Koh Chang: 3 or 4 Islands Snorkel & Beach Tour by Big Boat

Clear water, warm seas, easy island hopping. This Koh Chang boat trip offers a straightforward day of snorkeling, swimming, beaches, and Thai food without the price of a private charter. I especially like the spacious big boat and the useful hotel transfers from Koh Chang’s west coast. The underwater photographer is another nice touch, particularly if you want a few holiday photos without carrying a camera into the sea.

The main choice is between a shorter 3-island trip and a longer 4-island route through Koh Rang National Marine Park. I would choose the 4-island option for stronger snorkeling, but you should expect an extra national park fee and a longer ride. On rough days, the boat can roll and feel uncomfortable, so this is not the best outing for anyone prone to seasickness.

Key points before you book

• Two routes suit different energy levels: The 3-island tour runs roughly 10:30 AM to 4 PM, while the 4-island route runs about 9:30 AM to 4:30 PM.
• The 4-island route includes three snorkeling stops: Koh Yak Lek, Koh Mapring, and Koh Yak Yai, plus a longer beach and free-time stop at Koh Rang.
• The 3-island trip is shorter and more relaxed: You visit Koh Wai, Koh Lao Ya Nai, and Koh Klum, with two snorkeling areas and an hour at a beach.
• The big boat has shade, seating, and a toilet: It is more comfortable than a cramped speedboat, though it can still feel busy on full departures.
• Lunch and fruit are included: Expect a basic chicken-based Thai meal, fresh fruit, water, and coffee. Vegetarian food requires advance notice.
• Bring cash for the 4-island fee: The national park charge is 200 baht per adult or 100 baht for children aged 5 to 9.

Choosing between the 3-island and 4-island routes

The 3-island tour is the sensible pick if you want a half-day-style outing with less time on the water. The boat travels about 40 minutes from the pier, then visits Koh Wai, Koh Lao Ya Nai, and Koh Klum. You get two snorkeling stops where you can also swim toward shore, followed by about an hour on a beach.

This route works well for families, first-time snorkelers, and anyone who wants a taste of the islands without giving up the entire day. There is also a chance to try simple fishing in open water. The shorter schedule does not mean a rushed trip, but the snorkeling is less extensive than on the longer route.

The 4-island tour travels farther, about 1.5 hours from the pier, to Koh Rang and three nearby islets. The route includes Koh Yak Lek, Koh Mapring, Koh Rang, and Koh Yak Yai. Three stops focus on snorkeling, and you also get roughly an hour at a white-sand beach.

I would pick this option if seeing fish and coral is your main goal. The islets around Koh Rang are close together, so you get repeated time in the water rather than a long series of unrelated island visits. The tradeoff is an earlier pickup, a longer day, a longer first boat ride, and the 200 baht national park fee for adults.

The ride from Bang Bao Pier

The tour begins at Bang Bao Pier, or with a shared car pickup from hotels on Koh Chang’s west side. The transfer area reaches as far as White Sand Beach. Pickup for the 3-island tour runs approximately from 9 AM to 9:50 AM, while the 4-island tour usually collects passengers from 8 AM to 8:50 AM.

If you stay on the north or east side of Koh Chang, hotel pickup is not available. You will need to arrange your own transport to the meeting point. The operator asks you to arrive at 10 AM when using the meeting point, and the walk from parking to the pier can take time.

The shared transport may feel packed, especially with beach bags and snorkeling gear. Still, it is included in the price and saves you the trouble of arranging a taxi. If you are driving, parking at the meeting point is free according to the tour information, though a parking charge of around 70 baht may apply in some circumstances. Bring cash and allow extra time.

What the big boat is really like

The boat is one of the strongest parts of this outing. You get proper seats, open areas, covered sections, and enough room to move around. That matters on a long day when you are switching between wet swimwear, sun, shade, and lunch.

It is not a private yacht. Some departures may feel crowded, and one account describes the boat as a little full, which is normal for a low-cost group excursion. Still, the big boat gives you more stability and space than a small speedboat, and a toilet is available onboard.

