Phuket: SCUBA Diving Day Trip King Cruiser, Shark Point, KDM

King Cruiser is the star of this three-site underwater day. The sunken ferry gives you a man-made reef to explore, while Shark Point and Koh Doc Mai add coral, fish life and a very different setting. Aum Scuba’s SSI guides lead the day, with a maximum depth of 30 meters and up to three underwater sessions.

I like the way the trip combines three of Phuket’s best-known sites instead of spending the whole day at one reef. Breakfast, lunch, snacks, drinks and hotel transport are also included, which takes some of the sting out of the $176 price. The catch is clear: you need at least 20 logged dives and an SSI Advanced Adventurer certificate or equivalent, and the sea journey may not suit anyone prone to seasickness.

Key points to know before booking

• King Cruiser is the main attraction: Explore a submerged ferry and the marine life that now uses it as shelter.
• Three underwater sessions are included: The route covers King Cruiser, Shark Point and Koh Doc Mai in one long day.
• Advanced certification is required: You need at least 20 logged dives and SSI Advanced Adventurer or equivalent.
• The maximum depth reaches 30 meters: Nitrox is available for qualified divers at an additional cost.
• Meals and transfers are included: Hotel pickup and return cover Patong, Karon, Kata, Chalong, Rawai and Naiharn.
• Extra costs matter: Equipment rental is 500 THB, a computer is 300 THB, and Nitrox is 300 THB per tank.

Why King Cruiser makes this trip different

Many Phuket boat trips focus only on coral gardens. This one gives you a wreck as the main event. King Cruiser is a submerged ferry, and its broken structure creates places for marine life to gather. For a certified diver, that adds a sense of discovery that a standard reef can lack.

You will need to be comfortable in a more demanding underwater setting. The maximum depth is 30 meters, and the wreck itself is the reason this outing is restricted to experienced participants. This is not a gentle introduction to scuba for someone with a new certificate and little time underwater.

I like that the wreck is paired with two natural sites. After exploring King Cruiser, Shark Point changes the mood with reef scenery and marine life. Koh Doc Mai adds another setting again, giving the day more variety than a single-location trip.

The exact marine species and visibility can change with conditions, so you should not book this expecting a guaranteed animal sighting. The appeal is the combination of a wreck, reef and island site, guided by an SSI or PADI-qualified instructor.

The three-site route, from wreck to reef

The day includes up to three underwater sessions, one at each named site. The order can depend on sea conditions and operational planning, so think of the route as a three-stop plan rather than a fixed timetable.

King Cruiser wreck

King Cruiser provides the most unusual setting. You are not simply swimming over a reef. You are examining a large sunken vessel and the underwater life that has made it part of its habitat.

Wreck exploration rewards calm movement and good buoyancy. You will want to keep your hands off the structure and marine life, follow the guide’s instructions, and avoid turning the outing into a race from one point to the next. The maximum depth of 30 meters also makes air use and bottom time important.

This is where the advanced requirement makes practical sense. You should already be comfortable managing your equipment, monitoring your air and staying with a group. The guide can point out the interesting parts, but you remain responsible for your own certification limits and comfort.

Shark Point

Shark Point brings the focus back to a natural reef setting. The name may catch your attention, but the supplied details do not promise shark sightings. Book it for the reef environment and the chance to see marine life, not for a guaranteed encounter with one particular animal.

That is useful advice for any wildlife-focused outing. Sea conditions and animal behavior are outside the operator’s control. You get a stronger trip if you value the overall underwater setting rather than treating one species as the whole reason to go.

The stop also gives the day a change of pace after the wreck. You can expect the guide to keep the group moving through the site while helping you notice the reef life around you. Touching marine life is not allowed, so keep your hands to yourself and let the animals remain undisturbed.

Koh Doc Mai

Koh Doc Mai completes the trio with another underwater location near Phuket. Its inclusion means you are not paying for a long boat day built around a single descent. You get a third chance to see how the sea floor, rock and marine life differ from the wreck and Shark Point.

The information provided does not promise a particular species list or exact underwater route at Koh Doc Mai. That is a reason to keep your expectations open. The value comes from the variety of the full route and the chance to spend the day with three separate underwater sessions.

What a 12-hour day feels like

This is a full-day commitment, not a quick morning activity. Hotel pickup and return are included from Patong, Karon, Kata, Chalong, Rawai and Naiharn, and you need to be waiting at reception five minutes before the scheduled pickup time.

The 12-hour duration includes transport, time on the boat, meals, preparation and the three underwater sessions. You should expect an early start or a late return depending on the departure time available for your date. The booking system provides the current starting times, so check those before arranging anything else.

You will need your scuba certification and dive log. Having both ready at pickup or check-in helps confirm that you meet the experience requirement. The operator asks for at least 20 logged dives and SSI Advanced Adventurer or equivalent, so this is not suitable for uncertified participants or casual swimmers.

The boat day includes breakfast and lunch, plus afternoon snacks. Tea, coffee, water and soft drinks are also provided. Beer is available to buy in cash at 60 THB per can, but alcoholic drinks are not part of the package.

I like the practical food arrangement here. A long day at sea can be tiring, and having meals included means you do not need to organize food between underwater sessions. Still, keep in mind that people who are prone to seasickness may find the combination of boat travel, heat and repeated descents uncomfortable.

What the $176 price really includes

At $176 per person, this is not the cheapest way to spend a day around Phuket. The price makes more sense when you add up the included services: hotel transport in six main resort areas, an SSI or PADI-qualified instructor, tanks, weights and weight belts, three underwater sessions, meals, snacks, drinks and travel insurance.

