Reviewed · CRUISES & BOAT TOURS
Kos: Try Scuba Diving with a diving boat
A first-time scuba day in Kos can feel intimidating. What makes this one interesting is the setup: a sheltered bay at Pserimos, gentle depth, and instruction built around calm breathing and safe habits. You learn fast, but you do not feel rushed.
I especially like how the team keeps the learning practical, with in-water support from PADI instructors and patient coaching if your nerves show up. I also like the contrast built into the day, one structured underwater session followed by time to swim and snorkel in the same area. A possible drawback to plan for, it is not really a sit-back-and-watch tour, you must be comfortable swimming and willing to fill out a medical statement.
Key Things to Know Before You Go

- Sheltered training bay at Pserimos, with a gentle depth increase and clear water
- Beginner-friendly coaching in small groups (about 4 to 5 people with 2 instructors)
- Max depth around 5 meters for 20 to 25 minutes, so you stay comfortable
- Optional second underwater session for an extra 45 euros, paid in cash on the boat
- Snorkeling gear included, plus free time to swim after your main session
- Photos and videos options, including a USB memory stick add-on (25 euros) and quick digital sharing mentioned in feedback
Why This Kos and Pserimos Setup Works So Well for Beginners

Kos has plenty of sea days, but this one earns its spot if you are new to scuba. The day is designed around the reality of a first underwater experience: you need clear steps, steady guidance, and a place where conditions are predictable. You go to Pserimos, and you stay inside a protected bay with rocky outcrops on either side.
In practice, that matters. Rocky sides help reduce chop, and the depth increases so slowly that the water feels like it is cooperating with you. In the feedback I saw, the instructors were repeatedly praised for being caring and patient, even when someone had a bit of panic about breathing under water. That lines up with what you want at the start: support that explains, then stays close while you put the skills into action.
You should still consider the main requirement: you must be able to swim, and you will be asked about health history. If you have a serious medical issue, this is not the right choice. Also, you should not plan to fly soon after, since it is not safe to fly for 24 hours after your session.
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The 6-Hour Rhythm on the Water, From 08:30 Depart to 14:30 Return

The day runs about 6 hours, with the boat leaving around 08:30 from the Liamis centre. It is a 25 meter boat (Liamis Apollon), with a shaded deck and a roomy sun area. That sounds basic, but it is a big deal in the Aegean sun. You get a comfortable spot to warm up after gear time, and you can step into shade without feeling trapped below deck.
A typical flow looks like this:
- You cruise toward Pserimos for about 45 minutes.
- Then there is a short onboard safety briefing and equipment walk-through, around 20 minutes.
- You move to the training area and spend time at Pserimos for your underwater session and water breaks.
The pacing is also smart. You do not do the underwater part first thing with zero context. You start with a briefing, then you practice the basics step by step. After the main session, there is a break where you can relax, then you choose between a second session or more time in the water.
One small planning note: snacks and drinks are not included. If you tend to get hungry at sea, bring snacks with you, and expect you can buy drinks onboard with cash.
Safety Briefing and Gear Time, Where You Actually Learn the Skills

This activity does not treat scuba like a mystery box. Before you go underwater, you get an in-depth briefing that covers the dive plan and safety steps, plus how the equipment works. The briefing is about 15 to 20 minutes, and it is a core part of the value of the day.
The best part is that it is not just rules. It is practical communication. In the feedback, people praised the thorough explanation, and also said it helped them feel at ease. For a first-timer, that is everything. When you understand what you are doing and why, your brain stops scanning for danger.
You will also be grouped with other beginners and supported by two instructors. That ratio is why you can get help quickly when something feels off, like breathing rhythm or buoyancy sensations. The instructors keep a close watch underwater, so you are not left to figure it out alone.
You will need to fill out a medical statement before going. That is not paperwork for paperwork’s sake. Scuba physiology has rules, and this is the operator’s way of making sure you are safe to participate.
Your Underwater Session in the Protected Pserimos Bay (Max Depth 5m)

Your first underwater session is built around comfort. You go into a bay protected by rocky outcrops, so conditions are usually calmer. The depth increases very gently until the maximum depth is about 5 meters. That is shallow enough that many first-timers do not even notice the change as much as they expect, especially when the water is clear.
Once you are set, you spend about 20 to 25 minutes underwater. You are not doing anything complicated or fitness-testing. The focus is on learning basic control and experiencing marine life safely with direct instructor oversight.
And yes, the sea life is part of the point. The day is designed so you stop along the way to look at creatures in the water, and you can even interact with the fish (with instructor guidance). You might take underwater photos and videos, depending on the operator setup. The feedback I saw emphasized clear water and lots of fish, which is exactly what you want the first time you go underwater.
More Diving Trips in Kos:
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The Choice After Your First Session: Second Session, Snorkel, or Swim