The ride can become bumpy when the sea is rough. A few people have found the motion strong enough to need seasickness medicine, and the crew may offer a tablet. I would bring your own preferred remedy if you know you are sensitive. Sit in a central area, watch the horizon, and avoid arriving on an empty stomach.

The crossing is part of the day, not merely a transfer between stops. You will see open sea and nearby islands, but the boat engine can make spoken instructions difficult to hear. If you miss an announcement, ask the guide to repeat it rather than guessing when to return to the boat.

The 4-island snorkeling route, stop by stop

Koh Yak Lek

Koh Yak Lek is one of the first snorkeling stops on the longer route. You get around 40 minutes for swimming and snorkeling, which is enough time to settle into the mask, check the water, and look for fish around the coral.

This first stop can feel brief if you are new to snorkeling. Use the boat ride to adjust your mask and ask the crew for help before entering the water. Life jackets and masks are supplied, but fins are not listed as included, and several people wished they had been provided. If you are a weak swimmer, keep the life jacket on and stay close to the guides.

Koh Mapring

The next 40-minute stop at Koh Mapring keeps the focus on underwater sightseeing. The islands on this route are close together, so you do not spend much time waiting between snorkeling sessions.

That efficiency is good for anyone who wants more water time. It is less appealing if you prefer long quiet stretches between activities. The reef areas may look similar from one stop to the next, though changes in light, fish, and water clarity can make each stop feel different.

Koh Rang

Koh Rang gives you the longer pause, with about an hour for visiting, swimming, and free time. This is the route’s main chance to get onto a beach and dry off a little before the final snorkeling stop.

The white sand and clear water are the visual payoff, but beach access can depend on conditions. One person had difficulty getting ashore because the pontoon did not reach the beach. Water shoes are a smart addition because exposed sand or rocks can feel hot underfoot.

Koh Yak Yai

The final stop, Koh Yak Yai, provides another 40 minutes for swimming and snorkeling. By this point, you will have had plenty of time in the sea, so this stop works best for people who came mainly for the underwater world.

The water may be shallow in places, so do not assume every section is suitable for strong swimming. The crew can point out fish and guide you toward better areas. An underwater photographer may also be working during the snorkeling sessions, so tell the guide clearly if you want your photo taken. Do not assume every participant will automatically be included.

What the 3-island route offers

The 3-island tour visits Koh Wai, Koh Lao Ya Nai, and Koh Klum. The first two snorkeling areas also let you swim toward shore, which is useful for children and nervous swimmers who would rather begin in shallow water.

Koh Lao Ya Nai includes about an hour for beach time and swimming. This longer pause gives the trip a more relaxed rhythm than the 4-island option. You can enjoy the turquoise water, take a break from the mask, and let children play on the beach.

Koh Wai provides another snorkeling and swimming stop. The 3-island route is a good introduction if you are unsure how much sea time you want. You still get two snorkeling areas, one longer beach stop, lunch, fruit, and the boat ride, but there is no national park fee.

The route also includes a chance to try fishing in open water. Do not book this as a dedicated fishing charter, though. It is a small extra activity within a snorkeling day, and the main focus remains swimming and island beaches.

Fish, coral, and the underwater experience

The sea life is the reason to choose this trip. The water can be warm and clear, with colorful fish, coral, shells, and plenty to look at around the reefs. Some people have even spotted a turtle.

Your expectations matter. If you have snorkeled around famous scuba sites with large coral formations, you may find some of the reefs less colorful than hoped. The appeal here is easy access, warm water, frequent fish sightings, and several short snorkeling sessions rather than one exceptional reef.

The guides can swim down and point out animals underwater, which is helpful when you are not sure where to look. The crew also assists children and non-swimmers. One child was helped through much of the snorkeling, and a non-swimmer was carried by the crew so she could safely take part.

You should still be comfortable in open water, or tell the crew immediately that you need help. The tour is not suitable for children under 2, pregnant women, wheelchair users, or people with back problems.

Lunch, fruit, and what to bring

Lunch is freshly prepared onboard and usually chicken-based. It is a basic Thai meal rather than a restaurant spread, but the portions are described as generous and the food is often better than expected. Water, coffee, and fruit such as watermelon and pineapple are also included.

