Advanced Adventurer – 2 days ( Advanced Open Water)

Koh Tao’s SSI Advanced Adventurer course lets you try five specialty sessions in two days, rather than committing to one specialty at once. You’ll work on buoyancy, navigation, deep-water planning, wreck skills, and night conditions, with the course taking you to a maximum depth of 30 meters.

I like the small group limit of four, which gives your instructor room to watch your technique and answer questions. I also like the mix of reef time, the HTMS Sattakut wreck, and the night session, which changes the mood completely. The main consideration is that the exact schedule can stretch to three days if sea conditions or your chosen sessions require it.

• Five different specialties: Try buoyancy, navigation, deep, wreck, and night training in one compact course.
• Maximum depth of 30 meters: The deep session expands the depth limit available after completion.
• HTMS Sattakut wreck: Learn basic wreck procedures at one of Koh Tao’s named underwater sites.
• Groups capped at four: A useful setup for close instruction and personal feedback.
• Strong instructor choice: Oni, Safari, Ae, and Rosita are among the instructors praised for calm, clear teaching.
• Two-day starting point: Plan for about two days, but allow up to three depending on conditions and your chosen sessions.

Five specialties in two days on Koh Tao

The appeal here is variety. Instead of spending your next certification only on one narrow subject, you sample several types of underwater work and find out what suits you.

The SSI Advanced Adventurer course includes five sessions. The recommended set is Perfect Buoyancy, Navigation, Deep, Wreck, and Night. The exact combination can depend on conditions and what you want to learn, so it is worth asking the shop about the final plan when you arrive.

You do not need to become an expert in every specialty during this course. The point is to build confidence, try new tasks, and learn which direction you may want to pursue later. For someone fresh from an entry-level qualification, that makes the course feel useful rather than repetitive.

Koh Tao is presented as a suitable setting for training because the sites generally offer calm conditions, clear water, and manageable depths. Conditions can still change, of course. The course requires good weather, and the schedule may shift if the sea does not cooperate.

Perfect Buoyancy gives you better control

Perfect Buoyancy is a smart first choice because it affects almost everything else you do underwater. Good buoyancy helps you hold a steady position, use less effort, and avoid bumping into the reef or stirring up the bottom.

You can expect this session to focus on body position and controlled movement rather than simply swimming from one point to another. The value is practical: better control makes navigation tasks easier, gives you a steadier platform for wreck work, and helps you stay calm during the night session.

I especially like that buoyancy is treated as a foundation. It is easy to chase the more dramatic parts of an advanced course, such as the wreck or deeper water, but control is the skill you will use every time you enter the sea.

Navigation turns a pleasant outing into a planned one

The navigation session teaches you to plan your route and find your way back to the boat underwater. That matters because familiar-looking reef areas can become confusing when you are focused on breathing, depth, equipment, and your group.

This part is less about sightseeing and more about building independence. You learn to pay attention to direction and position instead of relying entirely on an instructor or another person in your group.

I would treat navigation as one of the most useful sessions in the course. A beautiful site is more enjoyable when you know where you are and how to return. It also gives you a stronger base for future trips, where conditions and sites may be less familiar than the training area around Koh Tao.

The 30-meter limit comes with the deep session

The Deep specialty session allows you to reach a maximum depth of 30 meters after completing the course. That is a meaningful step beyond basic open-water limits, but it should not be mistaken for permission to ignore planning or personal comfort.

The session is built around following a plan and managing the extra demands of greater depth. You can expect your instructor to place emphasis on staying within the agreed profile and keeping the group together.

The depth qualification is useful if you want access to deeper wrecks, walls, or other sites later. Still, I would not choose this course only for the number. The real benefit is learning how to approach deeper water with more care and structure.

HTMS Sattakut adds a clear purpose to wreck training

The wreck session includes the HTMS Sattakut, giving you a specific site for learning the basics of wreck work. That is more useful than studying the subject only in theory because you can apply the ideas in a real underwater setting.

The course focuses on introductory wreck skills. Do not expect a full technical wreck qualification or unrestricted access inside the vessel. The supplied details describe this as learning the basics, so you should think of it as a controlled introduction to wreck planning and awareness.

The HTMS Sattakut also adds variety to your two days. Reef sessions can be colorful and lively, while a wreck offers a different kind of structure and orientation. It gives you another reason to practice buoyancy and navigation rather than treating each session as a separate exercise.

Night training changes what you notice

The night session is likely to be the most memorable part of the course. Once daylight fades, nocturnal marine life becomes active, and the familiar reef takes on a different character.

You should expect a more focused experience. Your attention narrows to the area lit by your torch, and your group position matters even more. The course gives you a chance to experience that change while an instructor is nearby and the session has a clear training purpose.

I like this inclusion because it broadens your idea of what underwater time can be. You are not just repeating a daytime route in poor light. You are seeing a different period of marine activity and learning how to manage yourself in darker conditions.

The schedule may make this session feel long or demanding after other work, especially if the weather has forced changes. Still, it is a strong reason to choose the Advanced Adventurer course over a shorter add-on focused only on depth.

Instructors shape the feel of the course

A small course is only as good as the person leading it. The strongest praise here centers on instructors who combine safety with a relaxed teaching style.

