Cham Island: Underwater Walking & Snorkeling Tour

REVIEW · WALKING 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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Fish come to your hand down under. This Cham Island tour is built around underwater walking using an oxygen helmet, plus snorkeling to see the island’s reef life up close. I especially like the professional guides I saw repeatedly in the details, including Jimmy and Ho, who keep things organized and calm. The one catch to plan for: if the water is cloudy, fish visibility can be lower than what photos make it look like.

You’ll spend a long, fun day on the water. After pickup in central Hoi An or Da Nang, you ride out to Cham Island, then mix active time in the sea with downtime at Bai Chong Beach (including hammocks). If you’re worried about comfort or safety, note that this is not a “wandering around” outing, you’ll fill out a health questionnaire before the underwater breathing activity, and it is not recommended for pregnant travelers or people with heart or respiratory issues.

Key things to know before you go

Cham Island: Underwater Walking & Snorkeling Tour - Key things to know before you go

  • Oxygen-helmet underwater walking lets non-divers experience a guided stroll on the sea floor, with a safety diver close and visible.
  • Hand-feeding fish is a real highlight, where you get bread into your hand and watch fish gather around you.
  • Choose your ocean time: the day is set up so you rotate between snorkeling and the underwater walking/underwater breathing portion.
  • Guides matter here: Jimmy and Ho show up in feedback for being patient, fluent in English, and focused on safety.
  • Lunch is a whole moment: you’ll eat seafood on the island with enough time to relax before the return trip.

Narrowing it down? These Hoi An tours kept surfacing in our reviews.

From Hoi An Or Da Nang To Cua Dai Wharf: The Smooth Start

Cham Island: Underwater Walking & Snorkeling Tour - From Hoi An Or Da Nang To Cua Dai Wharf: The Smooth Start
Most people start with pickup from hotels in the center of Hoi An or Da Nang. Then it’s a short drive to Cua Dai Wharf, where you get set up for the long day ahead. This matters because you’ll want to arrive relaxed, not rushing for a docking time.

Once you’re at the wharf, you board and settle in. The tour includes an English-speaking driver, and there’s typically a guide who keeps the schedule moving so you do not lose time to confusion. If you’re traveling with kids, the structure is one reason this tour gets strong feedback.

One practical note: you’ll likely be in swimwear early or be ready to get in the water fast. A couple of visitors pointed out there’s limited changing space on board, so plan your day around that reality.

The Boat Ride To Cham Island: Traditional Feel, Fast Time

Cham Island: Underwater Walking & Snorkeling Tour - The Boat Ride To Cham Island: Traditional Feel, Fast Time
The ride to Cham Island is described as about 1 hour. It’s part relaxing, part getting your sea legs, and part anticipation because the activities are ready to go once you arrive.

You may expect a traditional Vietnamese boat, and the core experience is still about cruising off the Vietnamese coast. At the same time, some groups report a faster speedboat depending on the day, with shorter onboard time and quicker transitions between stops.

What I’d watch for on this ride is simple: weather and sea conditions. If you get motion sick easily, bring a small remedy and stay seated where the boat motion feels smoothest.

The Reef Plan: Snorkeling First, Then Underwater Walking Rotation

Cham Island: Underwater Walking & Snorkeling Tour - The Reef Plan: Snorkeling First, Then Underwater Walking Rotation
Your time on Cham Island is built around a rotation model. In plain terms, you’ll do snorkeling and underwater walking, but you won’t do everything at once. That’s good for beginners because the guides can focus on safety and equipment fit without crowding.

Snorkeling uses provided gear, and it’s designed for different comfort levels. In feedback, people who cannot wear contacts or who are not certified for scuba-style activities still found the snorkeling portion worthwhile, which is a good sign if you have glasses or no underwater training.

Then comes the part that makes this tour different. Underwater walking uses an oxygen helmet system, so you do not need scuba-style experience. A safety diver stays close, and you walk down and back up in a controlled way. Expect a short period of instruction, including an explanation of how divers communicate.

