Advanced Adventurer – 2 days ( Advanced Open Water)

Underwater skills get better fast here. The SSI Advanced Adventurer course in Koh Tao combines five specialty sessions over about two days, including navigation, buoyancy, wreck exploration, night conditions, and a deep specialty that qualifies you to go as far as 30 meters. I especially like the small maximum group of four and the chance to sample several specialties before committing to longer specialty courses.

I also like the choice of the HTMS Sattakut wreck and the night session, two experiences that give the course more character than a simple classroom upgrade. The main consideration is timing: the course can take two or three days, depending on sea conditions and the specialties selected, so you should leave room in your schedule.

Key points at a glance

• Five specialty sessions: You work on buoyancy, navigation, depth, wreck skills, and night conditions.
• Certification to 30 meters: Completing the deep specialty allows a maximum depth of 30 meters.
• HTMS Sattakut wreck: You learn basic wreck procedures while exploring one of Koh Tao’s named underwater sites.
• Night session included: After sunset, the underwater setting changes and nocturnal marine life appears.
• Small groups: The course has a maximum of four participants, useful when you want close instruction.
• Strong guide praise: Oni, Safari, Ae, Rosita, and P’A are singled out for calm instruction, safety, humor, and encouragement.

What the two-day SSI course actually gives you

The SSI Advanced Adventurer course is not one long specialty course. It is a sampler. You complete five underwater sessions, each linked to a different area of training, then use those experiences to decide what you want to study in more detail later.

That format is useful if you already hold an entry-level qualification but are not sure where your interests lie. You might enjoy navigation more than expected, prefer wrecks, or find that night conditions are the most memorable part of the course. Instead of choosing a specialty based on a name alone, you get a practical introduction first.

The course is listed at about two days, though it can stretch to three. Conditions matter, as does the selection of specialties. I would not book this immediately before a flight, ferry connection, or other fixed appointment. The extra day is not a flaw, but it is something you should plan around.

The listed price is $326.11 per person. That is a considerable cost, but you are paying for five separate training sessions, an instructor, equipment and site access associated with the course, plus a new maximum depth of 30 meters after completion. For someone who wants more than a basic qualification, the price makes better sense than booking five unrelated introductory specialty sessions.

Meeting at Koh Tao Scuba Club at 9:30 a.m.

You begin at Koh Tao Scuba Club, at 8 21 Moo Koh Tao, Surat Thani 84310. The stated start time is 9:30 a.m., and the activity ends back at the same meeting point.

Pickup is offered, which may make the morning easier, but you should confirm the exact pickup details when booking. The meeting point is also near public transportation. That gives you some flexibility if you are arranging your own way there.

The course requires a moderate level of physical fitness. That is worth taking seriously. You do not need to treat the course like an athletic event, but you should be comfortable with the physical demands of scuba training and with spending time in the water.

The group limit of four is one of the best practical features. A small group means less time waiting for other people and more opportunity to ask questions. It can also make a difference when you are working on navigation, buoyancy, or a new underwater procedure and want your instructor’s attention.

Koh Tao’s calm training conditions

Koh Tao is well suited to instruction because its sites generally offer suitable depth, visibility, and calm conditions for course work. That does not promise perfect water every day, but it means the island can support beginners and continuing students across a broad range of ability levels.

For you, this matters because advanced training is easier when the conditions do not fight every exercise. Navigation practice becomes more useful when you can focus on headings and natural markers. Buoyancy work also benefits from a calm setting, since you can think about body position and breathing rather than simply coping with rough water.

Conditions can still alter the schedule. The operator states that poor weather may lead to a different date or a full refund. That is a sensible policy for a water-based course, and it is another reason to keep a little space in your itinerary.

Perfect Buoyancy: the skill that improves everything else

Perfect Buoyancy is a recommended specialty session, and it may be the most useful one in the whole course. Buoyancy control affects comfort, air use, safety, and how gently you move around the underwater environment.

You work on staying balanced in the water instead of continually kicking or adjusting your equipment. That sounds basic, but it is the foundation for nearly every other skill in the course. Navigation is easier when you can hold your position. Wreck practice is more controlled when you are not drifting into structures. Night conditions feel less stressful when you can stop, look, and think.

