Kos Town: Kalymnos & Pserimos Day Cruise & Optional Transfer

The best part of this $33 island cruise is its mix of swimming, small-island stops, and cheerful onboard life. You sail from Kos to Pserimos, Plati, and Vathy, with clear water, sandy beaches, a Greek meal, and a fair chance of spotting dolphins along the way.

I like the excellent value and the crew’s friendly energy, especially Mike, Ariel, Captain Ioannis, and Nicolas, who have been singled out for keeping the day fun. I also like the choice of joining from Kos Harbor or adding hotel pickup. The main catch is that the boat can feel busy, and the schedule may leave less time than you want at Vathy.

Key points to know before booking

• Pserimos gives you the best beach time: Plan on more than an hour for sand, swimming, small shops, and a quiet island setting.
• Plati is mainly a swim stop: The boat anchors near this tiny island while lunch is prepared, giving you a short but beautiful break in clear water.
• Vathy feels different from the beach stops: Its narrow, fiord-like inlet and fishing-village setting make it the most scenic place to walk and eat.
• The crew supplies the atmosphere: Music, dancing, happy-hour drinks, and dolphin spotting can turn a simple boat ride into a lively day out.
• Sun protection is not optional: Bring a hat, towel, sunscreen, sunglasses, and swimwear, then use the shaded areas from time to time.
• Pickup saves effort but adds road time: Hotel collection is available from several parts of Kos, with early morning departures from farther resorts.

Three islands, one long day on the Aegean

This is a full-day outing rather than a quick sightseeing cruise. The listed duration is 450 minutes, or about seven and a half hours, with a morning departure and several hours on the water.

You leave Kos Harbor at Akti Kountourioti, close to the center of Kos Town. The boat is usually identified as Poseidon, though some departures have used another vessel, such as Captain Morgan or MV Princess Diana, when numbers or operations change. That matters if you have your heart set on one particular boat. The experience is the main product, not a guaranteed vessel name.

The ride combines open-sea views with short stops where you can swim, eat, or walk around. It is not a quiet sailing trip in the strict sense. Music plays, the crew encourages dancing, and the mood can become quite animated on the return journey. I would choose it for a social day at sea, not for solitude or a private-boat feel.

Getting to Kos Harbor without guesswork

If you stay in Kos Town, the meeting point is easy to reach on foot or by a short local ride. The harbor sits near the city center, so you can avoid the added road time of a hotel transfer.

Pickup is available from Kos Town, Psalidi, Agios Fokas, Lambi Beach, Tigaki, Marmari, Mastichari, and Kardamena, along with many specific hotels. The listed pickup times begin at 8:00 a.m. in Kardamena, followed by Mastichari at 8:15, Marmari and Tigaki at 8:30, and Lampi at 8:45. Exact arrangements depend on your selected option and accommodation.

The transfer service has generally been useful, with reports of air-conditioned vehicles and on-time collection. Still, one late pickup shortened time at a stop. If you choose hotel collection, keep your phone available and be ready at the stated time. If you are staying in central Kos Town, meeting at the port gives you more control.

Once aboard, arrive early if you want one of the most sought-after sunbeds. The upper deck can fill quickly, especially in high summer. Seats are available, but prime sun and shade positions are limited.

Pserimos: the quietest stop of the day

Pserimos is a small island with around 60 inhabitants, and the stop gives you more than an hour to enjoy its main beach and village area. This is the most relaxed part of the route. You can swim from the sandy shore, sit in the sun, wander among the small shops, or have a drink at a tavern directly on the beach.

The appeal is simple. Pserimos feels much quieter than Kos, and you are not trying to fit a long list of sights into one stop. The water is often the main attraction, with clear conditions suited to an easy swim.

Allow time to get off the boat and find your bearings before settling in. The stop may include roughly an hour of island time, followed by another 30 minutes specifically set aside for swimming, depending on how the day is run.

