fees.