easy
1–1.5 hours
Suitable for most fitness levels; minimal physical effort required
Discover the vibrant marine life beneath Avalon’s waters on The Nautilus Semi-Submarine Excursion. Perfect for families and adventure lovers, this tour offers spectacular underwater views and fascinating insights into local ecosystems.
Starting at $50 | 45 Minutes | Most Popular!
Embark on an unforgettable 45-minute journey aboard the semi-submersible Nautilus, inspired by America's first nuclear submarine. Experience breathtaking underwater gardens and interact with marine life through a unique fish feeding system. Join seasonal evening missions to witness nocturnal sea creatures, making this adventure both educational and thrilling.
45 Minutes
Amazing undersea garden sights await adventurers aboard the semi-submersible Nautilus, designed after America's first nuclear powered submarine, the USS Nautilus. Join our captain and his crew on an exploratory mission that is both educational and entertaining. This vessel features a fish food feeding system launched by torpedo buttons so you can feed the fish from your seat (for an additional charge).
Fire One! Fire Two! You have not entered enemy waters; you are now in a marine preserved sanctuary where a feeding frenzy delight seafarers. Seasonal evening missions may also be offered for viewing nocturnal sea creatures active only after dark!
Tours are approximately 45 minutes and leave from the green Pleasure Pier. Seasonal evening missions may also be offered where explorers can view nocturnal sea creatures active only after dark.
Ambulatory Requirements: Participants must be able to transfer to vessel (walk 12 steep steps down to and up from the seating area).
Advisories: For safety, you should be in good health and free from claustrophobia or anxiety symptoms, high blood pressure, motion sickness, or other conditions that could be aggravated by this adventure.
Getting there early ensures you secure a great spot with unobstructed views from the glass deck.
Weather can change unexpectedly at sea, so layering helps you stay comfortable during the tour.
Capture stunning underwater scenes and memorable moments while cruising the waters.
The activity runs best in calm seas; rough weather could lead to rescheduling or cancellations.
Catalina Island has a rich history dating back to the Native American tribes and later as a key logging and shipping port in California.
Catalina Adventure Tours emphasizes eco-friendly practices, including responsible wildlife viewing and minimizing sea pollution to preserve the marine environment.
Hat, sunglasses, and sunscreen help protect against sun exposure on deck.
summer specific
Layers keep you comfortable during cooler weather or breezy conditions at sea.
winter|spring|fall specific
Protect your device from splashes while capturing the stunning underwater views.
Stay hydrated during your relaxing cruise to ensure maximum enjoyment.