From Kos: Pserimos Island Snorkeling Cruise by Diving Boat

Clear water, calm seas, and a small boat. This five-hour trip from Kos to Pserimos is a pleasant choice if you want time in the water without joining a packed party boat. I especially like the small-group feel, with recent departures carrying roughly 15 to 25 people, and the crew’s clear instruction for beginners. The crew, including Athena on some trips, receives repeated praise for being friendly, patient, and helpful.

The main catch is simple: this is not a sightseeing cruise where you remain dry. You need to swim, climb a boat ladder, and manage a narrow passageway on board. Food and drinks cost extra, and strong wind can cancel the outing, so this works best for confident swimmers who are happy with a relaxed, sea-focused day.

Key points to know before booking

• A 25-meter boat leaves Kos around 8:30 a.m. and returns at about 2:30 p.m., giving you several hours on the water.
• The Pserimos stop combines swimming, snorkeling, and marine-life viewing in clear water near a blue lagoon.
• A 20 to 30-minute safety briefing covers equipment use, basic snorkeling technique, and local sea life.
• Wetsuits, masks, snorkels, and fins are included, useful for children and anyone who gets cold in open water.
• The group is usually smaller than the big party boats, with some departures carrying about 15 to 25 people.
• You need to bring lunch, drinks, sun protection, and medication, since none of these are included.

Why this Kos boat trip feels different

Kos has no shortage of boats selling music, meals, and a quick swim stop. This outing takes a quieter route. The purpose is to reach the water around Pserimos, learn how to use your equipment properly, and spend much of the day swimming or watching fish.

I like that the boat is a working 25-meter vessel called Liamis Dive Boat-Apollon rather than a floating party platform. It has a shaded deck for a break from the sun and a broad upper deck where you can dry off, read, or simply watch the coast slip by.

The group size matters. A boat carrying 15 to 25 people still gives the trip some company, but it should feel less crowded than the large pirate ships and party boats common around Kos. You get more room to move, and the crew can give instructions without shouting across a packed deck.

This is also a mixed activity. Some people come for snorkeling, while others take part in scuba activities. That arrangement suits families and groups with different interests, but it means the day is not designed only around one level of snorkeling ability.

Finding the boat at Kos Harbour

The meeting point is in Kos Harbour, about 50 meters from the Dolphins roundabout. Look at the front of the only traffic lights, at the corner of Akti Kountourioti and Meg. Alexandrou.

Plan to arrive between 8:15 and 8:30 a.m. You must show your ticket and complete a short medical statement before boarding. The operator also needs your full name, home address, phone number, and passport number at least 12 hours before the trip so you can be placed on the passenger and insurance lists.

There is no hotel pickup or drop-off. That makes the price more attractive, but you need to arrange your own way to the harbour and allow enough time to find the boat. An early arrival is wise, especially if you are unfamiliar with Kos town.

The 45-minute crossing to Pserimos

Once the boat leaves Kos, the first part of the trip is a coastal cruise rather than a nonstop swim. The crossing to Pserimos takes about 45 minutes.

This is when the crew explains the day. The safety and equipment talk lasts around 20 to 30 minutes, a useful amount of time for a first-timer. You learn how to use the mask, snorkel, and fins, along with basic safe snorkeling practice. The instructors also explain what sort of marine life you may see.

That briefing is one of the strongest parts of the experience. Many boat trips hand you a mask and point toward the water. Here, you get practical instruction before entering the sea. It is especially helpful for children and adults who have used a snorkel only once or twice.

The information is delivered in English and Greek. The crew’s approach has been praised for being friendly and easy to follow, including by people trying the activity for the first time. The briefing is not a formal lesson, but it should help you avoid common problems such as a poorly fitted mask or awkward fin technique.

During the crossing, you can sit under the shaded deck or head to the sun deck. Bring sunglasses and a hat, but secure them carefully when the boat is moving. The sea can be bright even on a mild morning.

Reaching the blue lagoon near Pserimos

Pserimos is a small island north of Kos, and the boat heads toward a clear-water area described as a private blue lagoon. The setting is the main reward for making the crossing. Instead of spending the day moving from one crowded port to another, you settle in one attractive swimming area.

At the stop, the crew fits you with a wetsuit, mask, snorkel, and fins. The wetsuit has practical value. It helps you stay comfortable during a long period in the water and gives children extra warmth when they are ready to stay in the sea longer.

The water is used for several activities. You can swim, float, snorkel, sunbathe, or watch the people taking part in scuba activities. Some departures have reported plenty of fish and several kinds of marine life, though sightings in the sea can never be guaranteed.

The instructors explain what to look for, then supervise from the boat and surrounding area rather than guiding every person by the hand. That is called indirect supervision, so you remain responsible for your own swimming and for staying within your ability.

This point deserves attention. The outing is not suitable for non-swimmers. You must also be able to climb a ladder to leave the sea, step on and off the boat, and move through a narrow passageway to reach the front deck. If you need close physical assistance in the water, this may not be the right excursion.

What the snorkeling stop is really like

The stop is intentionally unhurried. You are not rushed through a ten-minute swim before the boat moves on. The schedule allows a relaxed period for swimming, sunbathing, and marine-life viewing around Pserimos.

