Reviewed · SNORKELING AND DIVING

Scuba Diving Day Trip at Koh Chang – 2 Dives

5.0 · 150 reviews From $130 Operated by bbdivers · Bookable on Viator
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The wreck or the reef, you choose your underwater story. This full-day Koh Chang outing gives certified divers two guided underwater sessions at either the HTMS Chang wreck or Koh Rang National Park. I like the small maximum group of four, which should make equipment checks and personal guidance easier. I also like that lunch, drinks, snacks, equipment, and hotel transfers are included. The main consideration is that the advertised price of $130.39 does not include national park fees, and the wreck option may suit confident divers better than anyone returning after a long break.

The day runs for about eight hours, beginning at 8:00 a.m. at BB Divers, a PADI 5 Star Dive Center in Koh Chang. I find the package appealing for the practical extras: you do not need to arrange a separate boat, carry your own full equipment kit, or search for lunch between sessions. Still, you should bring proof of certification and tell the operator about dietary needs when booking.

Key points at a glance

Scuba Diving Day Trip at Koh Chang – 2 Dives - Key points at a glance

  • HTMS Chang is the headline site: Explore Thailand’s largest shipwreck, with the structure rising through the water and reef areas nearby.
  • Koh Rang offers calmer conditions: The national park is known for shallow reefs, coral gardens, tropical fish, and several underwater and snorkel stops.
  • Four-person maximum: This is a useful limit for anyone who wants more direct help with gear, buoyancy, or site decisions.
  • Lunch and refreshments are built in: A buffet meal, drinks, and light snacks keep the day simple between sessions.
  • Experienced staff add confidence: Guides and crew named in the feedback include Oscar, Steve, Max, Mr. Cho, and Chang.
  • Check the extra costs: National park fees are separate, and another underwater session may cost 1,000 baht.

Choosing between the HTMS Chang wreck and Koh Rang

Scuba Diving Day Trip at Koh Chang – 2 Dives - Choosing between the HTMS Chang wreck and Koh Rang

The operator’s two main plans offer very different kinds of underwater sightseeing. The HTMS Chang is the more dramatic choice. Koh Rang is the gentler option, with protected reefs and generally calm, shallow water.

The wreck is described as the largest shipwreck in Thailand. You can expect a large steel structure that provides plenty to look at, along with marine life around the wreck and nearby reef sites. One account describes the wreck portion at about 18 meters, and suggests an Advanced Open Water certificate for that site. That detail matters, because the trip description also says the wreck is suitable for all levels. In practical terms, your certification, recent experience, comfort at depth, and the day’s conditions should guide the decision.

If you have not been underwater for some time, tell the staff before leaving. Steve has helped returning divers refresh essential skills and regain confidence. That sort of support can make a big difference, but it does not replace your own honest assessment of comfort and training.

Koh Rang National Park gives you a quieter alternative. The park contains 40 islands and is known for shallow reefs, calm water, coral formations, tropical fish, and underwater scenery. The schedule here includes three different snorkel and underwater stops, even though the package is marketed as a two-session trip. That may reflect the way the day is organized, with some stops intended for snorkelling or short site changes.

The protected setting is the key attraction. You are not visiting a single metal wreck. Instead, you get coral gardens and a broader view of the marine reserve. If you prefer relaxed observation over a large artificial structure, Koh Rang is likely the better fit.

Starting at BB Divers at 8:00 a.m.

Scuba Diving Day Trip at Koh Chang – 2 Dives - Starting at BB Divers at 8:00 a.m.

The meeting point is BB Divers at 16/2 Moo 1, Tambon Koh Chang Tai, Amphoe Ko Chang, Trat 23170. The listed start time is 8:00 a.m., and the experience ends back at the same meeting point.

Hotel pickup and drop-off are included, which is one of the package’s most useful features. The information does not specify a pickup schedule for individual hotels, so you should confirm the exact collection time and location after booking. If you plan to meet at the shop, leave enough time for certification checks, equipment fitting, and the morning briefing.

