Reviewed · HOI AN TOURS

Cham Island: Underwater Walking & Snorkeling Tour

★ 4.4 · 112 reviews From $68 Operated by Sea Trek VietNam · Bookable on GetYourGuide
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Walking along the ocean floor in a clear helmet is the star of this Cham Island day trip. You descend from the boat, breathe normally, hold a rail, and watch fish gather around you. It sounds unusual because it is, but the helmet makes this a realistic choice for non-swimmers and first-timers, not only confident swimmers.

I like the friendly safety setup and the chance to see marine life without needing a license or contact lenses. I also like the sensible shape of the day: snorkel, try the underwater walk, then sit down to a substantial seafood lunch before swimming or resting in a hammock at Bai Chong Beach.

The main caution is that sea conditions affect the view. Some sections can be cloudy, coral may look muted rather than brightly colored, and the first snorkel stop may have fewer fish than expected. The boat can also feel crowded, and changing clothes onboard may be difficult.

Key points to know before you book

Cham Island: Underwater Walking & Snorkeling Tour - Key points to know before you book

  • The helmet walk is the main attraction: You walk on the seabed with an air-filled helmet, railings, and close safety support.
  • You do not need a diving license: Non-swimmers and people who cannot wear contact lenses can still take part, subject to the health check.
  • Snorkeling and swimming add variety: You can enjoy the reef at the surface while waiting for your underwater-walking turn.
  • The seafood lunch is a real part of the value: Food is included at Bai Chong Beach, but drinks and some beach extras cost more.
  • Boat conditions vary: The advertised trip uses a traditional Vietnamese wooden boat, while some departures may use a faster boat.
  • Pack for a wet day: Bring a towel, comfortable clothing, water shoes, and a waterproof bag for anything you carry.

From Hoi An to Cua Dai Wharf

Cham Island: Underwater Walking & Snorkeling Tour - From Hoi An to Cua Dai Wharf

The day begins with pickup from hotels in central Hoi An or central Da Nang if you select that option. A shared car takes you to Cua Dai Wharf, where the island portion begins.

The exact start time changes by date, so check availability before arranging your morning. The full outing lasts about seven to eight hours, including transport, water activities, lunch, and the return trip.

The trip information describes a traditional Vietnamese wooden boat and roughly one hour on the water to Cham Island. That ride is part of the pleasure. Sit on deck, feel the wind, and watch the coast recede instead of treating the transfer as dead time.

Boat arrangements can differ. One departure used a high-powered speedboat carrying about 30 people and reached the island faster, while the main description calls for a wooden boat. If the vessel matters to you, confirm it when booking rather than assuming every departure uses the same boat.

A practical warning: the boat may have limited room, especially when equipment and several groups are onboard. Go dressed for swimming if possible. Changing clothes onboard may be awkward or impossible, and you will probably dry naturally during the ride back.

More Walking Tours in Hoi An

Getting ready for the underwater walk

Cham Island: Underwater Walking & Snorkeling Tour - Getting ready for the underwater walk

At Cham Island, the group is organized around several activities. You may snorkel, swim, rest on the boat, or wait for your turn to walk below the surface.

The underwater walk uses a large helmet that rests over your head and shoulders. Air is supplied while the helmet keeps water away from your face, so you can breathe without using a mouthpiece. You descend by ladder to the seabed, usually at a shallow depth of around 15 feet according to the detailed trip description.

Before entering the water, the safety staff explain how to communicate underwater. Follow this briefing carefully. The equipment is unfamiliar, and the biggest challenge for many people is trusting the helmet and taking the first steps below the surface.

The strongest part of the safety system is the close escort. A guide stays with each person during the descent and return, with additional breathing equipment available if needed. Participants are kept within sight, which matters if you are nervous or are bringing an older child.

The minimum age is eight. Children must still be comfortable following instructions and handling the ladder. The trip is not suitable for pregnant women, and a health questionnaire is required before the underwater activity. Asthma, heart problems, and other respiratory or medical conditions may prevent participation, so consult a doctor if any of these apply.

Snorkeling among Cham Island’s coral

Cham Island: Underwater Walking & Snorkeling Tour - Snorkeling among Cham Island’s coral

Snorkeling gives you a more natural view of the island’s underwater world. You float at the surface with provided equipment and look down at coral, small fish, anemones, and starfish.

