Half day boat diving experience for beginners in Kos Greece

Clear water, calm instruction, real sea life. This half-day Kos boat trip takes beginners to Pserimos for a gentle first scuba session in a sheltered bay. I like the small groups of four or five, each watched by two PADI instructors, and I like that the water gets gradually deeper rather than dropping suddenly. The one catch is that the second scuba session costs an additional 45 euros.

You leave Kos Port at about 8:30 a.m. and return around 2:30 p.m., giving you a useful morning on the water without taking your whole day. All scuba and snorkeling equipment is supplied, but snacks, underwater photos and videos, and the optional second session cost extra.

Key points to know before you book

• Beginner-friendly depth: The first session stays inside a protected bay and reaches a maximum depth of about 5 meters.
• Two instructors for each small group: Groups are separated into four or five people, with two PADI instructors supervising the underwater session.
• Pserimos is the setting: The boat travels from Kos to the nearby island for scuba practice, snorkeling, swimming, and time in the sun.
• Snorkeling can come first: If you feel nervous, starting at the surface may help you get used to the water before using the scuba equipment.
• The second session is optional: You can pay 45 euros for another underwater session or spend the break swimming and relaxing on the sundeck.
• Plan around the rules: You must be at least 12 years old and 140 centimeters tall, cannot fly within 24 hours, and should have moderate physical fitness.

Leaving Kos Port for Pserimos at 8:30 a.m.

The morning starts at the Port of Kos, where the boat departs at approximately 8:30 a.m. The activity ends back at the same meeting point at about 2:30 p.m., so allow around five and a half hours from start to finish.

That early start is useful. The sea portion occupies the best part of the morning, while you still have much of the afternoon available for lunch, a beach, or a walk around Kos Town. You should arrive ready for a full morning outdoors, since the schedule includes boat time, instruction, scuba practice, snorkeling, swimming, and a break on board.

The trip is limited to a maximum of 10 people. That matters here. A first scuba session can feel confusing when equipment, breathing, hand signals, and underwater movement all arrive at once. A small group gives the instructors a better chance to watch each person closely.

The boat heads for Pserimos, an island known here for its clear water and sheltered bay. The appeal is not a long list of sightseeing stops. It is the simple change from a working port to open sea, followed by time in one protected place where you can focus on the water.

The safety briefing makes the first session easier

Before you enter the water, the instructors give a detailed explanation of the scuba equipment, the plan for the session, and the safety rules. This is an important part of the morning, not a formality to hurry through.

You are learning several new things at once: how the equipment feels, how to breathe through it, how to communicate underwater, and how to remain calm if something feels unfamiliar. Clear instruction makes a major difference. One first-time participant who had previously struggled with scuba said the simple explanations and patient guidance helped turn the session around.

That point is worth keeping in mind if you feel nervous. You do not need to arrive as a natural swimmer or as someone who already understands scuba. You do need to be willing to listen, follow instructions, and tell the instructors if you feel uncomfortable.

The staff divide participants into groups of four or five, with two PADI instructors assigned to each group. That ratio is one of the strongest features of the trip. It means the instructors can keep the group together and pay attention to individual comfort levels.

The activity is described as suitable for beginners, but it is not intended for non-swimmers. You also need a moderate level of physical fitness. Medical conditions may affect your suitability, so check before booking if that applies to you.

A protected bay and a gentle route underwater

The first scuba session takes place inside a bay protected by rocky outcrops on both sides. The bottom slopes gradually, reaching a maximum depth of about 5 meters at the far end of the bay.

For a first session, that gentle increase is reassuring. You are not being sent into deep water at the start, and you can become familiar with the equipment while the instructors remain close. The clear water also helps you see where you are and notice the marine life around you.

The underwater session lasts about 20 to 25 minutes. During that time, the instructors guide you around the bay, point out marine life, and keep watch over the group. The focus is on becoming comfortable and seeing the underwater world, not on covering a large distance.

You may see fish close up, and one account describes the pleasure of being able to watch and feed them. The setting is natural rather than a contained attraction, which gives the activity more of a real sea experience. Conditions can vary, of course, so the exact amount of marine life and visibility will depend on the day.

The shallow depth is also a limit. Experienced scuba participants looking for deep water, dramatic walls, or a long technical session will find this introductory format basic. That is intentional. The trip is built for a first taste, not for advanced exploration.

Snorkeling first can settle your nerves

You do not have to begin with the scuba equipment. Snorkeling is available, and it can be a useful first step if you feel uncertain about the water.

At the surface, you can get used to the temperature, visibility, boat setting, and movement of the sea before trying the breathing equipment. One participant who had found scuba difficult in the past specifically valued being able to snorkel first. That small choice helped make the transition less stressful.

Snorkeling also works well for people in the same family or group who do not want to use scuba equipment. One family split the activity this way, with some members snorkeling while others took part in the underwater session. The boat team kept watch over those who remained on the surface.

That makes the morning more flexible than a scuba-only outing. You can try the main activity without forcing every person in your group to do the same thing. If you decide that scuba is not for you, swimming, snorkeling, and the sundeck still give you something to do.

You should not treat snorkeling as a substitute for the fitness requirements, though. The activity information says participants must not be non-swimmers, and the sea is still a physical environment that demands care.