I like this pace because snorkeling improves after you settle down. At first, you may be focused on clearing your mask or finding a comfortable breathing rhythm. After a while, you can look beneath the surface and pay attention to fish and rock formations.

The crew’s advice is useful here. You are taught how to use the snorkel correctly and what to notice in the water. That can make a real difference for children, who often need a little help before they feel comfortable wearing fins and breathing through a tube.

Still, you should keep expectations sensible. This is not a specialist marine biology expedition, and the underwater scene depends on weather, water clarity, and the animals in the area that day. The appeal is a pleasant open-water session with a chance to see local fish, not a guarantee of rare species.

The boat provides a base between swims. You can return to the shaded deck, dry off on the upper deck, or take a break from the salt water. That flexibility makes the trip easier for mixed-age groups, provided everyone can enter and leave the water safely.

The boat, decks, and comfort

The Liamis Dive Boat-Apollon gives you two useful choices. The shaded deck is better when you need relief from the Greek sun, while the spacious sun deck is the place for drying off and enjoying the coastal views.

You should expect a practical boat rather than luxury seating. The attraction is space, equipment, and access to the sea. If you want a polished yacht, onboard meals, or a full entertainment program, spend your money elsewhere.

The boat trip itself is not excessively long. The 45-minute journey each way leaves most of the five-hour outing for time at Pserimos. That balance is good value for a half-day activity because you are not paying for a long transfer followed by a rushed swim.

The overall atmosphere appears to be calm rather than loud. A recent four-star assessment described a relaxed and comfortable setting, while multiple five-star ratings praised the friendly crew. The strongest pattern is not fancy service. It is feeling looked after without being pushed through a rigid schedule.

What to bring for a comfortable morning

Food and drinks are not included, so pack a lunch and enough water for several hours. Cash is also listed as useful, and you should carry any personal medication you may need.

Your basic packing list should include:

• Swimwear and a towel
• Sunglasses and a sun hat
• High-protection sunscreen
• Packed lunch and drinks
• Cash
• Personal medication

Alcohol and drugs are not allowed. Apply sunscreen before boarding and reapply during the day, especially if you spend time on the upper deck. Water glare can catch you off guard even when the air feels comfortable.

You receive the full snorkeling setup, including wetsuit, mask, snorkel, and fins. You do not need to bring your own gear unless you prefer using familiar equipment.

Price and value at $64

At $64 per person, the trip sits in a reasonable middle range for a five-hour boat outing from Kos. The price includes the boat, captain, snorkeling equipment, and the safety talk about snorkeling and sea life.

The value becomes clearer when you compare what is included. You are paying for transport to Pserimos, several hours at a swimming location, a wetsuit, a complete set of gear, and instruction from the crew. You are not paying separately for equipment rental or a short introductory lesson.

The missing items are food, drinks, and hotel transport. These are easy costs to manage, but they should be included in your budget. A family of four will spend more once lunch, drinks, and transport to the harbour are added.

For me, the small-group setup is the best reason to choose this trip over a cheaper, busier boat. If your priority is music, a full meal, and a lively party atmosphere, this is not the best use of $64. If you want a quieter half-day centered on swimming and fish, the price is fair.

The overall score of 4.7 from 76 ratings supports that value, especially because praise focuses on the crew, clear instructions, and relaxed pace rather than only the scenery.

Who should book this experience

This trip suits you if you:

• Can swim confidently in open water
• Want a quieter alternative to crowded party boats
• Like snorkeling but do not need a formal guided route
• Are happy to bring your own food and drinks
• Want a half-day activity rather than a full-day island tour
• Are traveling with friends or family members with mixed interests

It can work well for beginners. The instructors explain the equipment clearly, and several people with little experience have felt comfortable under the crew’s care.

It is not suitable for non-swimmers. It may also be difficult if you have trouble stepping aboard, moving through a narrow passage, or climbing a ladder from the water. The activity is described as wheelchair accessible, but those physical requirements are important. Contact the operator before booking if you need assistance or use a wheelchair.

The weather is another factor. Wind force and direction can cancel the trip. That is a normal safety decision for a small-island boat outing, not a flaw in the experience, but you should keep another plan in mind for a windy day.

Final call: a good half-day from Kos

Book this trip if you want clear water, a manageable boat group, and several unhurried hours to swim and watch fish near Pserimos. The strongest reasons to go are the careful briefing, included wetsuit and equipment, and crew members such as Athena, who have earned praise for being warm and helpful.

Skip it if you dislike open water, need close one-to-one support, or expect lunch and hotel transport to be part of the price. For confident swimmers who pack sensibly and prefer a calm boat over a floating party, this is a well-priced way to spend a morning and early afternoon around Kos.

FAQ

How long does the Pserimos snorkeling cruise last?

The activity lasts five hours. The boat generally leaves Kos around 8:30 a.m. and returns at about 2:30 p.m.

Where does the boat leave from?

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

What snorkeling equipment is included?

The trip includes a wetsuit, mask, snorkel, and fins. Boat charges, the captain, and basic information about snorkeling and marine life are also included.

Is food included?

No. You need to bring your own packed lunch and drinks. Hotel pickup and drop-off are also not included.

Do I need to be able to swim?

Yes. The activity is not suitable for non-swimmers. You must also be able to climb a ladder to leave the water and step on and off the boat.

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, and a reserve-now, pay-later option is available.