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Experiences


Catalina Island: Day Trip with Undersea Sub Expedition
Begin a semi-submarine tour and explore undersea Catalina life. Includes ferry, optional city tour and hotel pickup.
9 hrs 30 mins
Free cancellation
Instant confirmation
Mobile ticket
Summarised reviews
Catalina Island: Day Trip with Undersea Sub Expedition is available to book on tickadoo. No visitor ratings yet.
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Summarised reviews
Catalina Island: Day Trip with Undersea Sub Expedition is available to book on tickadoo. No visitor ratings yet.
Customer reviews
How do we collect reviews?
Summarised reviews
Catalina Island: Day Trip with Undersea Sub Expedition is available to book on tickadoo. No visitor ratings yet.
Customer reviews
How do we collect reviews?
Summarised reviews
Catalina Island: Day Trip with Undersea Sub Expedition is available to book on tickadoo. No visitor ratings yet.
Customer reviews
How do we collect reviews?
Highlights
Experience marine life on a semi-submersible adventure
See dynamic fish and sea creatures up close
Upgrade with the Discover Avalon city tour for a deeper Catalina experience
Enjoy a climate-controlled viewing cabin underwater
Includes roundtrip Catalina Express ferry
What’s Included
Hotel pickup and drop-off from selected hotels
Roundtrip Catalina Express ferry ticket
40-minute semi-submersible vessel tour
Optional 40-minute Avalon tour
Discover Catalina Island’s Underwater Wonders
Begin your Catalina Island day trip with a comfortable roundtrip ferry ride across the Pacific to this famous getaway. Once on the island, step aboard a climate-controlled semi-submersible vessel and descend five feet below the surface to watch Catalina’s underwater scenery through wide viewing windows. See a dazzling variety of marine life including garibaldi, calico bass, rockfish, bat rays and sea urchins as they glide past your window.
Your Undersea Sub Expedition
This unique vessel lets you experience the undersea environment without getting wet. As you cruise, expert guides will point out the abundant sea creatures that live in the kelp forests and rocky coves around Catalina. Feedings outside the windows attract even more active marine life for close-up viewing and photo opportunities. The smooth ride and clear narration make the adventure ideal for families or curious travelers of all ages.
Upgrade: Add the Discover Avalon Tour
For a fuller experience, pair your undersea expedition with the Discover Avalon tour. This land-based excursion covers seven and a half miles and offers insights into Catalina’s history, its distinctive architecture and scenic viewpoints around the colorful town of Avalon. It’s a great way to round out your day with a mix of sea and land experiences, offering opportunities for memorable photos and a deeper appreciation of the island’s charm.
Smooth Experience
Your adventure is designed for comfort and convenience with hotel pickup available from selected locations in Los Angeles. All transportation and tour tickets are included, leaving you free to relax and enjoy the island’s beauty. The semi-submersible tour lasts about 40 minutes, and the optional Discover Avalon tour also lasts approximately 40 minutes, making this a perfectly paced day out.
What You’ll See
Thriving schools of local fish and curious bat rays
Beautiful kelp forests through underwater windows
Historic and modern Avalon landmarks
Expert local commentary throughout both tours
Tips for Your Visit
Don’t forget your camera for both land and sea sights
Plan for mild walking if you select the Avalon tour
Book in advance as spots can fill quickly See more experiences in Los Angeles on tickadoo. Looking for more? Check out Catalina driving tour or semi-submarine excursion on tickadoo.
Arrive promptly at your pickup location
Follow crew and guide instructions at all times
Do not bring large bags into the semi-submersible
Remain seated while the vessel is in motion
What is the undersea submarine expedition on Catalina?
You board a semi-submarine that descends below the surface of Catalina's clear waters to view marine life through large viewing windows without getting wet.
How deep does the Catalina submarine go?
The semi-submarine brings passengers about 5-10 feet below the surface, enough to see kelp forests, colorful fish, and the rocky ocean floor clearly.
Do I need to know how to swim for the submarine tour?
No swimming is required. You stay dry inside the fully enclosed submarine cabin throughout the experience.
What marine life will I see from the submarine?
Common sightings include garibaldi fish, kelp bass, sea stars, sea urchins, and dense kelp forests. Seasonal visitors include sea lions and rays.
How long is the submarine portion of the trip?
The submarine tour runs approximately 45 minutes, giving you extended viewing time as the vessel moves slowly along the coastline.
Is the submarine suitable for children?
Yes, kids love the submarine experience. It is safe, dry, and educational, making it one of the most popular family activities on Catalina.
Does the day trip package include the ferry?
Yes, round-trip ferry transportation from the mainland to Catalina Island is included along with the submarine excursion.
