From Kos: Pserimos Island Snorkeling Cruise by Diving Boat

The best part of this trip is its small-group feel. Instead of a crowded party boat, you spend the morning on a 25-meter vessel with space to stretch out, swim, snorkel, or sit under the shaded deck. The clear waters near Pserimos give you a simple, pleasant way to see fish without needing advanced skills.

I like the careful briefing before you enter the water, and I like that wetsuits, masks, snorkels, and fins are included. The crew, including Athena, has been especially warm and clear with beginners. The main consideration is that this is a mixed snorkeling and scuba outing, so non-swimmers and anyone uneasy with ladders or boat access should choose another trip.

Key points at a glance

• A five-hour morning from Kos to Pserimos: Leave around 8:30 a.m. and return at about 2:30 p.m., with most of the outing spent at sea rather than traveling.
• A quieter boat setting: The group is often around 15 to 25 people, a useful contrast to packed party boats.
• A proper safety lesson: Expect a 20 to 30-minute briefing on equipment, safe snorkeling, and local marine life before entering the water.
• Wetsuits and gear included: You receive a wetsuit, mask, snorkel, and fins, helping you stay in the water longer.
• Time to choose your pace: Swim, snorkel, sunbathe, or watch the coastline from the shaded or open deck.
• A real physical requirement: You must step aboard, pass through a narrow passage to the front deck, and climb a ladder out of the sea.

Why this Pserimos trip feels different

Kos has no shortage of boat outings, but this one is aimed at people who want time in the water rather than loud entertainment. The boat heads to Pserimos, a smaller island in the Dodecanese, and anchors near a private blue lagoon with clear water.

The setting is relaxed. You can spend your time looking below the surface, swimming with your group, or drying off on the spacious sun deck. If you prefer shade, the boat also has a covered deck. That choice matters in the strong Greek sun, especially during the warmer months.

The group size helps, too. Numbers can vary, but one detailed account put the group at roughly 15 to 25 people. That is not a private charter, yet it is far more manageable than the crowded party boats that operate around Kos. You get room to find a comfortable spot and do not spend the whole morning waiting for a turn in the water.

The atmosphere also suits mixed abilities. Some people use the trip for snorkeling, while others take part in the scuba side of the outing. You do not need to be an experienced water user, but you do need to swim and feel able to get in and out of the sea by ladder.

Meeting the boat at Kos Harbour

The meeting point is easy to find if you know the local markers. Liamis Dive Boat is in Kos Harbour, about 50 meters from the Dolphins roundabout, at the front of the only traffic lights, on the corner of Akti Kountourioti and Meg. Alexandrou.

Plan to arrive around 8:15 to 8:30 a.m. You must show your ticket and complete a short medical statement before boarding. The boat leaves at about 8:30, so do not treat the stated departure time as a loose suggestion.

You also need to provide personal information in advance for the passenger and insurance lists. This includes your full name, home address, phone number, and passport number. Have those details ready when you book, rather than leaving the paperwork until the last minute.

There is no hotel pickup or return transfer. You make your own way to the harbour, which keeps the price down but means you need to allow time to reach the meeting point yourself.

The 45-minute crossing to Pserimos

The journey to Pserimos takes about 45 minutes. This is not wasted time. The crew uses the trip to explain how the equipment works, how to snorkel safely, and what sort of marine life you might see.

The formal briefing lasts around 20 to 30 minutes. That is a useful amount of instruction for a beginner. You learn how to use the mask and snorkel, how the fins work, and what to expect once you enter the water. The crew also explains basic principles for safe snorkeling and gives information about the local sea life.

I appreciate this part because it removes much of the fuss from the first few minutes in the water. A mask that leaks or a snorkel used incorrectly can spoil an otherwise lovely morning. Clear guidance helps you get comfortable before you start looking for fish.

Instruction is available in English and Greek. The crew has been praised for being friendly, patient, and easy to understand. Athena and her team received particular praise for making people feel well cared for, including beginners.

The boat itself is 25 meters long, with a shaded deck and a broad sun deck. During the crossing, you can watch the Kos coastline recede and take in the sea views. Bring sunglasses and a hat, since much of the boat is exposed to the sun.

Arriving at Pserimos blue lagoon

Pserimos provides the main setting for the outing. Once the boat reaches the clear water near the island, the crew fits you with your wetsuit, mask, snorkel, and fins.

The lagoon is described as private and blue, with clear water suitable for swimming and underwater viewing. Exact visibility depends on wind and sea conditions, so you should not expect the same view every day. Still, the trip is built around spending a generous stretch of time at this one location, rather than racing between several stops.

You can enter the sea for a swim, put on your mask and snorkel, or stay aboard and enjoy the sun. The instructors keep an indirect watch over the activity rather than leading every person by the hand. That gives confident swimmers freedom, but it also means you must take responsibility for your own comfort and limits.

The water is the star here. People have reported seeing plenty of fish and several different types of marine life. You will not be visiting an aquarium with guaranteed sightings. You are looking into a natural bay, so the experience depends on conditions and what happens to be in the area that day.

The crew’s briefing helps you know what to look for. That adds value beyond simply handing you a mask. You start to pay attention to movement below the surface, fish near the rocks, and small details that are easy to miss if you jump in without guidance.

Swimming, snorkeling, and time on deck

The stop at Pserimos is deliberately unhurried. You can go into the water, return to the boat, dry off, and head back in when you feel ready.

That flexible rhythm makes the outing suitable for a family or group with different interests. One person can snorkel while another sunbathes. Friends can swim together, and people who want a quieter morning can stay on the deck and enjoy the views.

The wetsuits are useful even in warm weather. They give some protection from the cool water and help you stay in longer without getting chilled. They also add a little buoyancy, although they do not replace swimming ability or proper care in the water.