The break is where you choose your pace

After the first session, you have time to relax on the boat. This pause is important because new scuba users often need a few quiet minutes to process what they have just learned.

You can sit on the sundeck, swim, or snorkel. The break also gives you a chance to decide if you want a second scuba session. You are not required to commit to two sessions at the start.

The second session costs 45 euros per person. Several people found this extra session worthwhile because the first one gave them confidence with the equipment, while the second allowed them to enjoy the underwater setting more fully. That makes sense: the first session is partly about learning how to operate, while the next can feel less rushed because the basic process is familiar.

Still, the added cost deserves a place in your budget. At 126.15 dollars per person, the advertised price includes the boat trip, instruction, scuba equipment, and snorkeling equipment, but not food, media, or the second session.

If you only want to try scuba once, the base price covers the central activity. If you expect to want more time underwater, budget for the extra 45 euros before you book. If you would rather keep the morning relaxed, the sundeck and snorkeling option mean you can enjoy the stop without paying for more scuba time.

What the price includes, and what it does not

The 126.15 dollar price is easiest to judge by looking at what you would otherwise need to arrange. The boat ride to Pserimos, the safety briefing, the instructors, the scuba equipment, and the snorkeling equipment are part of the package.

For a first-time participant, having the equipment supplied is a real convenience. You do not need to organize a mask, fins, tank, or other basic gear separately. You also receive direct instruction rather than simply being taken to the water and left to figure things out.

The price does not include snacks. Bring your own food only if the operator permits it, or plan to eat after returning to Kos, since no snack service is included in the supplied details.

Underwater photos and videos cost 25 euros on a USB stick. These can be appealing because it is difficult to photograph yourself during a first scuba session, but they are optional. If keeping the cost down matters more than a souvenir, skip them.

The value is strongest for a complete beginner who wants instruction and equipment in one morning. It is less compelling for an experienced scuba user who already owns equipment and wants a longer or deeper session.

Who will get the most from this Kos boat trip

I would point this activity toward adults and children aged 12 or older who want a gentle introduction to scuba in a supervised setting. The minimum height is 140 centimeters, so check both requirements carefully for younger family members.

It also suits families with mixed interests. A parent and child can use the scuba equipment while another family member swims or snorkels. One family even had a 10-year-old take part in the underwater sessions, but the stated minimum age for the activity is 12, so you should follow the official rule rather than rely on an individual case.

The trip may suit you especially well if you have tried scuba before and felt uneasy. The instructors receive strong praise for explaining things in simple terms and helping people feel safe. Athina is named in one personal response from the team, and the staff are repeatedly described as friendly, calm, and attentive.

I would not choose this for someone seeking a full certification course. The session is an introduction, not a replacement for formal PADI training. That said, several participants became interested in continuing with an open-water course after the morning, which is a good sign if you are testing the waters before committing to lessons.

You should also avoid scheduling this close to a flight. The information specifically says not to fly within 24 hours. People with medical conditions should check their suitability before booking, and anyone who is not a swimmer should not join.

Weather, cancellation, and small practical details

The trip depends on good weather. If conditions cause a cancellation, you are offered another date or a full refund. The same applies if the minimum number of participants is not reached.

You can cancel for a full refund up to 24 hours before the 8:30 a.m. start time. Changes or cancellations made less than 24 hours before the activity are not accepted for a refund, with cut-off times based on local time.

The booking provides a mobile ticket and confirmation at the time of booking. English is offered. The meeting point is Kos Port, and the activity returns there rather than leaving you at another part of the island.

Service animals are allowed, and the port is near public transportation. Those details may help if you are staying without a car, though you still need to plan your own way to the port.

My verdict: a smart first step into scuba

I would book this half-day trip if you want a carefully supervised introduction rather than an intense scuba outing. The shallow protected bay, small groups, two instructors per group, and clear safety briefing all work in a beginner’s favor.

The strongest reason to choose it is the staff. Their patient explanations appear to help nervous first-timers, and the option to snorkel before using the scuba equipment gives you a gentler start. The natural setting around Pserimos also feels more rewarding than spending the morning in a controlled pool.

Think twice if you dislike early starts, cannot swim, have a medical concern, or want deep and extended underwater time. Also remember to add 45 euros for a second session and 25 euros if you want the photo and video USB.

For the right person, this is a friendly, well-organized way to see Kos from a different angle. Book it for the calm instruction and the chance to build confidence, not for advanced scuba thrills.

FAQ

Where does the boat leave from?

The boat leaves from the Port of Kos, Kos 853 00, Greece.

What time does the activity begin?

The boat departs at approximately 8:30 a.m.

When does the boat return?

The activity returns to the Port of Kos at about 2:30 p.m.

How deep is the first scuba session?

The bay reaches a maximum depth of approximately 5 meters.

How long is the underwater session?

The first session lasts about 20 to 25 minutes.

Is a second scuba session included?

No. A second session is optional and costs 45 euros per person.

Is equipment provided?

Yes. Scuba equipment and snorkeling equipment are included.

Can I cancel for a full refund?

Yes. You can cancel at least 24 hours before the start time for a full refund. Cancellations made less than 24 hours before the start time are not refunded.