Will I have time to explore Avalon?
Yes, the package includes free time in Avalon for shopping, dining, and walking along the waterfront before or after the submarine tour.
Is the submarine experience claustrophobic?
The cabin has large viewing windows and is well-lit. Most passengers find it comfortable. If you have severe claustrophobia, consider this before booking.
What time does the ferry leave to return to the mainland?
Return ferry times are set and included in your itinerary. Your booking confirmation lists the scheduled departure time from Avalon.
Bring a camera to capture undersea and Avalon sights
Arrive early for hotel pickup if included
Not wheelchair accessible
Food and drinks are not included
ID may be required for ticket collection
Free cancellation up to 24 hours before the experience
Highlights
Experience marine life on a semi-submersible adventure
See dynamic fish and sea creatures up close
Upgrade with the Discover Avalon city tour for a deeper Catalina experience
Enjoy a climate-controlled viewing cabin underwater
Includes roundtrip Catalina Express ferry
What’s Included
Hotel pickup and drop-off from selected hotels
Roundtrip Catalina Express ferry ticket
40-minute semi-submersible vessel tour
Optional 40-minute Avalon tour
Discover Catalina Island’s Underwater Wonders
Begin your Catalina Island day trip with a comfortable roundtrip ferry ride across the Pacific to this famous getaway. Once on the island, step aboard a climate-controlled semi-submersible vessel and descend five feet below the surface to watch Catalina’s underwater scenery through wide viewing windows. See a dazzling variety of marine life including garibaldi, calico bass, rockfish, bat rays and sea urchins as they glide past your window.
Your Undersea Sub Expedition
This unique vessel lets you experience the undersea environment without getting wet. As you cruise, expert guides will point out the abundant sea creatures that live in the kelp forests and rocky coves around Catalina. Feedings outside the windows attract even more active marine life for close-up viewing and photo opportunities. The smooth ride and clear narration make the adventure ideal for families or curious travelers of all ages.
Upgrade: Add the Discover Avalon Tour
For a fuller experience, pair your undersea expedition with the Discover Avalon tour. This land-based excursion covers seven and a half miles and offers insights into Catalina’s history, its distinctive architecture and scenic viewpoints around the colorful town of Avalon. It’s a great way to round out your day with a mix of sea and land experiences, offering opportunities for memorable photos and a deeper appreciation of the island’s charm.
Smooth Experience
Your adventure is designed for comfort and convenience with hotel pickup available from selected locations in Los Angeles. All transportation and tour tickets are included, leaving you free to relax and enjoy the island’s beauty. The semi-submersible tour lasts about 40 minutes, and the optional Discover Avalon tour also lasts approximately 40 minutes, making this a perfectly paced day out.
What You’ll See
Thriving schools of local fish and curious bat rays
Beautiful kelp forests through underwater windows
Historic and modern Avalon landmarks
Expert local commentary throughout both tours
Tips for Your Visit
Don’t forget your camera for both land and sea sights
Plan for mild walking if you select the Avalon tour
Book in advance as spots can fill quickly See more experiences in Los Angeles on tickadoo. Looking for more? Check out Catalina driving tour or semi-submarine excursion on tickadoo.
Arrive promptly at your pickup location
Follow crew and guide instructions at all times
Do not bring large bags into the semi-submersible
Remain seated while the vessel is in motion
What is the undersea submarine expedition on Catalina?
You board a semi-submarine that descends below the surface of Catalina's clear waters to view marine life through large viewing windows without getting wet.
How deep does the Catalina submarine go?
The semi-submarine brings passengers about 5-10 feet below the surface, enough to see kelp forests, colorful fish, and the rocky ocean floor clearly.
Do I need to know how to swim for the submarine tour?
No swimming is required. You stay dry inside the fully enclosed submarine cabin throughout the experience.
What marine life will I see from the submarine?
Common sightings include garibaldi fish, kelp bass, sea stars, sea urchins, and dense kelp forests. Seasonal visitors include sea lions and rays.
How long is the submarine portion of the trip?
The submarine tour runs approximately 45 minutes, giving you extended viewing time as the vessel moves slowly along the coastline.
Is the submarine suitable for children?
Yes, kids love the submarine experience. It is safe, dry, and educational, making it one of the most popular family activities on Catalina.
Does the day trip package include the ferry?
Yes, round-trip ferry transportation from the mainland to Catalina Island is included along with the submarine excursion.
Will I have time to explore Avalon?
Yes, the package includes free time in Avalon for shopping, dining, and walking along the waterfront before or after the submarine tour.
Is the submarine experience claustrophobic?