I would strongly consider keeping this session in your five, especially if your entry-level course felt rushed or if you still use your hands to maintain position. It may seem less dramatic than a wreck or night session, but the practical benefit lasts longer.

Navigation: learning to find your way back

The navigation session focuses on planning your route and finding your way back to the boat underwater. This is an important step beyond simply following an instructor or another participant.

The value here is confidence. You learn to pay attention to direction, distance, and reference points instead of relying entirely on someone else. It gives you a clearer sense of what is happening during a planned underwater outing.

Navigation can also reveal how you learn best. Some people prefer a compass. Others understand a route more easily by watching the shape of the site and using natural markers. A small group is helpful here because the instructor can explain the process without turning it into a crowded exercise.

Do not expect this session to make you an expert navigator in one morning. Its real purpose is to give you a working introduction and a safer way to think about route planning.

The 30-meter specialty: a measured step forward

The deep specialty takes you farther than entry-level limits and qualifies you to a maximum of 30 meters after completion. That is a meaningful progression, but it should not be treated as a race to reach a number.

You learn to follow a plan at greater depth and to pay closer attention to your equipment, time, and surroundings. The session is valuable because it helps you understand how depth changes the way you manage an underwater outing.

The wording matters: 30 meters is a maximum, not a target for every future session. You should still follow the rules of your certification, your own experience, and the conditions at the site. If you are new to advanced training, the instructor’s safety-first approach is especially important.

The course description recommends a planned deep session rather than an improvised descent. That is exactly the right attitude. You get the qualification, but the larger gain is learning how to prepare for greater depth responsibly.

HTMS Sattakut: a wreck session with a real focus

The wreck option takes you to the HTMS Sattakut, where you learn the basics of wreck procedures. This gives the course a clear sense of place. You are not only practicing a skill in open water, you are applying it around a named site with a distinct structure.

Wreck training usually requires careful attention to position, buoyancy, surroundings, and limits. Here, the emphasis is on the basics, so you should not expect an advanced penetration course. The session is better understood as an introduction to how wreck environments differ from reefs and open-water sites.

That distinction is useful when deciding if this specialty belongs in your five. Choose it if you are curious about wrecks and want a first look at the discipline. Skip it in favor of another option if you already know that structures underwater do not interest you.

The HTMS Sattakut is also likely to be one of the most memorable parts of the course simply because it gives you something specific to explore. The night session may be the most atmospheric, but the wreck provides the strongest sense of an actual destination.

Night conditions when the marine world changes

The night specialty lets you experience the site after the sun has gone down, when nocturnal marine life becomes active. It is not just the same outing in darker water. Your attention shifts toward your light, your position, and the small changes around you.

This session is often the emotional highlight of the course. One participant specifically called the night session a favorite, while also praising the instructor for creating a safe and enjoyable setting. That combination matters. Night conditions can feel exciting, but they are much more enjoyable when you trust the person guiding you.

You should expect a different pace and mood. The darkness narrows your view, and the beam of a light becomes part of the experience. Marine life that stays hidden during daylight may appear, giving the site a new character.

If you are nervous about darkness, tell your instructor early. Safari is praised for helping people feel calm and confident, and the course is designed around instruction rather than bravado. You should never feel pressured to act tougher than you feel.

Choosing your five specialties

The recommended set is Perfect Buoyancy, Navigation, Deep, Wreck, and Night. Together, they make a well-rounded course because they cover control, route finding, depth, site type, and time of day.

You may be able to choose different specialties, since the course is described as a way to sample options based on your interests. Conditions and available sites can affect that choice. Ask what is possible before the first session if you already have a particular goal.

I would choose the full recommended group if you want the broadest introduction. It includes the most practical skill, the most useful planning skill, the new depth limit, a distinctive wreck, and a memorable night setting.

If you are mainly interested in future wreck courses, give extra weight to HTMS Sattakut. If confidence is your priority, keep Perfect Buoyancy and Navigation. If you want the experience that feels most different from ordinary daytime training, choose Night.

Instructors who shape the experience

The course appears to benefit greatly from its instructors. Oni, also named Onilio, is praised for being confident, clear, safety-focused, and fun. That is a good mix for an advanced course, where you need both firm guidance and enough room to enjoy yourself.