You must provide evidence of certification. This is not a beginner lesson or a trial session. You should arrive ready to show your qualification and explain your recent experience to the team.

The four-person maximum is unusually helpful for this kind of outing. A small group means the guide can pay closer attention to air use, buoyancy, comfort, and equipment. It also reduces the chance that the day feels like a large production with long waits between people.

Equipment, safety, and the role of the guide

Scuba Diving Day Trip at Koh Chang – 2 Dives - Equipment, safety, and the role of the guide

All necessary equipment is included. The feedback repeatedly praises the condition of the gear, along with the service from the office staff and crew. That does not mean you should skip your own checks. Make sure your mask fits, your fins are comfortable, and you understand the setup before the boat leaves.

The most consistent praise goes to the staff. Oscar is identified as boatmaster and is credited with running calm, safe outings to both the national park and the military wreck. Steve has helped less-experienced family members and people returning after time away. Max guided a wreck trip, while Chang led a private two-session outing. Mr. Cho and Steve are also singled out for strong service and good equipment support.

I would pay attention to this human side of the trip. A boat day can be memorable for the right reasons when the crew explains things clearly, handles equipment without fuss, and notices when someone needs help. It can also become tiring when instructions are rushed. The available feedback points strongly toward a friendly and organized operation, but you should still speak up if you feel uncertain.

One account describes a participant who could not finish because of an eye problem. That is a useful reminder to take discomfort seriously. If something feels wrong, tell the guide at once instead of trying to push through the final minutes.

The first underwater session: wreck structure or coral gardens

Scuba Diving Day Trip at Koh Chang – 2 Dives - The first underwater session: wreck structure or coral gardens

Your first main stop depends on the day’s plan and conditions. At the HTMS Chang, the attraction is the scale of the wreck. You can look at the ship’s towering structure and the marine life that gathers around it. A wreck gives the underwater route a strong sense of place, with recognizable features rather than only open reef.

The site may be exciting for experienced certified divers, but depth and comfort deserve attention. The trip description presents it as suitable for all levels, while a detailed account recommends Advanced Open Water training for the 18-meter section. Those two points are not necessarily contradictory, since the wreck can include different routes and depths. Ask the staff which parts are planned for your group.

At Koh Rang, the first session should feel more relaxed. Shallow reef areas let you spend time looking at corals, tropical fish, and small creatures such as nudibranchs. The park is also a better setting if you want to combine underwater time with snorkelling stops.

I like that the two choices cover different interests. The wreck offers a strong visual centerpiece. Koh Rang gives you protected reef scenery and calmer conditions. The drawback is that you may not be able to choose freely on the morning itself, since site selection can depend on the schedule and sea conditions. Ask BB Divers ahead of time if one location is your priority.

Buffet lunch, drinks, and the midday pause

A buffet lunch is included, along with free drinks and light refreshments. That matters on an eight-hour boat outing, since you are likely to be hungry after the first session and equipment work.

The food is not described in detail, so you should give the operator any dietary requirements when booking. Do not assume that a particular diet can be handled without advance notice. The meal is a practical part of the package rather than the main reason to book, but it saves you from arranging food separately.

The pause also gives you time to rest before the next session. You can drink, eat, and review the morning with the guide. If you are prone to motion sickness or fatigue, use this break sensibly. The schedule is already a full day, and an optional third session costs an additional 1,000 baht.

The second session and possible extra time underwater

The package promises two guided sessions. At Koh Rang, the broader plan can include three different underwater and snorkel stops, so the exact sequence may vary. At the wreck, the day may combine the ship with nearby reef areas.

That flexibility is useful. You get more than a single descent to one site, and the staff can present different types of marine life and scenery. It also means the day is not only about the wreck itself. Reef sections can provide color and smaller creatures, while the ship supplies the main structure.

