
Experiences



Experiences



Experiences


Los Angeles: Semi-Submarine Excursion from Catalina Island
Discover marine life on a semi-submarine cruise. Enjoy underwater views of fish and kelp in a unique 45-minute experience.
45 mins
Free cancellation
Instant confirmation
Mobile ticket
Summarised reviews
Los Angeles: Semi-Submarine Excursion from Catalina Island is available to book on tickadoo. No visitor ratings yet.
Customer reviews
How do we collect reviews?
Summarised reviews
Los Angeles: Semi-Submarine Excursion from Catalina Island is available to book on tickadoo. No visitor ratings yet.
Customer reviews
How do we collect reviews?
Summarised reviews
Los Angeles: Semi-Submarine Excursion from Catalina Island is available to book on tickadoo. No visitor ratings yet.
Customer reviews
How do we collect reviews?
Summarised reviews
Los Angeles: Semi-Submarine Excursion from Catalina Island is available to book on tickadoo. No visitor ratings yet.
Customer reviews
How do we collect reviews?
Highlights
45-minute guided cruise in a semi-submarine
Observational portholes for underwater views
Opportunities to see active marine life up close
Optional evening trips for nocturnal sea encounters
What’s Included
45-minute cruise
Professional crew
Experience an Underwater Adventure
Step aboard the semi-submersible Nautilus for a unique perspective on the ocean habitat surrounding Catalina Island. This custom-built vessel gives you the chance to sit below the waterline and gaze out through large portholes as you glide past kelp forests - and possibly spot schools of colorful fish, rays and peaceful marine sanctuaries.
The Nautilus Semi-Submarine Journey
The Nautilus is inspired by the famed USS Nautilus and blends comfort with adventure. As your captain navigates along Catalina’s scenic coastline, you'll pass through protected waters crowded with aquatic life. Each guest has access to a porthole, ensuring every moment spent aboard reveals a new underwater scene.
Watch as brilliant orange Garibaldi and other native fish swim past
Observe swaying kelp forests and rocky reefs
Enjoy the insights of a local crew familiar with the area’s ecosystem
Interactive Features
Enhance your marine experience using the torpedo-shaped buttons at your seat, which control fish food dispensers (available separately for purchase). Feeding bursts attract hungry fish, letting you witness a flurry of activity just inches from your window.
Evening & Nocturnal Explorations
Depending on the season, select evenings offer special departures designed to highlight nocturnal sea life. Watch for nocturnal creatures emerging as the sun sets, and experience the shift in the marine environment beneath twilight waves.
Perfect for Families and Groups
This semi-submarine excursion is suitable for guests of all ages, combining fun underwater observation with educational moments. If you are traveling with family or friends, it's a stress-free and accessible way to glimpse the natural world below the surface.
Everything You Need to Know
Fish food for the feeding activity is optional and sold onboard
Trips operate with a professional and attentive crew
The vessel is not wheelchair accessible
Facilities and duration are designed to ensure a comfortable journey for everyone
Ferry transportation to Avalon is not included in the excursion price
Prepare for your trip by arriving on time and bringing any essentials you may need for a short adventure. Remember to consider evening trips for a different look at the region’s lively marine habitats. See more experiences in Los Angeles on tickadoo. Looking for more? Check out Catalina submarine day trip or glass bottom boat on tickadoo.
Listen to crew instructions at all times
Supervise children closely throughout the cruise
Do not feed fish with anything other than purchased fish food
Dispose of litter properly to protect the marine environment
What is a semi-submarine?
A vessel that descends partially below the waterline with large viewing windows, letting you see underwater marine life without getting wet.
How deep does the semi-submarine go?
The viewing cabin sits 5-10 feet below the surface, enough to observe kelp forests, fish, and the rocky ocean floor through clear windows.
Do I need to swim on the semi-submarine?
No, you stay dry inside the enclosed cabin. No water contact or swimming ability is needed.
What marine life will I see?
Common sightings include bright orange garibaldi fish, kelp bass, sea stars, sea urchins, and dense kelp forests in Catalina's clear waters.
How long is the semi-submarine excursion?
The excursion runs approximately 45 minutes to 1 hour, covering scenic underwater areas along Catalina's coast.
Is the semi-submarine suitable for kids?
Yes, children love watching fish and underwater scenery through the windows. It is a popular family activity on Catalina.