Safari receives especially warm praise for creating calm and confidence. That is important for the night session and for anyone who still feels nervous when conditions change. An instructor who can explain a skill without making you feel embarrassed is worth a great deal.

Ae is praised for professionalism and for making the course enjoyable while teaching a lot. Rosita is remembered for humor and clear teaching, while P’A receives praise for making the overall experience fun and welcoming.

You can request a preferred instructor, but availability is not stated, so treat a request as a preference rather than a guarantee. The consistent themes are safety, encouragement, humor, and personal attention. Those qualities matter more than a flashy teaching style when you are learning new underwater skills.

What the high rating means for your decision

The experience currently carries a 5 out of 5 rating from 206 reviews, with 100 percent recommendation shown in the supplied details. The most repeated praise centers on the instructors, especially the feeling of safety and confidence they create.

That praise is more useful than a simple perfect score. It tells you what kind of course this is likely to be: social, supportive, and focused on helping you enjoy the training rather than rushing through a checklist.

The comments also repeatedly mention beautiful reefs and plenty of fish. Marine conditions can change, so you should not treat that as a guarantee of a particular animal or visibility level. Still, Koh Tao’s generally calm course conditions make the setting a strong part of the value.

A perfect rating does not remove the need to check your own priorities. The course still requires moderate fitness, may take an extra day, and may not suit you if you only want one specific specialty. Its strongest value comes from variety and instruction.

Who should book this course?

I would recommend the Advanced Adventurer course to you if you have completed entry-level training and want more confidence before arranging independent underwater outings. It suits people who want to test several interests instead of choosing a single specialty from a list.

It is also a good choice if you enjoy learning through practical sessions. You will not spend the whole course in a classroom. Each specialty gives you a different task and setting, from route planning to wreck exploration and night conditions.

The course may be less suitable if your schedule is fixed to exactly two days. Since it can take two or three days, you should allow flexibility. It may also be unnecessary if you already know that you only want one specialty and would prefer a more focused course.

The small group limit is helpful for people who want questions answered and skills checked closely. If you prefer a private instructor, that is not promised, but four participants is still a relatively personal arrangement.

Booking, cancellation, and practical planning

Confirmation is provided at booking, and mobile tickets are available. Pickup is offered, while the main meeting point is Koh Tao Scuba Club and the course ends there.

You can cancel for a full refund up to 24 hours before the 9:30 a.m. start time. Inside that 24-hour window, cancellations and changes are not accepted and the payment is not refunded.

Poor weather is handled differently. If conditions force cancellation, you will be offered another date or a full refund. Because the course may need two or three days, I would schedule it early in your Koh Tao stay rather than at the very end.

Should you book Koh Tao’s Advanced Adventurer course?

Yes, if you want a broad and supportive step beyond entry-level certification. The combination of five specialties, a 30-meter maximum after the deep session, the HTMS Sattakut wreck, and night conditions gives you a lot to experience in a short course.

I particularly like the four-person limit and the strong emphasis on calm, safety-minded instructors. Request Safari, Oni, Ae, or Rosita if you have a preference, but confirm availability before counting on a specific person.

Book it if you can spare up to three days and want practical variety. Skip it if your time is too tight, your physical fitness is a concern, or you already know that only one specialty interests you. At $326.11, it is best value for someone who wants both a new certification level and a clear taste of several ways to continue the sport.

FAQ

Where does the course begin?

The course begins at Koh Tao Scuba Club, 8 21 Moo Koh Tao, Surat Thani 84310, Thailand.

What time does the course start?

The stated start time is 9:30 a.m.

Where does the course finish?

The activity ends back at the Koh Tao Scuba Club meeting point.

How long does the Advanced Adventurer course take?

It takes about two days, but it can take two to three days depending on conditions and the specialties selected.

How many underwater sessions are included?

The course includes five sessions.

What maximum depth can I reach after the course?

After completing the deep specialty, you can be certified to a maximum depth of 30 meters.

Is pickup available?

Yes, pickup is offered. The main meeting point is Koh Tao Scuba Club, and the location is near public transportation.

What happens if bad weather cancels the course?

You will be offered a different date or a full refund if poor weather causes the activity to be canceled.