Scuba Diving Day Trip at Koh Chang – 2 Dives

Two underwater sessions, one smooth Ko Chang day. You’ll choose between the famous HTMS Chang shipwreck and the protected reefs of Koh Rang National Park, with a small crew and a lunch break on the water. I like the small group size (max 4), and I also like how much is handled for you, from equipment to pickup. One thing to plan for: national park fees are not included.

This is the kind of trip that runs by crew names, not corporate slogans. I’ve seen how boatmaster Oscar keeps things organized, and how instructors like Steve and Mr. Cho focus on clear setup and comfort, even if it’s been a while since you were last underwater. With that said, the wreck can be more demanding depending on conditions and your training, so be honest about your level before you go.

Key Highlights You’ll Care About

• Two underwater sessions plus extra snorkel breaks depending on which area you visit, with a schedule that keeps you from feeling rushed
• Small group, max 4 people, which makes it easier to get individual attention with gear and buoyancy
• HTMS Chang wreck time, plus additional reef stops when conditions allow, for a mix of structure and reef life
• Koh Rang National Park options, known for calm water and shallow reefs where you can slow down and enjoy the scenery
• All equipment included, so you can travel lighter and avoid last-minute rentals
• On-board buffet lunch, free drinks, and snacks, which matters when you’re spending most of the day at sea

Price and Value: What You’re Actually Paying For

At $130.39 per person for an 8-hour day on Ko Chang, the headline cost is only part of the story. The real value is in what you’re getting bundled in, including hotel pickup and drop-off, use of equipment, a professional guide, and food and drinks on the boat.

Add it up like this: if you had to source gear, arrange transportation, and pay for meals separately, the total usually climbs fast. Here, your money mostly covers boat time, trained guidance, and a full-day experience that keeps you fed and hydrated.

Just remember one expense that does not come with the price: national park fees are excluded. If you’re budget-tight, I’d set aside extra for that in case your itinerary includes Koh Rang National Park.

The 8:00 Start and the Pace That Keeps You Comfortable

You start at 8:00 am from the Ko Chang Tai area at the meeting point, then you end back there after the day. The full day is listed at around 8 hours, which is a nice sweet spot. It’s long enough to feel like a real outing, but not so long that you’re stuck on a boat forever.

The pace is geared toward people who want a clear plan, not a chaotic scramble. One reason the trip feels “organized and relaxed” is that the crew runs on small-group attention, so you’re not waiting behind a big line for gear tweaks or briefings.

If you’re coming in with less recent experience, ask questions early during the setup. Guides like Steve are known for helping people get their bearings again fast, which can make a huge difference for comfort.

Two Site Choices on One Day: HTMS Chang vs Koh Rang

This trip is built around two different underwater experiences. The company’s pitch is simple: pick the wreck for structure and history, or pick the national park for calmer reefs.

HTMS Chang Wreck: Big Structure, Possible Depth Considerations

HTMS Chang is described as the largest shipwreck in Thailand, and it’s a major draw on Ko Chang. In plain terms, you get that classic wreck feel: towering structure, clear points of reference, and a change in scenery from normal coral-only sites.

The information also says the wreck is suitable for divers of all levels, but I’d still treat this as a “check your comfort” situation. One guide called out in feedback, Max, was associated with an experience around 18 meters, with a note that an advanced open water certificate helps for that profile.

So here’s the practical advice: before you commit, be upfront about your training level, how you handle depth, and whether you’re confident with buoyancy. If you’re not, ask what depth range the day plan is targeting. You’ll get more enjoyment when the plan matches your ability.

Koh Rang National Park: Calm Water, Shallow Reefs, Snorkel Breaks

Koh Rang National Park is a protected marine reserve with 40 islands. The big advantage for many people is how the program is described: calm waters and shallow reefs, plus a relaxed style of underwater time among corals and tropical fish.

This option also includes multiple stops that mix scuba time with snorkel breaks. That matters because it gives you a few chances to see the best that day, even if one spot is a little different due to currents or visibility.

