Skip to product information
1 of 9

Splitdyboat

Hong Kong Geopark Double Sea Arches Volcano Coasteering Experience (2.5hrs)

Hong Kong Geopark Double Sea Arches Volcano Coasteering Experience (2.5hrs)

Regular price HK$580.00 HKD
Regular price Sale price HK$580.00 HKD
Sale Sold out

"SplitdyBoat operates guided experiences across Hong Kong’s sea and islands daily. For details and bookings, please visit splitdyboat.com"

Hong Kong UNESCO Global Geopark Double Sea Arches Volcano Coasteering Experience

✅Crossing Tunnel Cave(swimming through the Bluff Island Cave)
✅Crossing Sea Arch (swimming through the Bell Arch)
✅Sai Kung Volcanic Rock Region, Global Geopark
✅The Largest Hexagonal Columns in the world
✅The most famous caves in the East China Sea
✅140 million year old volcanic rocks
✅Stunning rocks and scenic geology and landforms

 

💰Tour Price

$580/person (coasteering tour alone)
✅Coach explains the history of the volcano in Hong Kong along the way
✅Coach explains important safety knowledge
✅Coach takes photos in the major attractions
✅Round trip speedboat transfer 
✅Life jacket, snorkelling mask, gloves
⭕ Optional Add-On: Aqua shoes, waterproof phone Pouches 

 

🏝️Coasteering Route

Sai Kung Pier > Bluff Island Cave (Bluff Island) >
Bell Cave (Jin Island) > Sai Kung Pier
Whether the itinerary goes as planned depends on the wind and waves of the day. The weather is sometimes erratic in summer. We would check first the day before to confirm whether you can go

Tour Time (2 hours)

30 minutes Sai Kung Public School Tour Briefing Session 
90 minutes Speedboat Sightseeing + Coasteering Crossing Sea Arches
① 11:00AM - 01:00PM
② 02:00PM - 04:00PM
③ 04:15PM - 06:15PM
  

🏫Meeting Point

Sai Kung Public School (Gather and learn about the geological history of volcanoes)

 

Splitdyboat guided coasteering experience run daily (weather permitting)—to book, simply select your date and time on  splitdyboat.com
View full details
  • Life Jacket & Helmet is Included
    We provide life jackets in multiple sizes to suit every guest – from kids to adults. Feel free to wear the one that fits you best. Your safety and comfort are our top priority.
  • Professional Coach Guidance
    Coach provides clear instruction, safety support, and practical tips, helping beginners learn confidently while enjoying a smoother, more comfortable, and well-managed experience.
  • Unique Angle from the Sea
    Sail through Hong Kong’s UNESCO Global Geopark's most stunning attractions aboard a speedboat, witnessing breathtaking hexagonal volcanic rock columns and majestic sea arches.
  • Private Tour Option
    Prefer your own boat? Our private tours give you a vessel and guide dedicated exclusively to your group. No strangers. No fixed schedule. Just you, your people, and a guide focused entirely on your experience.
  • One person? You're in.
    No group? No problem. Book a single spot and you're on the boat — no minimum numbers, no awkward questions. Splitdyboat is the only operator in Hong Kong offering daily join-in Geopark tours.
  • ① Bluff Island《Bluff Island Cave》Outside West Entrance
    The west entrance of Bluff Island Cave, features the stunning hexagonal volcanic rock columns, which were formed from ancient volcanic activity, a remarkable geological feature within the Ung Kong Group. Following our professional coach, participants will normally enter the cave in this west entrance.
    Notably, visitors can observe some bullet hole in the hexagonal columns, a remnant from when this region was a firing range for the British military. This intriguing detail adds to the cave's historical significance, making it not only a visual marvel but also a site rich in stories of the past.
  • ② Bluff Island《Bluff Island Cave》Inside West Entrance
    Entering the west entrance of Bluff Island Cave, offers an enchanting experience for adventurers. As participants swim through this sea tunnel cave, they are greeted by stunning hexagonal volcanic rock columns that hang majestically within the cave. These unique formations resemble intricate ice sculptures, showcasing the island's remarkable geological history. The captivating interplay of light and shadow within the cave enhances the beauty of these natural wonders, making it a must-visit destination in Hong Kong for nature enthusiasts and explorers alike.
  • ③ Bluff Island《Bluff Island Cave》Inside East Entrance
    As participants swimming through from the west entrance to the east entrance of bluff island cave, they embark on an exciting adventure, leads them into a breathtaking cavern where they can admire the stunning hexagonal volcanic rock columns that hang majestically from the cave's ceiling. Resembling intricate ice sculptures, these formations create a mesmerizing atmosphere, showcasing the unique geological features of Bluff Island. This captivating experience allows adventurers to connect with nature while exploring one of Hong Kong's remarkable geological wonders.
  • ④ Bluff Island《Bluff Island Cave》Outside East Entrance
    As participants complete their exploration of Bluff Island Cave, swim through the east entrance, they emerge into the open sea where a boatman and speedboat await them outside the cave. This convenient arrangement ensures that there are no worries about transportation after their adventure. The journey through the cave provides a thrilling experience, allowing adventurers to witness the stunning hexagonal volcanic rock columns up close. With the boat ready to whisk them away, participants can relax and reflect on their unforgettable exploration of one of Hong Kong's natural wonders.
  • ⑤ Jin Island《Bell Cave》West Entrance
    At the west entrance of **Bell Cave** on Jin Island, participants are greeted by the awe-inspiring sight of the bell-shaped sea arch that defines this remarkable geological feature. As they step inside, they can admire the intricate textures and colors of the surrounding rock formations, illuminated by natural light filtering through the arch. The atmosphere is serene, with the gentle sound of waves echoing within the cave.
  • ⑥ Jin Island《Bell Cave》Under the Arch
    After taking in the stunning views and capturing memorable photos, participants will prepare to continue their adventure by swimming through the cave's entrance. This exhilarating experience leads them deeper into the cave system, where they can explore more of Jin Island's natural beauty and geological wonders. With the boatman waiting nearby for their return, there's no need to worry about logistics as they embark on this unforgettable journey through nature's masterpiece.
  • ⑦ Jin Island《Bell Cave》East Entrance
    As participants emerge from the west entrance of Bell Cave on Jin Island, they are greeted by the breathtaking sight of the Bell cave's arch. The sunlight filters through the opening, illuminating the stunning hexagonal volcanic rock columns that line the cave's interior, creating an ethereal atmosphere reminiscent of intricate ice sculptures.

