Spend a full day cruising Ha Long and Lan Ha bays on a boat that combines kayaking, cave exploration, swimming and a local lunch. This active day tour from Cat Ba gives you close-up karst views, secret lagoons and a chance to see rare wildlife.
Spend a full day cruising Ha Long and Lan Ha bays on a boat that combines kayaking, cave exploration, swimming and a local lunch. This active day tour from Cat Ba gives you close-up karst views, secret lagoons and a chance to see rare wildlife.
The boat slips away from Cat Ba’s pier as limestone towers rise like ancient columns from the green water; sunlight skips across the bay and the channel seems to dare you to explore. For a day you trade streets for salt air — paddling quiet lagoons, threading kayaks into Bright and Dark caves, and dropping anchor at a small, soft-sand beach where the sea invites a swim.
Verified experiences and guided adventures in the surrounding area.
Operated by Full Moon Travel Asia (Cat Ba) · Cat Ba, Hai Phong
The boat slips away from Cat Ba’s pier as limestone towers rise like ancient columns from the green water; sunlight skips across the bay and the channel seems to dare you to explore. For a day you trade streets for salt air — paddling quiet lagoons, threading kayaks into Bright and Dark caves, and dropping anchor at a small, soft-sand beach where the sea invites a swim.
Geology here is the story: millions of years of coral and limestone uplifted and sculpted into karst islands and caves that define Ha Long and Lan Ha bays. Human history runs alongside it — floating fishing villages have worked these waters for generations, and the region is protected as a UNESCO World Heritage area because of its unique geomorphology and biodiversity.
On the water you’ll meet local guide knowledge: where to paddle to avoid boat traffic, which caves hold shade, and where the Cat Ba langur sometimes watches from the canopy. Expect fresh, local lunch served on deck and a lively finish back at harbor with a cold beer.
Practical notes: the day is about 8 hours with roughly 90 minutes of guided kayaking, short swims, and light cave walks; basic mobility and comfort entering/exiting small boats is required. Bring swimwear, reef-safe sunscreen, water shoes, and a light layer for wind. If you get seasick, take preventative medicine before boarding and sit mid-ship for the most stable ride. Book early in high season and respect protected areas — avoid touching corals and carry out all trash.
Most departures are from Cat Ba harbor; hotels on Cat Ba can arrange transfers or you can walk to the central pier depending on your lodging.
Yes — guided kayaking in calm lagoons is beginner-friendly; guides provide basic instruction and life jackets are supplied.
Boats typically have basic facilities and a shaded deck for changing; bring quick-dry garments and a towel for modesty and comfort.
Guides monitor conditions and limit shore time when currents are strong; always follow guide directions and wear provided life jackets when required.
Full Moon Travel Asia (Cat Ba) operates guided outdoor trips and adventures with an emphasis on safety, stewardship, and memorable experiences.




The boat slips away from Cat Ba’s pier as limestone towers rise like ancient columns from the green water; sunlight skips across the bay and the channel seems to dare you to explore. For a day you trade streets for salt air — paddling quiet lagoons, threading kayaks into Bright and Dark caves, and dropping anchor at a small, soft-sand beach where the sea invites a swim.
The boat slips away from Cat Ba’s pier as limestone towers rise like ancient columns from the green water; sunlight skips across the bay and the channel seems to dare you to explore. For a day you trade streets for salt air — paddling quiet lagoons, threading kayaks into Bright and Dark caves, and dropping anchor at a small, soft-sand beach where the sea invites a swim.
Geology here is the story: millions of years of coral and limestone uplifted and sculpted into karst islands and caves that define Ha Long and Lan Ha bays. Human history runs alongside it — floating fishing villages have worked these waters for generations, and the region is protected as a UNESCO World Heritage area because of its unique geomorphology and biodiversity.
On the water you’ll meet local guide knowledge: where to paddle to avoid boat traffic, which caves hold shade, and where the Cat Ba langur sometimes watches from the canopy. Expect fresh, local lunch served on deck and a lively finish back at harbor with a cold beer.
Practical notes: the day is about 8 hours with roughly 90 minutes of guided kayaking, short swims, and light cave walks; basic mobility and comfort entering/exiting small boats is required. Bring swimwear, reef-safe sunscreen, water shoes, and a light layer for wind. If you get seasick, take preventative medicine before boarding and sit mid-ship for the most stable ride. Book early in high season and respect protected areas — avoid touching corals and carry out all trash.