Walking on the sea floor feels unreal. On Cham Island near Hoi An, you snorkel, feed fish, and do underwater walking after a traditional boat ride.

I love how the oxygen helmet setup is designed for non-swimmers and non-scuba folks. I also love the seafood lunch on Bai Chong Beach, followed by real downtime to swim, or just lie back in the hammocks.

The one drawback to plan for is visibility. Some days the water can look cloudy, and you may see fewer fish than the pictures suggest.

Key things that make this tour worth your time

• Oxygen helmet underwater walking for first-timers (no scuba experience required)
• Hand feeding fish on the ocean floor from a guided rail and tether setup
• A classic boat ride out of Cua Dai Wharf with salt air and time to relax
• Bai Chong Beach break with seafood lunch and optional beach time
• Close safety support with instructors staying in your line of sight
• Photo and video options for purchase, plus mineral water included

Cham Island: Why Underwater Walking Feels Different Than Snorkeling

Cham Island sits just offshore from Hoi An, and it’s known for coral and fish you can see at close range. A normal mask and snorkel gets you floating above the reef. The underwater walking part puts you down on the ocean floor, with a helmet that supplies your air so you can focus on the scenery instead of breathing technique.

What I like most is how the experience works even if you are not a swimmer. You are not trying to keep pace like you would in open water. You follow a guide, hold a rail, and step into a controlled, paced routine that makes the whole thing feel manageable.

Then you get a very real payoff. Fish gather where you are, and hand feeding turns the reef into something you can interact with, not just observe from the surface.

Hoi An and Da Nang Pickup, Cua Dai Wharf, and the Boat Ride Out

Your day typically starts with hotel pickup in the center of Hoi An and Da Nang (if you select that option). You then head to Cua Dai Wharf, where you board a traditional Vietnamese boat. The ride out to Cham Island is about 1 hour, and it’s long enough to settle in, feel the wind, and get that vacation mode switched on.

This part matters more than it sounds. When you’re going to spend hours in the water, you want a smooth start. Having pickup handled for you removes the stress of timing, taxis, and where to stand. Also, the boat ride gives you time to shake off the day’s heat before the sea activity.

You should also keep in mind that the day is structured around water time, so you will likely feel the schedule. From pickup to return, expect roughly 7 to 8 hours total, depending on the start time.

Snorkel First, Then Rotate: How the Day Flows

Cham Island tours like this use a rotation between activities. The general pattern is snorkeling and underwater walking, while others are resting on the boat or switching gear. In practice, the snorkeling segment is relatively short compared to the full walk, and you usually move through steps on a clear timeline.

This rotation is one of the reasons I think the tour feels efficient. You do not sit around wondering when you’ll get your turn. You also avoid a scenario where only confident swimmers get their best time in the water.

What to watch for is group pacing. You might feel like the snorkeling time is quick, especially if your goal is lots of reef viewing from the surface. If you want the most hands-on moment, prioritize the underwater walking portion, because that’s where the fish-feeding interaction happens.

Also, plan for water conditions. Some days you’ll have excellent visibility. Other days the water may be cloudy, and fish can seem more spread out. That variability is part of ocean travel, not a dealbreaker, but it changes what you’ll notice.

Underwater Walking 101: Helmet, Rail, and Hand Feeding

The underwater walking is the headline, and it is simpler than many people expect. You go down with an equipment setup that includes an oxygen helmet placed over your head and supported around your shoulders. You keep holding the rail while you walk along the ocean floor, and you follow the guide’s cues for pacing.

What makes this feel doable is the support system. In the better-run sessions, instructors keep you within easy sight at all times, and you get close help during descent and ascent. One person might be with you 1:1 during key moments, and there can be backup breathing gear on hand if you need it.

Then comes the fish feeding. At floor level, you can hand feed fish guided by your instructor. It’s not about standing perfectly still for an award photo. It’s about trusting the equipment and letting the fish come to you. You’ll feel how quickly the reef life reacts when you offer food.

What you might see depends on the day, but the reef life can include hard corals, anemones, crown of thorns starfish, blue starfish, and lots of small fish. Even when conditions are less than perfect, walking among the living reef is one of those experiences that sticks.

A small mindset tip: don’t judge the reef by the first few minutes. If visibility is limited, focus on textures and motion. The ocean floor can still be fascinating even when fish look fewer than the ideal promo shots.

Bai Chong Beach Seafood Lunch: The Real Midday Reset

After the underwater activities, you head to Bai Chong Beach for lunch. You’re served a delicious seafood meal, and you get actual break time after being in and out of the water.

This is where the tour balances out. Without a good meal and downtime, snorkeling and underwater walking can feel like a constant sprint. Here, lunch buys you the reset you need. You also have time to swim again or relax in hammocks on the beach.

One practical note: drinks beyond mineral water are not included, but you can buy alcoholic drinks if you want them. Pack a little cash or be ready to pay for extras you choose on site.