Oni is described as confident, clear, and focused on safety while still making the lessons enjoyable. Safari is repeatedly singled out for helping people feel calm and comfortable, especially during each underwater session. Ae is praised for professional teaching, while Rosita is remembered for making lessons funny and easy to follow.

Those names give you useful guidance when booking. Instructor availability can change, so you may not receive a particular person, but you can ask if Oni, Safari, Ae, or Rosita is scheduled for your dates.

The teaching style sounds particularly suited to people who are still building confidence after their first certification. You need an instructor who will let you enjoy the reef without rushing the skills. A calm approach matters more than a loud or overly adventurous one when you are handling navigation, depth, or darkness.

A four-person group makes a real difference

The maximum group size is four. That is one of the strongest practical features of the course.

With fewer people in the water, your instructor should have more time to watch your position, correct technique, and respond to questions. You are also less likely to feel lost in a large formation while working through a navigation task or following a planned route.

The small size does not guarantee private instruction, and the group may still include people with different levels of confidence. Even so, four is a manageable number for a course that includes several separate skills.

If you are nervous about deeper water or night conditions, tell the shop and instructor early. The more clearly you explain your comfort level, the easier it is for the instructor to keep the sessions productive and safe.

Koh Tao sites suit a learning-focused trip

The course meets at Koh Tao Scuba Club, at 8/21 Moo Koh Tao, Surat Thani 84310. The stated start time is 9:30 am, and the activity finishes back at the meeting point.

Pickup is offered, and the meeting point is near public transportation. Those details make the course easier to fit into a stay on Koh Tao, though you should confirm the pickup arrangement and timing before the first morning.

The island’s sites are described as suitable for training because of their depth range, clarity, and generally calm conditions. That does not mean every session will be perfect. Good weather is required, and the course may move to another date if conditions are poor.

I would leave some flexibility in your island plans. The course is listed at roughly two days, but it can take two to three days depending on the conditions and the sessions you select. Avoid scheduling an important ferry or flight immediately after the expected final session.

Is $326.11 a fair price?

At $326.11 per person, this is not a casual add-on, but you are paying for five training sessions, instruction, and an expanded certification level rather than one sightseeing trip.

The value is strongest if you are already certain you want to keep building your skills. You get a broad introduction to several specialties, a session at the HTMS Sattakut wreck, a night experience, and a maximum depth of 30 meters after completion.

The value is weaker if you only want a relaxed reef outing or have no interest in working on navigation and buoyancy. In that case, the course may feel too structured and demanding compared with a standard recreational session.

The four-person limit improves the price calculation. Small groups allow more direct feedback, which is useful when the course is teaching skills rather than simply showing you marine life. I would also compare what is included in the price before booking, since the available details do not list every equipment or certification charge.

Who will enjoy this course most?

I would recommend it to you if you have recently completed an entry-level course and want to keep your momentum. The mix of specialties prevents the next step from becoming a repeat of your first qualification.

It also suits you if you are curious about several directions but do not yet know which one to pursue. You can try deep, wreck, night, navigation, and buoyancy work before choosing a more focused specialty later.

The course may be less suitable if you want a completely flexible holiday schedule. Its length can change with weather, and five sessions in two days require attention and energy. You should also have a moderate fitness level, as stated for the activity.

The course is not presented as a private experience. The group is capped at four, which is small, but you will still be learning alongside other people unless a separate private arrangement is made.

Booking, cancellations, and weather plans

Confirmation is provided when you book, and the activity offers a mobile ticket. You can cancel for a full refund up to 24 hours before the local start time.

Cancellations made within 24 hours are not refunded, and changes during that period are not accepted. If poor weather causes the operator to cancel, you will be offered another date or a full refund.

I would avoid making a last-minute change to your wider Koh Tao itinerary. The weather rule protects you from losing the course when conditions are unsafe, but it also means you need room in your schedule for a new date.

My verdict on the Advanced Adventurer course

I would book this course if you want a serious but approachable next step after open-water certification. Five specialties give you plenty to learn, while the small group size and calm training setting make the program feel manageable.

The best reasons to choose it are the HTMS Sattakut wreck, the night session, the 30-meter qualification, and the chance to work with instructors such as Oni, Safari, Ae, or Rosita. Ask about instructor availability when you book if a particular teaching style matters to you.

Skip it if you want only easy sightseeing, need a fixed two-day schedule, or are not ready for structured skills work. For everyone else, this is a practical way to find out what kind of underwater experience you want next.

FAQ

Where does the Advanced Adventurer course start?

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

What time does the course begin?

The stated start time is 9:30 am.

How long does the course take?

The course is planned for about two days, but it can take two to three days depending on sea conditions and the sessions you choose.

How many underwater sessions are included?

The SSI Advanced Adventurer course includes five sessions.

Which specialties are recommended?

The recommended sessions are Perfect Buoyancy, Navigation, Deep, Wreck, and Night.

How deep can I go after completing the course?

After the Deep session, you can be certified to a maximum depth of 30 meters.

What happens if bad weather cancels the course?

You will be offered another date or a full refund if the activity is canceled because of poor weather.