Vegetarian meals are possible if you notify the operator one day in advance. If you have other dietary needs, mention them as early as possible, since the information specifically confirms vegetarian arrangements but not every type of restriction.

Some drinks and snacks may be available for purchase, including beer, soda, noodles, and crisps. Bring cash for these, the park fee, and any other purchases. Pack swimwear, a towel, sunscreen, sunglasses, and snacks. Water shoes are useful for hot or rough beach surfaces.

The underwater photographer is a pleasant bonus. The photographer takes candid boat pictures and underwater images, but you should speak up if you want to be included. The crew may not always explain the photo process clearly to everyone.

Price and overall value at $28

At about $28 per person, this is strong value for a full boat day with transport, a guide, equipment, lunch, fruit, water, coffee, and several island stops. A private boat would cost far more, while the included hotel transfer removes one of the usual costs and hassles on Koh Chang.

The 3-island option is the better bargain if you want a shorter outing and no park charge. The 4-island option costs more once you add the 200 baht adult fee, but you get three snorkeling locations in Koh Rang National Marine Park and a longer beach break.

The price also explains what you should not expect. This is a shared group boat, not a quiet private cruise. The main guide may speak quickly, and engine noise can make instructions hard to follow. A few people also found that the islets were close together, leaving little quiet time between stops.

For most people, the combination of friendly crew, reliable transport, good equipment, warm water, and included food makes the price easy to justify.

Weather, safety, and timing

Sea conditions control the day. Schedules may change because of weather, and rain can arrive suddenly, especially during monsoon season. If conditions are unsafe, the trip can be canceled, with the option to reschedule or receive a full refund.

Do not treat a cloudy morning as proof that the tour will be ruined. The water can still be clear in rainy season, but conditions vary. Pack sunscreen and a rain layer if you have one, and keep valuables protected from spray.

Hotel pickup is shared, so be ready during the stated pickup window. If you are late, the driver may wait a few minutes, but after that the booking can be marked as a no-show. That is one reason I prefer arriving early rather than trying to cut the timing close.

Should you book this Koh Chang boat tour?

I would book the 4-island tour if snorkeling is your main reason for going, you are comfortable with a longer ride, and you do not mind paying the national park fee. It gives you the most time in the water and the best chance to see coral and fish around Koh Rang.

Choose the 3-island tour if you want a shorter, easier day, are traveling with children, or prefer more beach time and less open-water travel. It is also the better choice if you want to avoid the extra park charge.

This is a good fit for families, first-time snorkelers, couples, and budget-conscious visitors who want a complete island day without organizing boats and transfers themselves. I would skip it if you need a private, quiet experience, have serious seasickness, or expect world-class coral at every stop.

FAQ

How long is the 3-island tour?

The 3-island route starts at about 10:30 AM and ends around 4 PM. Hotel pickup takes place earlier, generally between 9 AM and 9:50 AM on the west side of Koh Chang.

How long is the 4-island tour?

The 4-island route usually runs from about 9:30 AM to 4:30 PM. Hotel pickup generally takes place between 8 AM and 8:50 AM from eligible hotels.

Which islands are visited on the 3-island tour?

The route visits Koh Wai, Koh Lao Ya Nai, and Koh Klum. It includes two snorkeling areas and about an hour at a beach for swimming and relaxing.

Which islands are visited on the 4-island tour?

The route visits Koh Rang, Koh Yak Yai, Koh Mapring, and Koh Yak Lek. Three stops focus on snorkeling, and Koh Rang includes about an hour for swimming and free time.

Is hotel pickup included?

Hotel pickup and drop-off are available from the west side of Koh Chang, as far as White Sand Beach. Hotels on the north or east side are not covered, so you must arrange transport to Bang Bao Pier.

Is the national park fee included?

The 4-island tour requires an additional national park fee of 200 baht per adult or 100 baht per child aged 5 to 9. The 3-island tour has no national park fee.

Is lunch included, and can I request vegetarian food?

Lunch, fruit, water, and coffee are included. The meal is chicken-based, but vegetarian food can be arranged if you notify the operator one day before the tour.