Another small reality check: lunch time is long enough to feel like a break, but short enough that you probably will not explore the island independently. Think of it as a scenic beach pause, not a free-form day trip.

Safety and Staff Support: What Makes It Feel Well Run

Sea Trek VietNam provides the experience, and the best part of the operation is how much attention they give to safety and guidance. You’ll have a professional guide and a safety instructor with you, plus equipment for snorkeling.

Before you enter the water portion, they typically give instruction on how to communicate with the group. They may also use a short instructional video to set expectations. You should take that moment seriously. It makes the water time calmer for everyone.

For people who worry about underwater walking, I like that the system is built around coaching and close monitoring. The ratio of instructors to participants is generally strong, and you are not left to figure things out on your own.

If you want photos, the team may provide filming and photos during parts of the experience. You can usually purchase extra media afterward, and you might be able to use your own device too. If you plan to rely on the tour media, remember a micro SD card is not included and is sold separately.

What $68 Gets You, and What Might Cost Extra

$68 per person is a fair price for a full day that bundles transportation, equipment, instruction, and lunch. You are not just buying snorkeling. You’re buying the underwater walking experience, which is the specialized part with dedicated safety setup and helmet gear.

Here’s the value breakdown in plain terms:

• Transportation and pickup handling (in central Hoi An and Da Nang if selected)
• Snorkeling equipment
• Lunch plus mineral water
• Guide and safety instructor

What can add costs:

• Alcoholic drinks (available to purchase)
• Photos or video extras (including storage media sold separately, like micro SD)

Also, be honest with yourself about what kind of photos you want. If you came for a lot of underwater images, bring a plan for how you’ll store or buy media, because extra tech is not bundled.

What to Bring: Simple Items That Save You From Hassle

The tour gives snorkeling gear, but you still need to show up ready for wet and sandy conditions. Here’s what I recommend bringing:

• Comfortable shoes (and ideally something you can manage around water)
• A towel
• Comfortable clothes for the boat and beach segments

One detail to take seriously: there may be limited changing space once you’re at the island. So you may want to arrive ready to go, meaning swimwear under your clothes. This is more about comfort than vanity.

Also consider your hands and feet. The underwater walking uses aqua shoes for walking on the sea floor, and they should be provided, but if you have sensitive skin or you are traveling with kids, comfort planning matters. Some boats can have sharp edges and ladder joints, so keep alert while boarding and moving around.

If you are prone to motion discomfort, pack that common sense, too. You’ll be on the boat for about an hour each way, plus short water sessions.

And if you care about keeping gear dry, use a waterproof bag if you have one. Plastic bags may be restricted on the island, so a proper solution saves trouble.

Who Should Book (and Who Should Skip)

This is a good choice for mixed groups. Non-swimmers and people without diving experience are welcome, and the underwater walking helmet setup is designed so you can participate without scuba skills. You just need to follow instructions and meet the health requirements.

Minimum age is 8 years old, and it’s not recommended for pregnant women. It can also be a poor fit if you have certain medical conditions. You will complete a health questionnaire before the underwater activity, and asthma and heart conditions can prevent participation. People with respiratory issues should also take this seriously.

If you fall into any of these categories, check with your doctor first. Then decide. Ocean days are fun, but they should not feel risky.

Should You Book This Cham Island Underwater Walking and Snorkeling Tour?

Book it if you want a full day that combines classic Hoi An area convenience with a hands-on reef experience. The underwater walking is the big win, and the fish feeding makes it more than just pretty water.

I would hesitate if you have strict limits about medical conditions that could affect your participation in the underwater helmet activity. I’d also adjust expectations if clear water is your top priority, because visibility can vary day to day.

If your goal is variety, this tour delivers: boat ride, snorkeling, underwater walking, then a real seafood lunch and beach time. For most people, that combo feels like smart value.

FAQ

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

It’s listed as 7 to 8 hours. Starting times vary, so check availability for the exact schedule.

Where is pickup available?

Hotel pickup and drop-off in the center of Hoi An and Da Nang is available if you select that option.

What activities are included in the tour?

You’ll go swimming and snorkeling and also do underwater walking on the ocean floor. There’s also time for beach relaxation and a seafood lunch.

Is snorkeling equipment included?

Yes. The tour includes snorkeling equipment, plus mineral water and lunch.

What should I bring?

Bring comfortable shoes, a towel, and comfortable clothes.

What is the minimum age to join?

The minimum age to participate is 8 years old.

Can non-swimmers join?

Yes. Non-divers and non-swimmers are welcome on this excursion.

Who should not take this tour?

It is not recommended for pregnant women. It also may not be suitable for people with heart problems or respiratory issues, and you must complete a health questionnaire before the underwater activity.

Is the price only for the tour, or are extra items available to buy?

Alcoholic drinks are not included and can be purchased. Photos or videos may be available for purchase, and a micro SD card is sold separately.