Hidden along Tanna's rugged north-west coast, the Blue Cave is one of Vanuatu's most extraordinary natural secrets. Reached by a 30 to 40-minute boat ride from shore, this sea cave invites you to swim inside and experience something genuinely unlike anything else on the island. Depending on the tide, entry involves either a snorkel through the entrance or a brief dive beneath the rock, either way, what you find on the other side makes it completely worth it. Tours run twice daily and last approximately three hours.
Highlights
Swim inside a hidden sea cave on Tanna
30–40 minute boat ride along the coast
Cave entry changes with the tide
Small groups of up to six guests per boat
Snorkel gear and guides included
Booking Confidence
Only 8% Deposit
Pay the rest later or on the day
Charity Donation Included
Supporting local communities
Ages
5-99
Languages
English, French, Bislama
Details
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Blue Cave Tanna Medals of Excellence
Milestones based on bookings, reviews, availability, and provider activity.
Top 50% in Vanuatu
Top 50% by bookings in Vanuatu
Flexible Availability
365
About 365 bookable days in the next year (0 closed)
Fresh Update
Listing or its products/rooms updated in the last 3 months
Data Verifiedby Trip Carver
Last syncedOctober 2026
Location
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"what_to_expect": "<div>Your Blue Cave Tanna adventure begins well before you reach the water. Depending on where you're staying on Tanna, we'll either collect you directly from your accommodation or meet you at our tour office near Whitegrass Airport. Guests coming from the eastern side of the island are brought to the office first, where your guide runs through everything you need to know, the swimming requirements, what to expect from the tide, and how cave entry works on the day.<br><br></div><div>From the office, we head to the boat landing site and set off on an approximately 30 to 40-minute boat journey along Tanna's coastline to reach the Blue Cave. Travel time can vary a little depending on sea conditions and weather, but the ride itself is a great way to take in the rugged scenery of Tanna's north-west coast.<br><br></div><div>On arrival, you'll enter the water and swim toward the cave entrance. How you get inside depends on the tide. At high tide, you may need to briefly dive or swim underwater beneath the rock entrance before surfacing inside. At low tide, you can generally swim or snorkel through without needing to dive at all. Your guide will explain exactly what to expect before you enter, and snorkelling gear and life jackets are provided.<br><br></div><div>Once inside, the time is yours to swim, snorkel, relax and take photos. The amount of time spent at the cave is flexible and can be adjusted based on what you'd like to do. The full experience, from pickup to drop-off, usually runs to around three hours in total.<br><br></div><div>After your time at the cave, we head back by boat to the landing site and return you to your confirmed drop-off point. Two tours run daily, one departing at 09 am and a second at 1 pm, with your exact pickup time confirmed after booking based on your accommodation location.</div>",
"departure_and_return": "<div>Tours depart at 9 am and 1 pm daily except Saturdays. Your exact pickup time will depend on your accommodation location and will be confirmed after booking.<br><br></div><div>Pickup is available from:</div><ul><li>Accommodation on the eastern side of Tanna - guests are taken to the Blue Cave tour office near Whitegrass Airport for a briefing before heading to the boat landing site</li><li>Accommodations near Whitegrass Airport - direct pickup available</li><li>Accommodation on Tanna's north-west coast, including areas around Evergreen Resort, White Grass Ocean Resort and Rockwater Resort</li></ul><div><br></div><div>After visiting the cave, guests return by boat to the landing site and are taken back to their confirmed drop-off point.</div>",
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