Santa Cruz Island Sea Caves
Channel Islands National Park (off Ventura) · near Ventura (ferry departure) · Central Coast
Caving
At a glance
- Depth
- 0
- Season
- Year-round · Best conditions late summer/fall · Boat access via Island Packers from Ventura
- Cost
- Island Packers ferry ~$63+ round trip · Guided kayak sea-cave tours ~$150+ (incl. gear) · Or bring own kayak (advanced logistics)
- Difficulty
- Guided tours beginner-friendly · Independent kayaking is advanced (open-ocean, cold water, remote)
Permits and booking
- Permit
- Channel Islands NP (no entrance fee). Ferry via Island Packers (reserve ahead). Guided kayak tours via licensed park concessionaires — the recommended way. Independent kayaking requires advanced skills and coordinating kayak transport with the ferry.
Worth knowing
- Good for a first timer
- Yes
- Gear
- Guided tours provide wetsuit, helmet, PFD, kayak · Swimwear & quick-dry layers · Motion-sickness remedy for the ferry · Water & snacks · Waterproof camera
Caving detail
- Nickname
- Kayaking the Largest Island's Caves
- Cave type
- sea-cave
- Tour length
- Full day (ferry + 1.5–2 hr kayak tour) · Scorpion Anchorage base
- Formations
- Extensive sea-cave network · Sea lions & seals · Dolphins & whales (migration) · Island foxes & endemic wildlife · Kelp forests & tide pools
- Featured caves
- The Scorpion Anchorage caves · Painted Cave (separate entry)
- Intl tip
- Channel Islands National Park is called 'the Galapagos of North America' for its endemic species. Combine sea-cave kayaking with hiking to Potato Harbor and Cavern Point, and camp overnight at Scorpion for the full island experience. Book the ferry and tour well ahead — summer/fall fills up.
The guide
Santa Cruz Island — the largest of California's Channel Islands — has one of the finest sea-cave coastlines in the world, and k…
In the Guidebook
Everything above is yours for free. The written guide to Santa Cruz Island Sea Caves — what it is actually like, and what we would tell a friend before they went — comes with the Guidebook.
Getting there
- Coordinates
- 34.0489, -119.562