Pserimos is not a major cultural sightseeing destination. You will not find a packed program of museums or monuments here. Its value lies in the beach, the small scale, and the chance to slow down. I would make this your priority stop if you want to swim from shore or buy a small handmade souvenir.

Vathy and Rina, the most scenic section

Vathy, on Kalymnos, has a narrow inlet described as looking like a fiord. The steep sides and enclosed water give this stop a different character from the open beach at Pserimos.

The route information allows about an hour for a visit and another hour for lunch, although the order and exact arrangement may vary. Some departures serve lunch aboard the boat, while others have included a meal at a restaurant in or near Rina Port. It is worth checking the day’s plan with the crew before you leave Kos, especially if you have a strong preference for eating on land.

The included food is based on familiar Greek dishes such as souvlaki, Greek salad, tzatziki, and fruit. Some departures offer several meal choices, and seafood may be purchased separately at a local tavern. The meal is included in the price, but drinks are not.

Food quality can vary. Plenty of people have found the lunch tasty and generous for the cost, while others have received food that was lukewarm or preferred the local restaurant option. I would treat the meal as a useful included lunch rather than a reason to book the trip on its own.

Rina’s clear water is a major reason to bring your swimwear even if you are not keen on a full beach day. The stop can include a cliff-jumping platform used by confident swimmers. You do not need to jump, and you should only use it if you are comfortable with the conditions and instructions given on the day.

Vathy may feel short if you want time for a proper walk, a meal, and a swim. The hour allocated here is enough to sample the setting, but not enough for an unhurried exploration. Keep your expectations realistic: this is a scenic stop within a packed sea itinerary, not a full Kalymnos visit.

Plati: a small island and a clear-water swim

Plati, near Kalymnos, is less about walking ashore and more about stopping in a good swimming bay. The boat anchors near the coast, and you get around 20 to 30 minutes in the water while the crew prepares lunch.

This is the kind of stop that makes the cruise good value. You do not spend the whole day looking at the sea from a deck. You get a real chance to cool off, snorkel, and enjoy the color and clarity of the water.

The time is short, so have your towel, mask, and sunscreen ready before the anchor drops. If you are not a confident swimmer, ask about available safety equipment. One family member may be happy jumping from the boat while another prefers staying close to the ladder or wearing a life jacket.

Plati itself is described as uninhabited, so do not expect cafés, shops, or a village walk. The attraction is the quiet setting and the swim. It works well as a contrast to Pserimos, where you have shore time and local taverns.

Dolphins, music, and the Poseidon crew

The crew is a large part of the experience. Mike has been praised for trying hard to find dolphins, sometimes directing attention toward them and encouraging everyone to make enough noise to spot them. Ariel has also been noted for being especially helpful, while Captain Ioannis and Nicolas have received warm praise for their care and energy.

Dolphin sightings are possible but never guaranteed. Several departures have seen dolphins close to the boat, sometimes more than once, and that can become the day’s big surprise. The crew may actively search, but wildlife remains unpredictable, so book the cruise for the islands and swimming first.

Onboard entertainment includes music, dancing, sing-alongs, and a friendly bar service. Cocktails and soft drinks are available to buy, and happy-hour deals have been popular. Card payment has been accepted on some departures, but I would still carry a little cash for island taverns and small shops.

This atmosphere suits people who enjoy company. It may be less appealing if you want a silent crossing, low music, or a nearly empty boat. Several departures have felt comfortable and spacious, while others have been described as crowded. Group size can change from one sailing to the next.

What the $33 price really covers

At $33 per person, this is unusually strong value for a 450-minute cruise. The fare covers the boat trip, visits to Pserimos and Plati, swimming stops at Plati and Rina, and lunch. Add hotel pickup and drop-off if you choose that option.

You are effectively paying for a full day on the Aegean, several destinations, a meal, and crew entertainment. A similar day can become expensive once you add transport, food, and drinks separately, so the included lunch matters.