I would pack your own lunch and drinks because food and beverages are not included. A packed lunch is listed as something to bring, along with cash for personal needs. Sunscreen, a towel, swimwear, sunglasses, and a sun hat are also essential. Personal medication should stay with you, not in a bag left somewhere on the boat.

Alcohol and drugs are not allowed. That is especially important on a boat where people are moving across wet surfaces and climbing a ladder from the sea.

What the boat setup means for comfort

This is a working water-sports boat, not a luxury yacht. The shaded deck gives you relief from the sun, while the open sun deck provides space to lie back and dry off. That is enough for a comfortable half-day, but you should set your expectations correctly.

You will need to step on and off the boat, move through a narrow passageway to reach the front deck, and climb a ladder to leave the water. Those details matter more than the broad accessibility label attached to the activity.

The trip is described as wheelchair accessible, but the listed physical requirements still apply. If you use a wheelchair or have limited mobility, contact the provider before booking and explain exactly what assistance you need. The available information does not promise that every part of the swimming activity can be adapted.

Non-swimmers should not book this outing. Even with an instructor nearby and equipment supplied, the basic activity requires you to be comfortable in the sea.

How the mixed group affects your morning

The boat carries people interested in both snorkeling and scuba. That mix can work well because everyone shares the same ride to Pserimos and the same coastal setting.

For a snorkeler, the benefit is that the group does not need to spend the entire day moving from place to place. One detailed account praised the balance of abilities and noted that the smaller group kept the trip from feeling crowded. You get substantial time to swim and watch fish instead of sitting through a long sequence of transfers.

The tradeoff is that the schedule is not designed solely around snorkeling. If you want a tightly guided reef tour with an instructor beside you at every moment, this may feel too free-form. The supervision is indirect, and you explore at your own pace.

That arrangement suits capable swimmers who can follow instructions and manage their own time in the water. Beginners can still enjoy it, especially after the equipment lesson, but you should be honest about your comfort level before booking.

Price and value at $64

At $64 per person, the trip offers fair value if you want transport by boat, a long stop for swimming, equipment, a wetsuit, and basic instruction. The price also covers the captain and boat charges, so you are not paying separate rental fees once you arrive.

The value comes from time in the water. You are not simply taking a short coastal cruise with a quick photo stop. The schedule runs from about 8:30 a.m. until 2:30 p.m., and the crossing takes about 45 minutes each way. That leaves a useful block of time at Pserimos.

You should add the cost of getting to the harbour, your own lunch, drinks, and any personal spending. Since hotel transfers are not included, the final cost depends partly on where you are staying in Kos.

The small-group atmosphere makes the price more appealing. If your alternative is a packed boat with little room and limited time to swim, this outing gives you a calmer format without the cost of booking a private charter.

Wind, cancellations, and other practical limits

The sea controls this trip. Strong or badly directed wind can lead to cancellation, so keep some flexibility in your Kos schedule. This is not a flaw unique to this outing. It is simply a reality of a boat trip to a smaller island.

You can cancel up to 24 hours before departure for a full refund. The reserve-now, pay-later option also lets you hold a place without paying immediately, which is useful if your plans are still shifting.

Bring a light, practical day bag rather than too much luggage. Your essentials are simple: swimwear, towel, sunscreen, hat, sunglasses, lunch, drinks, cash, and medication. A secure place for your ticket and personal items is sensible because you will be moving between the deck and the water.

Who will enjoy this most

I would choose this trip if you want a relaxed half-day on the sea, prefer smaller groups, and enjoy having the freedom to set your own pace. It is a good fit for confident swimmers, couples, families with swimming children, and friends who want both water time and quiet deck time.

Beginners can also do well here. The safety and equipment lesson is a real part of the morning, not a rushed instruction before everyone jumps overboard. The crew’s friendly approach, especially the care associated with Athena and her team, should help first-timers feel more at ease.

I would skip it if you do not swim, dislike boat ladders, or want a fully guided underwater route. I would also think twice if your only available day has a strict schedule, since wind can affect the departure.

Should you book the Pserimos snorkeling cruise?

Book it if your ideal Kos outing involves clear water, fish, sun, and a calm boat rather than music and crowds. The strongest reasons are the useful equipment briefing, included wetsuit and gear, generous time at Pserimos, and a group size that is often around 15 to 25 people.

Do not book it simply because you want a boat ride. The physical requirements are real, and the experience depends on sea conditions. But if you can swim, can climb the boat ladder, and want a friendly introduction to snorkeling around Pserimos, $64 is a reasonable price for a relaxed morning on the water.

FAQ

Where does the Pserimos snorkeling cruise depart from?

The boat leaves from Kos Harbour, about 50 meters from the Dolphins roundabout, at the front of the only traffic lights on the corner of Akti Kountourioti and Meg. Alexandrou.

What time does the boat leave and return?

You should arrive at about 8:15 to 8:30 a.m. The boat departs around 8:30 a.m. and returns to Kos at approximately 2:30 p.m.

How long is the boat ride to Pserimos?

The journey from Kos to Pserimos takes about 45 minutes.

Is snorkeling equipment included?

Yes. The activity includes a wetsuit, mask, snorkel, and fins, along with a briefing about safe snorkeling and local marine life.

Is food included?

No. Food and drinks are not included. You should bring a packed lunch and any drinks you want for the day.

Can non-swimmers take part?

No. The activity is not suitable for non-swimmers.

What languages do the instructors speak?

Instruction is available in English and Greek.

Can the trip be cancelled because of weather?

Yes. The boat trip may be cancelled because of the force and direction of the wind. You can cancel your booking up to 24 hours in advance for a full refund.