That package is useful for a certified diver who needs transport and equipment support in one booking. You are also paying for a full day on a well-known route rather than a short local outing.

The headline price is not the final price if you need rental equipment. Scuba equipment costs an extra 500 THB per person, payable in cash on the day. A dive computer costs another 300 THB per person. Nitrox costs 300 THB per tank, also payable in cash, and you must be qualified and order it in advance.

These add-ons are easy to overlook. If you bring your own equipment and do not need Nitrox, the advertised price is closer to your actual cost. If you rent a full kit, hire a computer and use Nitrox for all three sessions, budget for those charges before deciding if the trip fits your plans.

Nitrox can be useful for a long day with repeated underwater time, but it is not automatically included and it is not for everyone. You must hold the proper qualification and request it ahead of time. Ask about the exact number of tanks and Nitrox arrangements when booking if this matters to you.

Why the advanced requirement matters

The operator sets a minimum of 20 logged dives and requires SSI Advanced Adventurer or an equivalent certification. That requirement should not be treated as a minor box-ticking exercise.

A wreck, a 30-meter maximum depth and three sessions in one day demand sound habits. You should be able to control your buoyancy, monitor your air, manage your equipment and stay calm if conditions change. You also need enough fitness for a long day that includes transport, boat time and repeated preparation.

The trip is not suitable for children under 15, non-swimmers, uncertified people, those with low fitness, or anyone with certain medical concerns. The restrictions also list people with pre-existing medical conditions, high blood pressure and people over 70. If any of these apply to you, seek medical advice before booking rather than assuming the activity will be suitable.

You must allow at least 18 hours before flying after scuba activity. This is an important planning rule. Do not schedule a flight soon after the trip, even if the return time looks early enough on the day.

Guides, safety and responsible underwater conduct

Aum Scuba provides SSI dive guides who speak English and Thai, with SSI or PADI-qualified instruction included. The guide is there to lead the group through the sites and help manage the underwater plan, but the certification requirement means you are expected to arrive with solid personal skills.

The basic rule about marine life is simple: do not touch it. That applies to animals, coral and anything else living underwater. Good buoyancy is not just a comfort skill here. It helps protect the site and reduces the chance of accidental contact.

Travel insurance is included, but that does not remove the need to follow the operator’s safety rules. Bring your certification and logbook, listen carefully to the guide and tell the staff if you feel unwell or uncomfortable.

Underwater photographs are not included. You may be able to arrange them separately, but the supplied information does not give a price or guarantee that a photographer will be available. If photos matter to you, ask before the day rather than assuming they come with the package.

Pickup areas and extra transport charges

Free pickup and drop-off are provided in Patong, Karon, Kata, Chalong, Rawai and Naiharn. If your hotel is outside these areas, transport may be arranged for an extra charge depending on the location.

The pickup detail is practical but important. Be at the hotel reception five minutes before the scheduled time, and confirm with the driver that your name appears on the pickup list. That small check can prevent a morning mix-up, especially when several hotels are being served.

You should also allow plenty of flexibility around the return. A 12-hour activity can run against traffic or sea conditions, so avoid booking a tight evening appointment.

Who should book this trip

I would recommend this outing to a certified diver who wants a varied Phuket route and is comfortable with advanced conditions. It suits someone who would rather spend a full day visiting a wreck, a reef and an additional underwater site than choose a short, easy session.

It is particularly good for divers who already have their own equipment, since the extra rental cost is then easier to avoid. It also makes sense for people staying in one of the six included pickup areas and anyone who values meals and drinks being handled as part of the day.

I would not choose it for a first scuba outing, a newly certified diver without much logged experience, or anyone who gets seasick. The three-session format is a strength for experienced participants, but it can feel demanding if you are not used to a long boat day.

The trip is also a poor fit if your main goal is a guaranteed shark sighting or a particular animal. The named sites give you strong variety, but wildlife remains unpredictable.

Booking advice and cancellation flexibility

The booking terms are helpful if your plans are still changing. You can reserve now and pay later, and cancellation is free up to 24 hours in advance for a full refund.

That flexibility does not change the practical preparation. You still need the correct certification, your dive log, suitable fitness and at least 18 hours before any flight. Check the pickup area, extra equipment charges and Nitrox request before the cancellation deadline if you are unsure about any part of the plan.

Should you book the King Cruiser trip?

Book it if you are an experienced, advanced-certified diver who wants three very different underwater settings in one long Phuket day. The wreck gives the route its character, while Shark Point and Koh Doc Mai keep the outing from feeling repetitive. Included meals, drinks, transfers and instruction add real value to the $176 price.

Skip it if you are new to scuba, prone to seasickness, flying within 18 hours, or unwilling to budget for equipment and computer rental. For the right diver, this is a focused and worthwhile day at sea. For the wrong one, the strict requirements are a warning, not a challenge to ignore.

FAQ

How many underwater sessions are included?

The trip includes up to three underwater sessions, visiting King Cruiser, Shark Point and Koh Doc Mai.

What certification do I need?

You need at least 20 logged dives and SSI Advanced Adventurer or an equivalent qualification. Bring your certification and dive log.

What is the maximum depth?

The activity reaches a maximum depth of 30 meters.

Is hotel pickup included?

Free pickup and drop-off are included from Patong, Karon, Kata, Chalong, Rawai and Naiharn. Pickup outside those areas can be arranged for an additional charge depending on the location.

Is scuba equipment included?

Tanks, weights and weight belts are included. Scuba equipment rental costs an additional 500 THB per person, and a dive computer costs 300 THB per person. Both are payable in cash on the day.

Can I fly after the trip?

You must allow at least 18 hours between scuba activity and flying.