The sea life can be excellent. Species seen on the trip include hard brain corals, crown-of-thorns starfish, blue starfish, and several kinds of fish. The attraction is not a giant wall of colorful coral. It is the chance to look closely at a living reef in a protected island setting.

Keep your expectations measured. Water clarity changes, and one snorkel stop may appear quiet or damaged compared with the photographs used to promote the outing. A second site may offer better views. Plastic has also been seen in the water, a disappointing reminder that even beautiful marine areas need care.

If you see litter, picking it up can help, but do not touch coral or marine animals. The guide can tell you what is safe to handle. Bread is used during the underwater walk to bring fish close, which creates an entertaining spectacle, but you should treat it as a brief activity rather than a natural feeding behavior.

The equipment is included, including snorkeling gear and, according to the detailed trip account, aqua shoes for the seabed walk. I would still bring your own water shoes if you have them, especially for children or anyone with sensitive feet.

The main event, walking on the seabed

Cham Island: Underwater Walking & Snorkeling Tour - The main event, walking on the seabed

The underwater walk is short, but it packs the day’s most unusual moment into a simple format. After descending, you hold a handrail and move along the ocean floor while the guide stays beside you.

Fish may gather around your hands when you are given food. This creates the close-up scene many people want from the trip, and it can be especially useful for anyone who cannot use standard swim goggles comfortably. Prescription glasses and contact-lens issues do not prevent participation in the helmet walk.

The experience is not the same as free swimming. You are connected to the boat by the air system, move along a defined route, and rely on staff to guide you. That is precisely why it works for beginners, but independent swimmers may find it controlled.

You may also have the option to purchase photographs or videos recorded by the staff. A micro SD card is not included and can be bought separately. If you prefer to record your own memories, ask what personal devices are permitted before entering the water, and protect anything you bring from spray.

Some participants find the first descent takes courage. That is normal. Concentrate on the breathing instructions, use the handrail, and let the safety guide control the pace. The detailed trip setup describes a one-to-one escort during the descent and ascent, a valuable feature for nervous adults and children.

The actual sea life may not match every promotional image. Cloudy water and limited fish are possible. Even so, the physical sensation of standing below the surface in an air helmet is the point, and it remains distinct from ordinary snorkeling.

Lunch and downtime at Bai Chong Beach

Cham Island: Underwater Walking & Snorkeling Tour - Lunch and downtime at Bai Chong Beach

After the water activities, you continue to Bai Chong Beach for lunch. The food is described as a generous seafood meal, with enough variety to make this more than a quick plate between activities.

Drinks are not included. Bring some Vietnamese currency or another accepted payment method for water, soft drinks, beer, or dessert. One important practical detail is that drinks may not be offered automatically, so ask for what you need when you arrive.

You have about two hours for lunch and free time, depending on the day’s pace. Swim from the beach, sit in a hammock, or simply let the salt water dry from your skin. This slower section keeps the trip from becoming a rush between equipment changes and boat transfers.

Beach facilities include toilets and changing areas according to the detailed account, but do not count on a private changing room onboard earlier in the day. Wear swimwear beneath your clothes and carry a towel in an easy-to-reach bag.

There may also be small charges for extras such as deck-chair hire. The lunch itself is included, so the additional spending should be modest unless you buy alcohol, drinks, souvenirs, or other add-ons.

How the $68 price holds up

Cham Island: Underwater Walking & Snorkeling Tour - How the $68 price holds up

At $68 per person, this is not the cheapest way to visit Cham Island. It is also more than a basic boat-and-snorkel outing. The price includes hotel pickup and drop-off when selected, a guide, safety instruction, snorkeling equipment, lunch, and mineral water.

The value comes from combining several services in one day. You would otherwise need to arrange transport to the wharf, an island boat, snorkeling gear, safety supervision, an underwater helmet session, and food. For a first visit, that convenience has real worth.

The underwater walk is the feature that makes the price easier to justify. If you only want to snorkel, compare this with a simpler reef trip. If you want a guided, low-barrier way to stand underwater without a license, the extra cost is more understandable.

The group format also matters. You rotate between snorkeling and the sea walk, so you may spend time waiting while other people take their turns. That is not wasted time if you enjoy the boat, swimming, or talking with the group, but it does mean the helmet portion is only one segment of a full-day excursion.