Oxygen Helmet Underwater Walking: What You Actually Do

Cham Island: Underwater Walking & Snorkeling Tour - Oxygen Helmet Underwater Walking: What You Actually Do
This is the signature act: you descend to the sea floor with an oxygen-helmet setup, then walk along while holding a railing. You are not left to figure it out yourself, guides and a safety instructor keep eyes on the group and help with the process.

What I like about this approach for first-timers is the level of support. Feedback mentions 1:1 guidance during the descend and ascend, plus secondary breathing gear if needed. It’s not just a marketing claim, it shows up in the way the guides handle transitions and help people feel secure.

You’ll also use footwear made for walking on the seabed. In the notes, some visitors mention aqua shoes for underwater walking, which makes sense because you’re stepping on a natural ocean surface, not a pool deck.

One more reality check: it takes a bit of courage to trust the helmet and the equipment. If you’re anxious, that’s not disqualifying, but it helps to go in with a calm mindset and listen closely during the safety briefing.

More of Hoi An, still worth your time

Hand-Feeding Fish On The Ocean Floor: The Magic Moment

Cham Island: Underwater Walking & Snorkeling Tour - Hand-Feeding Fish On The Ocean Floor: The Magic Moment
This is where Cham Island wins hearts. The tour includes the chance to hand feed fish on the ocean floor. You’ll be given bread, and fish gather around you as you walk along the reef area.

What’s genuinely cool is that this is not just “look at fish from the surface.” You experience a different scale. Fish swim close enough that you can see their patterns and behavior without chasing them.

In feedback, people describe seeing a mix of corals and reef life, including hard brain corals, anemones, and crown of thorns starfish, plus blue starfish. Fish variety can also depend on the day, and some visitors specifically noted the first snorkeling spot can be less active than another location later in the tour.

The practical takeaway: do not treat this like a guaranteed fish parade. You’re going to a living reef, and conditions change. Still, the overall experience is built for you to have that close, memorable interaction.

Bai Chong Beach Lunch And Hammocks: Where The Day Breathes

Cham Island: Underwater Walking & Snorkeling Tour - Bai Chong Beach Lunch And Hammocks: Where The Day Breathes
After the main water time, you head to Bai Chong Beach for lunch. The lunch is described as a delicious seafood meal, and multiple people call it out as a strong part of the day rather than an afterthought.

Time also matters here. One detailed note said you’ll be at lunch for about two hours. That gives you enough space to eat, change out of wet gear if you can, and actually relax.

On the beach portion, you can swim again or unwind in hammocks. The vibe shifts from “activity mode” to “slow travel,” which is a big reason this tour feels good even if you’re not obsessed with marine life. There are also mentions of clean facilities like toilets and changing areas, which is worth knowing since you’ll be wet.

Keep a little cash handy. Alcohol is not included, and you might want money for drinks and possibly beach chair hire, depending on what’s set out that day.

Safety, Health Checks, And Who This Suits

Cham Island: Underwater Walking & Snorkeling Tour - Safety, Health Checks, And Who This Suits
This tour is welcoming for different experience levels. Non-divers and non-swimmers are included for the snorkeling and underwater walking portions. That said, underwater walking and the oxygen-helmet activity still has health requirements.

All participants complete a health questionnaire prior to the underwater breathing activity. Some pre-existing conditions can prevent participation, including asthma and heart conditions. The tour also specifically notes it is not recommended for pregnant women and is not suitable for people with heart problems or respiratory issues. If any of that applies to you, it’s smart to speak with your doctor before you go.

Age is another point of planning. The minimum age is 8 years, so it’s not for younger kids.

If you like well-run tours where you get clear instruction and staff stay attentive, you’ll likely feel comfortable. People repeatedly mention the team is patient, friendly, and professional, and that matters a lot for a hands-on ocean activity.