    Once inside the East Entrance of Bell Cave, participants can take a moment to appreciate the unique geological features and the powerful sound of waves crashing against the rocks.
  • ⑧ Jin Island《Goldfish Wagging Tails》Sea Stack
    Bell Cave is a stunning sea arch that stands out as a remarkable natural wonder. However, this impressive structure not only serves as a sea arch but is also a separate individual sea stack, showcasing the island's unique geological features. The arch rises 30 meters high and is renowned for its distinctive bell-like shape, which has been sculpted over centuries by the relentless force of ocean waves.
    After soaking in the beauty of this natural wonder, they will prepare to swim back to the speedboat, this journey through Bell Cave is an unforgettable experience that showcases the remarkable beauty of Hong Kong's UNESCO Global Geopark.

How To Book?

To book Splitdyboat's geopark double sea arches volcano coasteering experience, you can place an order directly on Splitdyboat official website.

If you choose to pay by bank transfer, please remember to contact Splitdyboat live customer service on WhatsApp after completing your payment, and provide them with your payment record for confirmation. We look forward to welcoming you on our tour!

📲 Splitdyboat (WhatsApp Live Customer Service)

When Do You Have Tours Running?

Splitdyboat run tours every single day — and yes, we really do accept solo bookings! Sounds too good to be true in Hong Kong, right? That's exactly why we founded Splitdyboat. We believe everyone should have the chance to explore our city's hidden coastlines, whether you're a solo traveller or a group of friends. No minimum headcount. No cancellations due to low numbers. Just great weather, stunning scenery, and a boat ready to go — with you on it.

‼️BOOK NOW: splitdyboat.com

Tour Price & Tour Time Session?

💰 Tour Price of Geopark Double Sea Arches Volcano Coasteering Experience

Our tour price is HKD 580 per person, and this rate applies to all ages. Please note that children must be accompanied by an adult during the tour, ensuring a safe and enjoyable experience for everyone.

Travelers from different countries can pay by credit card or opt for bank transfer, as we have other international bank accounts available. For bank transfers, the exchange rate will be based on the current rate.

🕰️ Tour Time Session of Geopark Double Sea Arches Volcano Coasteering Experience

We operate this tour every day with three sessions:

① 11:00AM - 01:00PM
② 02:00PM - 04:00PM
③ 04:15PM - 06:15PM

However, please note that if wind and wave conditions are unfavorable, we may need to cancel the tour. The best time to visit is between March and October, when the weather is typically more pleasant for outdoor activities.

BOOK NOW at SPLITDYBOAT.COM

Coasteering through Hong Kong's Largest Sea Arches, Volcanic Rock Columns Cliff - Kate Lam Lok Yee