An additional session may be available for 1,000 baht. Ask before the trip if you are interested, since the listing does not promise that it will always be offered or explain how it affects the timing. I would not add it automatically. Two sessions plus boat travel, lunch, and equipment handling already makes a solid day, especially if you have not been underwater recently.

What the $130.39 price really covers

Scuba Diving Day Trip at Koh Chang – 2 Dives - What the $130.39 price really covers

At $130.39 per person, the package is not the cheapest possible way to spend a morning in the water. Its value comes from what is bundled into that price: hotel transfers, all equipment, a professional guide, the boat outing, lunch, drinks, snacks, and two guided sessions.

The small group improves the value further. With no more than four participants, you are paying for a more personal format rather than a crowded boat operation. Several accounts also describe the service as flexible and well organized, with good equipment and attentive staff.

You still need to budget for national park fees if Koh Rang is the destination. That separate charge should be part of your comparison with other Koh Chang operators. The price also does not include an extra session, which costs 1,000 baht.

For a certified diver who wants a simple full-day plan, I consider the package fairly priced. You are paying for convenience and staff attention as much as for the underwater sites. If you already own equipment, do not need transfers, and want only one short session, the value may be less convincing.

Who will get the most from this trip

This outing suits certified divers who want a complete day without arranging each part separately. It should work especially well for:

  • Certified divers who want to see the HTMS Chang wreck.
  • People who prefer protected, shallow reef areas at Koh Rang.
  • Families or small groups who value direct help from the guide.
  • Anyone returning after a break and wanting a careful refresher.
  • Visitors who appreciate included food, transport, and equipment.

It is less suitable for anyone without certification. It may also be a poor match if you want a private itinerary guaranteed in advance, since the normal maximum is four participants and the exact site choice may depend on conditions.

The experience can suit less-confident certified divers, but you must be open about your ability. The staff can explain, assist, and guide you, yet you remain responsible for choosing a site that matches your training.

Practical details worth knowing before booking

Confirmation is provided at booking. Hotel pickup and return are included, but the exact transfer arrangement should be confirmed with BB Divers. The activity begins at 8:00 a.m. and returns to the meeting point after roughly eight hours.

Bring proof of certification. Tell the operator about dietary requirements at the time of booking. If Koh Rang is selected, expect an additional national park fee. If you want another session, ask about the 1,000 baht charge before the day begins.

Free cancellation is available up to 24 hours before the local start time for a full refund. Changes or cancellations made inside that 24-hour window are not accepted for a refund.

Should you book the Koh Chang underwater day trip?

I would book this trip if you are certified, want either the HTMS Chang or Koh Rang, and value a well-supported day with transport, equipment, meals, and a very small group. The strongest reasons are the attentive staff, the reported equipment quality, and the choice between a major wreck and a calm marine reserve.

I would pause if you are uncertain about your certification level, have not been underwater for a long time, or are counting every cost. Ask about the planned site, depth, park fee, hotel pickup, and the possibility of a refresher before paying.

For most certified visitors to Koh Chang, this is a practical way to reach the area’s main underwater sites without fuss. Choose the wreck for structure and a stronger sense of adventure. Choose Koh Rang for shallow reefs, coral, and a more relaxed day.

FAQ

Is certification required for this experience?

Yes. Evidence of certification is required from all divers taking part in the certified underwater activity.

What time does the trip start?

The trip starts at 8:00 a.m. and lasts approximately eight hours.

Where does the experience begin and end?

It begins at BB Divers, 16/2 Moo 1, Tambon Koh Chang Tai, Amphoe Ko Chang, Trat 23170, Thailand. The activity ends back at the same meeting point.

Is hotel pickup included?

Yes. Free hotel pickup and drop-off are included.

Are meals and equipment included?

Yes. The package includes all necessary equipment, a buffet lunch, drinks, beverages, and light refreshments.

Are national park fees included?

No. National park fees are not included in the listed price. An additional underwater session may also be available for 1,000 baht.

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