Combine a relaxed day cruise through Lan Ha and southern Ha Long Bay with guided kayaking into hidden lagoons—and cap the night with a paddle that lights up with bioluminescence. Expect scenic karst tunnels, floating villages, and a physically engaging 13-hour outing.
More ways to explore the area's outdoor wonders
The boat slips out of Cat Ba’s harbor before the day warms; limestone towers push up from glassy water and the islands seem to edge closer as the engine hums. By midmorning you’re threading a narrow tunnel of karst, paddles whispering, sunlight cutting through emerald water into hidden lagoons. Later, as dusk falls, the paddles stir the sea and a faint, electric blue blooms where your hands move—bioluminescence answering each stroke.
Difficulty
moderate
Duration
13 hours
Fitness Level
Moderate—comfortable walking and repeated paddling for 1–2 hour sessions; able to get in/out of small boats.
Wildlife
History
Fishing and floating-village life in Lan Ha Bay dates back generations; many communities still rely on small-scale fishing and aquaculture within karst channels.
Conservation
Tourism pressures can stress fragile ecosystems—avoid single-use plastics, don’t touch reefs or disturb bioluminescent patches, and support operators that follow low-impact practices.
Reserve your spot on the What a great combination, day cruise and night kayak with glowing biolumenescent today and enjoy a trusted, highly rated experience designed to help you make the most of your adventure.
Bring a dry bag
Protect phone, camera, and extra layers—night paddles and beach stops mean gear will get splashed.
Take motion-sickness meds if prone
Open-water crossings and boat movement can trigger seasickness—medicate before boarding.
Use reef-safe sunscreen
Avoid lotions with oxybenzone to protect the bay’s marine life and coral.
Follow guide safety briefings
Night kayaking and cave passages require attention to guide instructions about tides and group spacing.
Dry bag (10–20L)
Keeps electronics and clothes dry during transfers and night paddling.
Reusable water bottle
Hydration is crucial during long, sunny days on deck and active paddling.
Quick-dry clothing and rashguard
Dries fast after swims and protects from sun during long exposures.
summer
Headlamp with red light option
Hands-free light for boarding after dark and to avoid disturbing bioluminescence with bright beams.