If you tend to enjoy reefs more than wreck structures, or if you want a less intense day, Koh Rang is usually the more comfortable direction. It’s also a good pick if you want more “look and enjoy” time rather than focusing on navigating a big wreck.

Boat Setup, Equipment, and Why “Included” Is a Big Deal

Everything you need is listed as included: scuba equipment, a professional guide, and the boat logistics to get you between sites.

In feedback, the equipment side comes up as a strong point, with multiple mentions of it being well maintained. That’s not just a feel-good detail. Good gear reduces stress. It helps you focus on your breathing and buoyancy instead of wrestling with leaks or awkward fit.

You’ll also have the crew there to help with setup. If it’s been a while since your last session, this kind of hands-on check can be worth more than you think. A small tweak to weights, masks, or straps can turn a stressful day into a calm one.

One practical tip: if you wear contacts or are prone to eye irritation, tell the crew early. I’ve seen a case where something got in someone’s eye late in the outing, which is a reminder to be proactive about eye protection and comfort on a long boat day.

Lunch, Snacks, and the Real Reason This Trip Feels Relaxed

On the water, a lot of trips either forget lunch, rush it, or make it feel like an afterthought. This one is built around an on-board buffet lunch, plus free drinks and free snacks.

That matters because your appetite and hydration are part of your safety and comfort. When you eat on schedule and don’t have to track what you spent on food, you stay calmer during the second underwater session.

Another subtle win is how the day is organized around breaks. When the crew keeps things moving without feeling frantic, you spend less energy waiting and more energy enjoying the underwater scenery.

Small Group Max 4: The Hidden Superpower

A maximum group size of 4 travelers is a major part of why this is rated so highly. Smaller groups usually mean:

• shorter waits for gear help
• more time for personal check-ins
• quicker response if something feels off

That kind of attention matters for certified participants who want a smooth day, and it matters even more if you’re returning after a break. People specifically called out instructors like Steve for helping refresh skills and make sure everything feels familiar again.

Who This Experience Fits Best

This is designed for certified scuba participants. The requirement is clear: you need to show proof of certification to join. If you can provide that, the day is set up to be straightforward.

You’ll likely love this trip if:

• you want two underwater sessions in one day without long planning
• you prefer a small group and more personal guidance
• you care about having equipment, lunch, and drinks included
• you want either the wreck structure of HTMS Chang or the calmer reefs of Koh Rang National Park

It may be less ideal if:

• you’re not comfortable with depth and need a very gentle day profile
• you’re trying to keep costs ultra-low, since national park fees are extra and may apply
• you’re sensitive to feeling cramped by gear, unless you’ll take the time to get properly fitted early

Final Call: Should You Book This Ko Chang 2-Session Trip?

If you want a well-run Ko Chang day where the basics are handled and you get meaningful underwater time, this is a strong choice. The best reasons to book are practical: small group (max 4), equipment included, hotel pickup, and a full day with buffet lunch plus free drinks and snacks.

I’d only hesitate if you’re unsure about your ability for wreck depth, or if budget is tight and you don’t want any extra add-ons like national park fees. If that’s you, ask what depth the day plan targets before you go.

Bottom line: if you’re certified and you want a calm, guided, full-day plan with two underwater sessions and real comfort on board, this is the kind of outing that makes Ko Chang feel worth the effort.

FAQ

What do I get for the listed price?

You get hotel pickup and drop-off, a professional guide, use of equipment, beverages, buffet lunch, light refreshments, and drinks. The tour also covers the included activities during the day.

Do I need scuba certification?

Yes. Evidence of your scuba certification is required for anyone participating in this certified program.

Is the national park fee included?

No. National park fees are not included in the tour price.

How long is the trip?

The duration is listed as about 8 hours.

What sites are visited during the day?

The trip focuses on two well-known Ko Chang options: the HTMS Chang shipwreck and Koh Rang National Park.

How many people are in the group?

The maximum group size is 4 travelers.

What time does the experience start?

The start time is 8:00 am.

Can I add extra underwater time?

Additional sessions may be available for an extra fee of 1000 Bht.