The cabin has large viewing windows and is well-lit. Most passengers find it comfortable. If you have severe claustrophobia, consider this before booking.
What time does the ferry leave to return to the mainland?
Return ferry times are set and included in your itinerary. Your booking confirmation lists the scheduled departure time from Avalon.
Bring a camera to capture undersea and Avalon sights
Arrive early for hotel pickup if included
Not wheelchair accessible
Food and drinks are not included
ID may be required for ticket collection
Free cancellation up to 24 hours before the experience
Highlights
Experience marine life on a semi-submersible adventure
See dynamic fish and sea creatures up close
Upgrade with the Discover Avalon city tour for a deeper Catalina experience
Enjoy a climate-controlled viewing cabin underwater
Includes roundtrip Catalina Express ferry
What’s Included
Hotel pickup and drop-off from selected hotels
Roundtrip Catalina Express ferry ticket
40-minute semi-submersible vessel tour
Optional 40-minute Avalon tour
Discover Catalina Island’s Underwater Wonders
Begin your Catalina Island day trip with a comfortable roundtrip ferry ride across the Pacific to this famous getaway. Once on the island, step aboard a climate-controlled semi-submersible vessel and descend five feet below the surface to watch Catalina’s underwater scenery through wide viewing windows. See a dazzling variety of marine life including garibaldi, calico bass, rockfish, bat rays and sea urchins as they glide past your window.
Your Undersea Sub Expedition
This unique vessel lets you experience the undersea environment without getting wet. As you cruise, expert guides will point out the abundant sea creatures that live in the kelp forests and rocky coves around Catalina. Feedings outside the windows attract even more active marine life for close-up viewing and photo opportunities. The smooth ride and clear narration make the adventure ideal for families or curious travelers of all ages.
Upgrade: Add the Discover Avalon Tour
For a fuller experience, pair your undersea expedition with the Discover Avalon tour. This land-based excursion covers seven and a half miles and offers insights into Catalina’s history, its distinctive architecture and scenic viewpoints around the colorful town of Avalon. It’s a great way to round out your day with a mix of sea and land experiences, offering opportunities for memorable photos and a deeper appreciation of the island’s charm.
Smooth Experience
Your adventure is designed for comfort and convenience with hotel pickup available from selected locations in Los Angeles. All transportation and tour tickets are included, leaving you free to relax and enjoy the island’s beauty. The semi-submersible tour lasts about 40 minutes, and the optional Discover Avalon tour also lasts approximately 40 minutes, making this a perfectly paced day out.
What You’ll See
Thriving schools of local fish and curious bat rays
Beautiful kelp forests through underwater windows
Historic and modern Avalon landmarks
Expert local commentary throughout both tours
Tips for Your Visit
Don’t forget your camera for both land and sea sights
Plan for mild walking if you select the Avalon tour
Book in advance as spots can fill quickly See more experiences in Los Angeles on tickadoo. Looking for more? Check out Catalina driving tour or semi-submarine excursion on tickadoo.
Bring a camera to capture undersea and Avalon sights
Arrive early for hotel pickup if included
Not wheelchair accessible
Food and drinks are not included
ID may be required for ticket collection
Arrive promptly at your pickup location
Follow crew and guide instructions at all times
Do not bring large bags into the semi-submersible
Remain seated while the vessel is in motion
What is the undersea submarine expedition on Catalina?
You board a semi-submarine that descends below the surface of Catalina's clear waters to view marine life through large viewing windows without getting wet.
How deep does the Catalina submarine go?
The semi-submarine brings passengers about 5-10 feet below the surface, enough to see kelp forests, colorful fish, and the rocky ocean floor clearly.
Do I need to know how to swim for the submarine tour?
No swimming is required. You stay dry inside the fully enclosed submarine cabin throughout the experience.
What marine life will I see from the submarine?
Common sightings include garibaldi fish, kelp bass, sea stars, sea urchins, and dense kelp forests. Seasonal visitors include sea lions and rays.
How long is the submarine portion of the trip?
The submarine tour runs approximately 45 minutes, giving you extended viewing time as the vessel moves slowly along the coastline.
Is the submarine suitable for children?
Yes, kids love the submarine experience. It is safe, dry, and educational, making it one of the most popular family activities on Catalina.
Does the day trip package include the ferry?
Yes, round-trip ferry transportation from the mainland to Catalina Island is included along with the submarine excursion.
Will I have time to explore Avalon?
Yes, the package includes free time in Avalon for shopping, dining, and walking along the waterfront before or after the submarine tour.
Is the submarine experience claustrophobic?
The cabin has large viewing windows and is well-lit. Most passengers find it comfortable. If you have severe claustrophobia, consider this before booking.
