Discover the excitement of the Undersea Expedition in Avalon, California, where ziplining over stunning ocean views offers a one-of-a-kind adventure. Perfect for thrill-seekers and nature lovers, this private tour blends breathtaking scenery with adrenaline-fueled fun. Keep reading to learn more about this unforgettable coastal experience!
More ways to explore the area's outdoor wonders
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Difficulty
challenging
Duration
2–3 hours
Fitness Level
Participants should be in average physical condition, able to climb stairs and stand for periods.
Wildlife
History
Catalina Island has a rich history as a popular retreat for Hollywood stars and a strategic militarized site during World War II.
Conservation
The Santa Catalina Island Company actively participates in conservation efforts to preserve local wildlife and natural habitats.
Santa Catalina Island Company
Discover the excitement of the Undersea Expedition in Avalon, California, where ziplining over stunning ocean views offers a one-of-a-kind adventure. Perfect for thrill-seekers and nature lovers, this private tour blends breathtaking scenery with adrenaline-fueled fun. Keep reading to learn more about this unforgettable coastal experience!
Santa Catalina Island Company operates in Avalon, California, providing a range of guided tours, rentals, and admissions across Catalina Island. The company coordinates experiences including Falconry Experience, Undersea Expedition aboard the Sea Wolf and Emerald semi-submersibles, Casino Admission, Palapas & Lounges at Isthmus Cove, single kayak and SUP rentals at Descanso Beach, guided Journey to Frog Rock, Early Bird Kayak & Snorkel, Zipline Eco Tour, and the Cyclone power boat transfer to Two Harbors.
Each offering focuses on outdoor recreation, marine observation, island history, or beach relaxation. Activities take place at recognizable Catalina locations such as Descanso Canyon, Descanso Beach, Lover's Cove Marine Preserve, Isthmus Cove, Willow Cove, and the Catalina Casino and Romance Promenade in Avalon.
The Falconry Experience enables participants to handle and fly trained raptors in Descanso Canyon. Undersea Expedition tours operate from semi-submersibles with climate-controlled cabins and personal portholes for viewing marine life like Garibaldi and bat rays. Casino Admission includes access to the restored Avalon Theatre and hand-painted murals dating to 1929. Palapas & Lounges provide beachside food and drink service at Isthmus Cove. Water rentals and guided paddling options allow self-guided and guided exploration along the coastline, including stops at Frog Rock and Willow Cove. The Zipline Eco Tour features five zip lines and ends at Descanso Beach Club. Cyclone to Two Harbors is a 40-minute power boat ride connecting Avalon and Two Harbors.
Santa Catalina Island Company's offerings are location-specific, activity-focused, and designed to connect visitors with Catalina Island's natural and cultural highlights.
Location
Avalon, California
Departures from Avalon waterfront
Trips Offered
11
Range of tours across the island
Beach & Marine
Multiple sites
Descanso, Lover's Cove, Isthmus, Willow Cove
Typical Durations
Varied
Half-day to full-day options
Secure spots for Falconry, Undersea, Zipline, kayak rentals, and Casino tours — check specific trip details, departure points, and availability before booking.
Wear Layers and Sun Protection
The coastal weather can vary, so dress in layers and apply sunblock for comfort during the outdoor adventure.
Arrive Early
Arriving 15-30 minutes before your scheduled start time ensures a smooth check-in and safety briefing.
Stay Hydrated
Bring water with you to stay hydrated before and after your zipline ride, especially on warm days.
Follow Safety Instructions
Pay close attention to your guides’ safety briefings to make your experience both fun and secure.
Comfortable Clothing
Wear breathable, flexible clothing suitable for outdoor activity and variable weather.
Closed-toe Shoes
Secure, closed-toe shoes provide the best grip and safety during ziplining.
Sunscreen
Protect your skin from sun exposure with a broad-spectrum sunscreen.
summer
Water Bottle
Stay hydrated by bringing a refillable water bottle for the tour duration.