Gear, What To Bring, And Small Details That Make Or Break Comfort

Cham Island: Underwater Walking & Snorkeling Tour - Gear, What To Bring, And Small Details That Make Or Break Comfort
The tour provides snorkeling equipment and lunch, plus mineral water. You still control your comfort with a few basics.

Bring comfortable shoes, a towel, and comfortable clothes. Plan to get wet, and do not count on having a lot of space to change. One practical tip from feedback: go in your swimwear because there is essentially no place to change on board.

For underwater walking, aqua shoes are provided in many cases, but you might still want water-friendly footwear if you’re going with kids. If you are sensitive to minor scrapes, also consider that one visitor warned about the boat being older with metal edges, where you could pinch your skin while climbing on or off. Use steady handholds and move slowly with kids.

Also bring a waterproof plan for your phone or camera if you have one. People mention storing items securely because you’ll likely get drenched during transitions.

Price Value At About $68: Is It Worth It?

Cham Island: Underwater Walking & Snorkeling Tour - Price Value At About $68: Is It Worth It?
At about $68 per person for a 7 to 8 hour day, the value comes from combining four things in one trip: boat time, snorkeling gear, guided underwater walking with an oxygen system, and a seafood lunch. Many single activities in Vietnam can cost close to that without including a meal and full transfers.

This price makes more sense if you want one ticket that handles the hard parts. You get professional guidance, safety instruction, and equipment so you do not need to manage rentals or find a reef spot on your own.

It’s less of a bargain if you’re only looking for casual snorkeling and would rather spend your day on your own timeline. The underwater walking portion is the big differentiator, and that part can feel intense if you dislike heights, enclosed gear, or sudden sensations.

What I’d Choose This Tour For

This is a great fit if you want a guided reef experience without needing scuba credentials. It also works for mixed groups because snorkeling and underwater walking are set up with rotation, so you are not all doing the exact same thing at the same time.

You’ll also like it if you want a balanced day: ocean time first, then a proper beach meal and a chance to do nothing for a while. That “active plus relaxed” mix is a big part of why people rate it highly.

If you’re a marine-life detail hunter, it can still satisfy you, but manage expectations about fish density from one day to the next. Conditions can shift, and reef life is not always as picture-perfect as promotional shots.

Should You Book Cham Island Underwater Walking & Snorkeling?

Book it if you want the rare chance to walk on the ocean floor with oxygen support and then feed fish by hand, all in one well-structured day. It’s also a strong choice if you appreciate staff who take safety seriously and guides who keep everyone organized, including English-speaking support like Jimmy and Ho.

Skip it or think twice if you know you cannot participate in underwater breathing activities due to health issues, or if you hate the idea of being in the ocean with limited changing space and a gear-focused schedule. If you can handle the equipment and the safety briefing, this tour is one of the better “one day, many experiences” options around central Vietnam.

FAQ

How long is the Cham Island underwater walking and snorkeling tour?

The tour runs about 7 to 8 hours. Starting times vary, so check availability for the exact schedule.

What’s included in the price?

The tour includes hotel pickup and drop-off in the center of Hoi An and Da Nang if you select that option, a professional guide and safety instructor, snorkeling equipment, lunch, and mineral water.

Is the tour suitable for non-swimmers and non-divers?

Yes. Non-divers and non-swimmers are welcome on this excursion. You can still enjoy snorkeling and the guided underwater walking experience.

What is the minimum age to join?

The minimum age is 8 years.

Is the tour safe for pregnant travelers or people with medical conditions?

It is not recommended for pregnant women. It is also not suitable for people with heart problems or respiratory issues, and everyone completes a health questionnaire before the underwater breathing activity.

What should I bring?

Bring comfortable shoes, a towel, and comfortable clothes.

Are alcohol and any extra photo options included?

Alcoholic drinks are not included, and you’ll need to purchase them if you want them. A micro SD card is also not included and is available for purchase.