Where do I board the semi-submarine?
The excursion departs from a dock in Avalon. Your booking provides the meeting location and boarding time.
Is the semi-submarine comfortable?
The cabin has bench seating along the windows. It is climate-controlled and comfortable for the duration of the tour.
Do I need to book the ferry to Catalina separately?
Check your booking. Some packages include round-trip ferry, while others are for the submarine excursion only.
What if the water is murky on my visit?
Catalina's waters are generally clear. Visibility can vary with weather and currents. Calm days offer the best underwater viewing.
Arrive early to ensure timely boarding
Bring a camera for underwater shots
No wheelchair access available
Fish food can be purchased aboard
Check for available evening trips for nocturnal sights
Free cancellation up to 24 hours before the experience
Highlights
45-minute guided cruise in a semi-submarine
Observational portholes for underwater views
Opportunities to see active marine life up close
Optional evening trips for nocturnal sea encounters
What’s Included
45-minute cruise
Professional crew
Experience an Underwater Adventure
Step aboard the semi-submersible Nautilus for a unique perspective on the ocean habitat surrounding Catalina Island. This custom-built vessel gives you the chance to sit below the waterline and gaze out through large portholes as you glide past kelp forests - and possibly spot schools of colorful fish, rays and peaceful marine sanctuaries.
The Nautilus Semi-Submarine Journey
The Nautilus is inspired by the famed USS Nautilus and blends comfort with adventure. As your captain navigates along Catalina’s scenic coastline, you'll pass through protected waters crowded with aquatic life. Each guest has access to a porthole, ensuring every moment spent aboard reveals a new underwater scene.
Watch as brilliant orange Garibaldi and other native fish swim past
Observe swaying kelp forests and rocky reefs
Enjoy the insights of a local crew familiar with the area’s ecosystem
Interactive Features
Enhance your marine experience using the torpedo-shaped buttons at your seat, which control fish food dispensers (available separately for purchase). Feeding bursts attract hungry fish, letting you witness a flurry of activity just inches from your window.
Evening & Nocturnal Explorations
Depending on the season, select evenings offer special departures designed to highlight nocturnal sea life. Watch for nocturnal creatures emerging as the sun sets, and experience the shift in the marine environment beneath twilight waves.
Perfect for Families and Groups
This semi-submarine excursion is suitable for guests of all ages, combining fun underwater observation with educational moments. If you are traveling with family or friends, it's a stress-free and accessible way to glimpse the natural world below the surface.
Everything You Need to Know
Fish food for the feeding activity is optional and sold onboard
Trips operate with a professional and attentive crew
The vessel is not wheelchair accessible
Facilities and duration are designed to ensure a comfortable journey for everyone
Ferry transportation to Avalon is not included in the excursion price
Prepare for your trip by arriving on time and bringing any essentials you may need for a short adventure. Remember to consider evening trips for a different look at the region’s lively marine habitats. See more experiences in Los Angeles on tickadoo. Looking for more? Check out Catalina submarine day trip or glass bottom boat on tickadoo.
Listen to crew instructions at all times
Supervise children closely throughout the cruise
Do not feed fish with anything other than purchased fish food
Dispose of litter properly to protect the marine environment
What is a semi-submarine?
A vessel that descends partially below the waterline with large viewing windows, letting you see underwater marine life without getting wet.
How deep does the semi-submarine go?
The viewing cabin sits 5-10 feet below the surface, enough to observe kelp forests, fish, and the rocky ocean floor through clear windows.
Do I need to swim on the semi-submarine?
No, you stay dry inside the enclosed cabin. No water contact or swimming ability is needed.
What marine life will I see?
Common sightings include bright orange garibaldi fish, kelp bass, sea stars, sea urchins, and dense kelp forests in Catalina's clear waters.
How long is the semi-submarine excursion?
The excursion runs approximately 45 minutes to 1 hour, covering scenic underwater areas along Catalina's coast.
Is the semi-submarine suitable for kids?
Yes, children love watching fish and underwater scenery through the windows. It is a popular family activity on Catalina.
Where do I board the semi-submarine?
The excursion departs from a dock in Avalon. Your booking provides the meeting location and boarding time.
Is the semi-submarine comfortable?
The cabin has bench seating along the windows. It is climate-controlled and comfortable for the duration of the tour.