The price does not cover drinks. If you buy cocktails, soft drinks, or beer aboard, your final cost will rise. You may also spend extra at a beach tavern, in Vathy, or on souvenirs at Pserimos.

The trade-off is scale and control. This is a shared excursion with a fixed route and planned stops. You cannot linger at Pserimos for the afternoon or leave Vathy whenever you like. For the price, that is a fair compromise, especially if you want to see several places without arranging separate boats.

Sun, sea conditions, and what to pack

The Aegean sun is strong, and much of the day is spent outdoors. Bring swimwear, a towel, sunscreen, sunglasses, a sun hat, and comfortable shoes. Reapply sunscreen often, even when a breeze makes the heat feel mild.

Shade can be limited when the boat is full. You may want to arrive early, note where the shaded seating is, and avoid staying in direct sun for the entire crossing. A light cover-up is useful between swims.

The boat ride can be calm, but open-water conditions are not always smooth. One departure had a rough crossing, though the day still went well. If you are prone to seasickness, sit where movement is less noticeable and keep your plans flexible.

Comfortable shoes are useful for the harbor, village paths, and beach areas. You should also keep valuables secure while swimming. The details supplied for this trip do not promise snorkeling equipment, so bring your own mask if snorkeling is important to you.

Who will enjoy this cruise most

I would recommend this trip to couples, families with older children, solo passengers who like a social setting, and anyone seeking a low-cost day away from Kos Town. The stops provide enough variety to keep the day moving, while the swimming breaks prevent it from becoming a simple sightseeing ride.

Families should note that the fun depends on everyone being comfortable around deep water, boat ladders, and a lively deck. Children aged around 11 and 12 have enjoyed similar days, but supervision remains the parent’s job.

It is also a good fit for people who want a taste of several Dodecanese islands rather than a detailed visit to one. You see beaches, a small settlement, a fishing village, and open sea in one outing.

I would hesitate if your priority is peace and quiet, a private itinerary, a gourmet lunch, or a long stop in each place. The boat can be busy, the music is part of the program, and Vathy may feel rushed.

You can cancel up to 24 hours before departure for a full refund, and the reserve-now, pay-later option helps if your plans are still changing. English is the stated language for the host or greeter.

Should you book the Kalymnos and Pserimos cruise?

Book it if you want a full day of swimming, island scenery, Greek food, and good-natured entertainment without spending much. The strongest reasons are the three different stops, the clear water around Plati and Rina, the quiet beach at Pserimos, and a crew that works hard to include everyone.

Skip it if you want a calm private sail or a carefully paced cultural tour. For most people staying in Kos, though, the combination of price, time at sea, included lunch, and possible dolphin sightings makes this one of the better-value day trips available. Get to the boat early, claim some shade, pack serious sun protection, and think of the meal as convenient rather than fine dining.

FAQ

Where does the cruise depart from?

The meeting point is Kos Port at Akti Kountourioti, very close to Kos Town’s city center. The boat name listed for the experience is POSEIDON.

How long does the activity last?

The stated duration is 450 minutes, which is about seven and a half hours.

Which islands does the cruise visit?

The route includes Pserimos, Plati near Kalymnos, and Vathy, including the clear waters of Rina.

Is hotel pickup available?

Yes. Pickup is available from selected hotels and locations in Kos Town, Psalidi, Agios Fokas, Lambi Beach, Tigaki, Marmari, Mastichari, and Kardamena.

Is lunch included?

Yes. Lunch is included and may feature dishes such as souvlaki, Greek salad, tzatziki, and fruit. Drinks are not included.

Are drinks included in the price?

No. Drinks must be purchased separately. The boat has a bar offering alcoholic and soft drinks.

What should I bring?

Bring comfortable shoes, sunglasses, a sun hat, swimwear, a towel, and sunscreen.

Can I cancel the booking?

Yes. You can cancel up to 24 hours in advance for a full refund. You can also reserve now and pay later.