After the first underwater session, you take a relaxing break on the boat. Then you have two paths:
- Second underwater session (optional) for an extra 45 euros, paid in cash onboard.
- Skip the second session and spend more time swimming and snorkeling.
This choice is good value because it lets you match the day to your comfort level. If the first session felt amazing, you can go again. If you need a breather, you are not locked in. Several people mentioned doing two sessions and called the second one spectacular, so if you already feel confident, the upgrade can pay off.
Snorkeling gear is included, so you are not hunting for equipment at the last minute. The operator also keeps the day tight around the same area at Pserimos, so you keep the advantage of being in a good spot for water time without long transfers.
Cost and Value: What $123 Includes, and What Usually Costs Extra

At about $123 per person, you are paying for a full half-day sea experience that is more than a quick try. Here is what is included:
- Boat transfers (pickup by the boat route from the meeting point area)
- Captain and instructors
- Diving equipment (so you do not need to rent gear separately)
- Site briefing
- One underwater session for beginners, in small group size with two instructors
- Snorkeling gear
- Your boat time to Pserimos and back (roughly 45 minutes cruise each way in the itinerary flow)
The likely extras you should budget for:
- Second underwater session: 45 euros, cash on the boat
- Snacks and drinks onboard: payable on the boat
- Underwater photo and video memories on a USB stick: 25 euros
One detail that matters for your planning: some feedback mentioned that photos and videos were shared digitally by WeTransfer quickly. That suggests you might get a faster way to relive the day without waiting for a USB, depending on what you purchase. If you want the physical souvenir, the USB option is there.
Overall, the value is strong for first-timers because you get a guided course format, not just a boat ride. The instructor attention and shallow training site are what make the $123 feel like a bargain instead of a gamble.
What to Bring, How to Dress, and Small Practical Tips That Help

You can make your day smoother with a simple pack list. Plan to bring:
- comfortable shoes
- sunglasses and a hat
- swimwear and a towel
- sunscreen
- comfortable clothes for the boat
- cash
- weather-appropriate clothing
- snacks if you like having something on hand
Also, plan mentally for the water temperature and the sun. You will spend time onboard in the morning, then you will be in and out of the water. Shade on the boat helps, but sunscreen still matters. The day is around the Pserimos area, so you can get sun fast.
One more practical note: pets are not allowed, but assistance dogs are allowed. Fishing and alcohol and drugs are also off the list.
Who Should Book This Kos Experience, and Who Should Skip It

This is a great fit if:
- you are a true beginner and want structured coaching
- you can swim and you are comfortable being in the water
- you want to see Mediterranean sea life without needing previous underwater experience
- you like the mix of underwater time plus snorkeling and swimming
It is not suitable if:
- you are under 12
- you are a non-swimmer
- you have serious health issues (you will be asked to fill out a medical statement)
And it is important if you are planning the rest of your trip: it is not safe to fly for 24 hours after the underwater session. If your itinerary includes a quick flight connection, choose another activity.
Should You Book the Pserimos Boat and First-Timer Scuba Course?

Yes, if you want a beginner-friendly scuba try with strong instructor support and a shallow, protected site. The repeated praise for caring instructors, thorough explanations, and people feeling safe points to a day that works even when nerves pop up. Add in the included snorkeling time, and you get more than one way to enjoy the sea.
Book it if:
- you want small-group attention (about 4 to 5 people, with 2 instructors)
- you are okay paying extras for a second session or photo USB if you want them
- you can commit to the swimming and medical requirements
Skip it if you cannot swim, have serious health concerns, or your schedule has a flight within 24 hours. If your goal is just a relaxed boat ride without participating, there may be easier sea tours. But if your goal is to go underwater for the first time and come back with photos, sea life, and confidence, this Kos and Pserimos format is a smart choice.
FAQ
Do I need prior scuba experience?
No. Prior experience is not required. You start with a briefing and beginner coaching from instructors.
What is the minimum age for this activity?
The minimum age is 12.
Do I need to be able to swim?
Yes. It is necessary to be able to swim.
How deep does the experience go for beginners?
The training stays within a protected bay, with a maximum depth of about 5 meters.
How long is the underwater session?
Your first underwater session is about 20 to 25 minutes with instructors watching you.
Is there an option for a second underwater session?
Yes. You can add a second session for 45 euros cash on the boat.
What should I bring and what is not allowed?
Bring comfortable shoes, swimwear, towel, sunglasses, hat, sunscreen, comfortable clothes, cash, and weather-appropriate clothing. Pets are not allowed (assistance dogs are allowed), and fishing, alcohol, and drugs are not permitted.
Just reviewed around Kos
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