Do I need to book the ferry to Catalina separately?
Check your booking. Some packages include round-trip ferry, while others are for the submarine excursion only.
What if the water is murky on my visit?
Catalina's waters are generally clear. Visibility can vary with weather and currents. Calm days offer the best underwater viewing.
Arrive early to ensure timely boarding
Bring a camera for underwater shots
No wheelchair access available
Fish food can be purchased aboard
Check for available evening trips for nocturnal sights
Free cancellation up to 24 hours before the experience
Highlights
45-minute guided cruise in a semi-submarine
Observational portholes for underwater views
Opportunities to see active marine life up close
Optional evening trips for nocturnal sea encounters
What’s Included
45-minute cruise
Professional crew
Experience an Underwater Adventure
Step aboard the semi-submersible Nautilus for a unique perspective on the ocean habitat surrounding Catalina Island. This custom-built vessel gives you the chance to sit below the waterline and gaze out through large portholes as you glide past kelp forests - and possibly spot schools of colorful fish, rays and peaceful marine sanctuaries.
The Nautilus Semi-Submarine Journey
The Nautilus is inspired by the famed USS Nautilus and blends comfort with adventure. As your captain navigates along Catalina’s scenic coastline, you'll pass through protected waters crowded with aquatic life. Each guest has access to a porthole, ensuring every moment spent aboard reveals a new underwater scene.
Watch as brilliant orange Garibaldi and other native fish swim past
Observe swaying kelp forests and rocky reefs
Enjoy the insights of a local crew familiar with the area’s ecosystem
Interactive Features
Enhance your marine experience using the torpedo-shaped buttons at your seat, which control fish food dispensers (available separately for purchase). Feeding bursts attract hungry fish, letting you witness a flurry of activity just inches from your window.
Evening & Nocturnal Explorations
Depending on the season, select evenings offer special departures designed to highlight nocturnal sea life. Watch for nocturnal creatures emerging as the sun sets, and experience the shift in the marine environment beneath twilight waves.
Perfect for Families and Groups
This semi-submarine excursion is suitable for guests of all ages, combining fun underwater observation with educational moments. If you are traveling with family or friends, it's a stress-free and accessible way to glimpse the natural world below the surface.
Everything You Need to Know
Fish food for the feeding activity is optional and sold onboard
Trips operate with a professional and attentive crew
The vessel is not wheelchair accessible
Facilities and duration are designed to ensure a comfortable journey for everyone
Ferry transportation to Avalon is not included in the excursion price
Prepare for your trip by arriving on time and bringing any essentials you may need for a short adventure. Remember to consider evening trips for a different look at the region’s lively marine habitats. See more experiences in Los Angeles on tickadoo. Looking for more? Check out Catalina submarine day trip or glass bottom boat on tickadoo.
Arrive early to ensure timely boarding
Bring a camera for underwater shots
No wheelchair access available
Fish food can be purchased aboard
Check for available evening trips for nocturnal sights
Listen to crew instructions at all times
Supervise children closely throughout the cruise
Do not feed fish with anything other than purchased fish food
Dispose of litter properly to protect the marine environment
What is a semi-submarine?
A vessel that descends partially below the waterline with large viewing windows, letting you see underwater marine life without getting wet.
How deep does the semi-submarine go?
The viewing cabin sits 5-10 feet below the surface, enough to observe kelp forests, fish, and the rocky ocean floor through clear windows.
Do I need to swim on the semi-submarine?
No, you stay dry inside the enclosed cabin. No water contact or swimming ability is needed.
What marine life will I see?
Common sightings include bright orange garibaldi fish, kelp bass, sea stars, sea urchins, and dense kelp forests in Catalina's clear waters.
How long is the semi-submarine excursion?
The excursion runs approximately 45 minutes to 1 hour, covering scenic underwater areas along Catalina's coast.
Is the semi-submarine suitable for kids?
Yes, children love watching fish and underwater scenery through the windows. It is a popular family activity on Catalina.
Where do I board the semi-submarine?
The excursion departs from a dock in Avalon. Your booking provides the meeting location and boarding time.
Is the semi-submarine comfortable?
The cabin has bench seating along the windows. It is climate-controlled and comfortable for the duration of the tour.
Do I need to book the ferry to Catalina separately?
Check your booking. Some packages include round-trip ferry, while others are for the submarine excursion only.