The tour has a rating of 4.4 from 112 ratings, which fits the overall picture: strong satisfaction with the staff, lunch, and unusual sea walk, alongside occasional complaints about cloudy water, plastic, boat arrangements, or limited explanation about the island.

Who will enjoy this Cham Island day?

Cham Island: Underwater Walking & Snorkeling Tour - Who will enjoy this Cham Island day?

I would recommend this for families with children aged eight or older, couples looking for something beyond standard snorkeling, and adults who want to see fish without formal underwater training. It is also a good match for people who wear prescription glasses and cannot use contact lenses.

The format suits mixed groups. One person can snorkel while another waits for the helmet walk, and non-swimmers can still join the excursion. You do not need to be an expert swimmer, but you should be able to follow staff instructions and handle a boat ladder with help.

It is less suitable if you want a quiet, private boat day. The shared setup can feel busy, and the vessel may have little room for changing or storing loose belongings. Pack only what you need, and use a genuinely waterproof bag because anything left exposed may get drenched.

Do not book if you are pregnant, have significant heart problems, or have respiratory conditions that could make the activity unsafe without medical clearance. The health questionnaire is not a formality to ignore.

English is the stated tour language, and the driver is listed as English-speaking. Named guides including Jimmy and Ho have been associated with this operation, though your guide may be someone else on the day. The important point is to expect instruction and safety support rather than a history-focused island tour.

What to pack and what to leave behind

Cham Island: Underwater Walking & Snorkeling Tour - What to pack and what to leave behind

Bring comfortable shoes for the boat and island, a towel, comfortable clothes, and water shoes. Wear your swimwear from the start if you want to avoid a difficult change later.

A waterproof bag is much better than a loose backpack. Plastic bags are not allowed on the island, so keep your belongings organized and avoid single-use plastic where possible.

Carry a little money for drinks, alcohol, dessert, and possible deck-chair hire. Leave valuables at the hotel. You need very little during the water portion, and a wet phone or wallet can spoil an otherwise good day.

Mineral water is included, but extra water is sensible if you are traveling with children. Sun protection is also practical, though the supplied information does not specify whether towels, sunscreen, or other personal items are provided.

Be careful around ladders, metal joints, and boat edges. One detailed account warned about sharp or awkward steel fittings, especially for children. Move slowly when boarding, climbing down, and returning to the boat.

Should you book it?

Cham Island: Underwater Walking & Snorkeling Tour - Should you book it?

Book this Cham Island tour if the underwater walk is the reason you are interested. It offers a rare chance to stand on the seabed, breathe through a helmet, and watch fish at close range without a license or advanced water skills.

The seafood lunch, beach rest, snorkeling, and island boat ride make the $68 price reasonable for a full day of included services. Staff support is another strong point, particularly for nervous adults and families.

Skip it if your priority is untouched coral, crystal-clear water, or a calm private boat. Conditions vary, and some stops may have cloudy water, limited fish, or litter. If you accept those limits and pack for a wet, shared outing, this is a fun and unusual addition to a Hoi An or Da Nang itinerary.

FAQ

How long does the Cham Island tour last?

The tour lasts about seven to eight hours, including hotel pickup when selected, boat travel, water activities, lunch, and the return journey.

Where does the boat leave from?

The boat leaves from Cua Dai Wharf after pickup and the short drive from Hoi An or Da Nang.

Is hotel pickup included?

Pickup and drop-off from hotels in central Hoi An and central Da Nang are available if you select that option.

Do I need a diving license?

No. The underwater walking activity does not require a license, and non-divers are welcome.

Can non-swimmers join the tour?

Yes. Non-swimmers are welcome, although all participants must follow the safety instructions and complete the required health questionnaire.

What is the minimum age?

The minimum age is eight years old. Children under eight cannot take part.

Is lunch included?

Yes. Lunch is included at Bai Chong Beach. Alcoholic drinks and other drinks are not included and can be purchased separately.

What should I bring?

Bring comfortable shoes, a towel, comfortable clothes, and water shoes. A waterproof bag is useful because your belongings may get wet.

Can pregnant women or people with medical conditions participate?

The activity is not recommended for pregnant women. Heart problems, respiratory issues, asthma, and other medical conditions may prevent participation, so consult a doctor before booking if any apply.

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