What time does the ferry leave to return to the mainland?
Return ferry times are set and included in your itinerary. Your booking confirmation lists the scheduled departure time from Avalon.
Free cancellation up to 24 hours before the experience
Highlights
Experience marine life on a semi-submersible adventure
See dynamic fish and sea creatures up close
Upgrade with the Discover Avalon city tour for a deeper Catalina experience
Enjoy a climate-controlled viewing cabin underwater
Includes roundtrip Catalina Express ferry
What’s Included
Hotel pickup and drop-off from selected hotels
Roundtrip Catalina Express ferry ticket
40-minute semi-submersible vessel tour
Optional 40-minute Avalon tour
Discover Catalina Island’s Underwater Wonders
Begin your Catalina Island day trip with a comfortable roundtrip ferry ride across the Pacific to this famous getaway. Once on the island, step aboard a climate-controlled semi-submersible vessel and descend five feet below the surface to watch Catalina’s underwater scenery through wide viewing windows. See a dazzling variety of marine life including garibaldi, calico bass, rockfish, bat rays and sea urchins as they glide past your window.
Your Undersea Sub Expedition
This unique vessel lets you experience the undersea environment without getting wet. As you cruise, expert guides will point out the abundant sea creatures that live in the kelp forests and rocky coves around Catalina. Feedings outside the windows attract even more active marine life for close-up viewing and photo opportunities. The smooth ride and clear narration make the adventure ideal for families or curious travelers of all ages.
Upgrade: Add the Discover Avalon Tour
For a fuller experience, pair your undersea expedition with the Discover Avalon tour. This land-based excursion covers seven and a half miles and offers insights into Catalina’s history, its distinctive architecture and scenic viewpoints around the colorful town of Avalon. It’s a great way to round out your day with a mix of sea and land experiences, offering opportunities for memorable photos and a deeper appreciation of the island’s charm.
Smooth Experience
Your adventure is designed for comfort and convenience with hotel pickup available from selected locations in Los Angeles. All transportation and tour tickets are included, leaving you free to relax and enjoy the island’s beauty. The semi-submersible tour lasts about 40 minutes, and the optional Discover Avalon tour also lasts approximately 40 minutes, making this a perfectly paced day out.
What You’ll See
Thriving schools of local fish and curious bat rays
Beautiful kelp forests through underwater windows
Historic and modern Avalon landmarks
Expert local commentary throughout both tours
Tips for Your Visit
Don’t forget your camera for both land and sea sights
Plan for mild walking if you select the Avalon tour
Book in advance as spots can fill quickly See more experiences in Los Angeles on tickadoo. Looking for more? Check out Catalina driving tour or semi-submarine excursion on tickadoo.
Bring a camera to capture undersea and Avalon sights
Arrive early for hotel pickup if included
Not wheelchair accessible
Food and drinks are not included
ID may be required for ticket collection
Arrive promptly at your pickup location
Follow crew and guide instructions at all times
Do not bring large bags into the semi-submersible
Remain seated while the vessel is in motion
What is the undersea submarine expedition on Catalina?
You board a semi-submarine that descends below the surface of Catalina's clear waters to view marine life through large viewing windows without getting wet.
How deep does the Catalina submarine go?
The semi-submarine brings passengers about 5-10 feet below the surface, enough to see kelp forests, colorful fish, and the rocky ocean floor clearly.
Do I need to know how to swim for the submarine tour?
No swimming is required. You stay dry inside the fully enclosed submarine cabin throughout the experience.
What marine life will I see from the submarine?
Common sightings include garibaldi fish, kelp bass, sea stars, sea urchins, and dense kelp forests. Seasonal visitors include sea lions and rays.
How long is the submarine portion of the trip?
The submarine tour runs approximately 45 minutes, giving you extended viewing time as the vessel moves slowly along the coastline.
Is the submarine suitable for children?
Yes, kids love the submarine experience. It is safe, dry, and educational, making it one of the most popular family activities on Catalina.
Does the day trip package include the ferry?
Yes, round-trip ferry transportation from the mainland to Catalina Island is included along with the submarine excursion.
Will I have time to explore Avalon?
Yes, the package includes free time in Avalon for shopping, dining, and walking along the waterfront before or after the submarine tour.
Is the submarine experience claustrophobic?
The cabin has large viewing windows and is well-lit. Most passengers find it comfortable. If you have severe claustrophobia, consider this before booking.
What time does the ferry leave to return to the mainland?
Return ferry times are set and included in your itinerary. Your booking confirmation lists the scheduled departure time from Avalon.
Free cancellation up to 24 hours before the experience
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