What if the water is murky on my visit?
Catalina's waters are generally clear. Visibility can vary with weather and currents. Calm days offer the best underwater viewing.
Free cancellation up to 24 hours before the experience
Highlights
45-minute guided cruise in a semi-submarine
Observational portholes for underwater views
Opportunities to see active marine life up close
Optional evening trips for nocturnal sea encounters
What’s Included
45-minute cruise
Professional crew
Experience an Underwater Adventure
Step aboard the semi-submersible Nautilus for a unique perspective on the ocean habitat surrounding Catalina Island. This custom-built vessel gives you the chance to sit below the waterline and gaze out through large portholes as you glide past kelp forests - and possibly spot schools of colorful fish, rays and peaceful marine sanctuaries.
The Nautilus Semi-Submarine Journey
The Nautilus is inspired by the famed USS Nautilus and blends comfort with adventure. As your captain navigates along Catalina’s scenic coastline, you'll pass through protected waters crowded with aquatic life. Each guest has access to a porthole, ensuring every moment spent aboard reveals a new underwater scene.
Watch as brilliant orange Garibaldi and other native fish swim past
Observe swaying kelp forests and rocky reefs
Enjoy the insights of a local crew familiar with the area’s ecosystem
Interactive Features
Enhance your marine experience using the torpedo-shaped buttons at your seat, which control fish food dispensers (available separately for purchase). Feeding bursts attract hungry fish, letting you witness a flurry of activity just inches from your window.
Evening & Nocturnal Explorations
Depending on the season, select evenings offer special departures designed to highlight nocturnal sea life. Watch for nocturnal creatures emerging as the sun sets, and experience the shift in the marine environment beneath twilight waves.
Perfect for Families and Groups
This semi-submarine excursion is suitable for guests of all ages, combining fun underwater observation with educational moments. If you are traveling with family or friends, it's a stress-free and accessible way to glimpse the natural world below the surface.
Everything You Need to Know
Fish food for the feeding activity is optional and sold onboard
Trips operate with a professional and attentive crew
The vessel is not wheelchair accessible
Facilities and duration are designed to ensure a comfortable journey for everyone
Ferry transportation to Avalon is not included in the excursion price
Prepare for your trip by arriving on time and bringing any essentials you may need for a short adventure. Remember to consider evening trips for a different look at the region’s lively marine habitats. See more experiences in Los Angeles on tickadoo. Looking for more? Check out Catalina submarine day trip or glass bottom boat on tickadoo.
Arrive early to ensure timely boarding
Bring a camera for underwater shots
No wheelchair access available
Fish food can be purchased aboard
Check for available evening trips for nocturnal sights
Listen to crew instructions at all times
Supervise children closely throughout the cruise
Do not feed fish with anything other than purchased fish food
Dispose of litter properly to protect the marine environment
What is a semi-submarine?
A vessel that descends partially below the waterline with large viewing windows, letting you see underwater marine life without getting wet.
How deep does the semi-submarine go?
The viewing cabin sits 5-10 feet below the surface, enough to observe kelp forests, fish, and the rocky ocean floor through clear windows.
Do I need to swim on the semi-submarine?
No, you stay dry inside the enclosed cabin. No water contact or swimming ability is needed.
What marine life will I see?
Common sightings include bright orange garibaldi fish, kelp bass, sea stars, sea urchins, and dense kelp forests in Catalina's clear waters.
How long is the semi-submarine excursion?
The excursion runs approximately 45 minutes to 1 hour, covering scenic underwater areas along Catalina's coast.
Is the semi-submarine suitable for kids?
Yes, children love watching fish and underwater scenery through the windows. It is a popular family activity on Catalina.
Where do I board the semi-submarine?
The excursion departs from a dock in Avalon. Your booking provides the meeting location and boarding time.
Is the semi-submarine comfortable?
The cabin has bench seating along the windows. It is climate-controlled and comfortable for the duration of the tour.
Do I need to book the ferry to Catalina separately?
Check your booking. Some packages include round-trip ferry, while others are for the submarine excursion only.
What if the water is murky on my visit?
Catalina's waters are generally clear. Visibility can vary with weather and currents. Calm days offer the best underwater viewing.
Free cancellation up to 24 hours before the experience
Share this:
Share this:
Share this:
More Experiences
From $48.75







