Reviewed · GREEK ISLAND DAY CRUISES
The Santa Maria 3 Island Cruise in the Aegean w/ Free Audio Guide
The best part of the Santa Maria 3 Island Cruise is the variety packed into one day. You get a sandy beach on Pserimos, a chance to spot dolphins near Kalymnos, a swim in the turquoise water around Plati, and time in Vathy for local treats and a second swim.
I like the low price of $30.25 and the fact that lunch is included. I also like the relaxed mix of swimming, island time, music, and cruising, rather than a day built around nonstop sightseeing. The main drawback is that drinks cost extra, and a seven-and-a-half-hour boat trip can feel long if you would rather spend the day on dry land.
Quick takeaways from the Aegean day cruise

- Three islands in one outing: Visit Pserimos, Plati, and Kalymnos without arranging separate boats.
- Pserimos is for simple beach time: Expect a sandy shore, limited shops, and about 40 minutes to relax.
- Plati adds a swim stop: The tiny island is used for swimming and cliff jumping, with no stated sightseeing program.
- Vathy brings local flavor: Use your time in Kalymnos to try fresh orange juice and Kalymnian honey.
- Lunch is served aboard: A traditional BBQ is included, while water, soft drinks, and alcohol cost extra.
- Plan for a full boat: The maximum group size is 150, though some seating and sunbathing space is available aboard.
What this Kos cruise is really like

This is a full Aegean day built around water, sun, and short island stops. It is not a deep tour of three islands. Instead, it gives you a taste of several places while the boat itself becomes your base for lunch, music, swimming, and rest.
The pace is easy to understand. You leave the port of Kos at 9:30 a.m., visit Pserimos first, pause near Kalymnos for dolphin watching, stop at Plati for a swim, then spend longer around Vathy before returning to Kos. The listed duration is about 7 hours and 30 minutes.
I would see this as a good choice for you if you want a simple, affordable sea day and do not want to compare ferry schedules or book several short excursions. It also works well for people who enjoy a social boat atmosphere. The maximum capacity is 150, so this is not a private sailing trip or a quiet yacht charter.
The mood can be lively. Music and dancing may be part of the day, and the crew is described as friendly and helpful. On the other hand, if you want long, silent stretches with very few people around you, the group setting may not suit you.
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Pserimos gives you 40 minutes of beach time

Pserimos is the first proper stop, and the appeal is its simplicity. You will find a broad sandy beach and not much shopping. The 40-minute stop is enough for a quick swim, a little sun, or an ice cream, but it is not long enough for a full island exploration.
That short stay matters. You can step off the boat, get settled on the sand, and enjoy the sea without needing to plan a complicated visit. If you prefer a quiet beach over souvenir stalls and busy streets, Pserimos may be one of the most pleasant parts of the morning.
Do not expect a large selection of shops or a packed sightseeing program. The island stop is mainly about the beach. Bring your swimwear under your clothes if possible, since you will have limited time to change and settle in.
The boat itinerary gives you about 40 minutes here, and that makes footwear practical. Wear something easy to remove for the beach and bring a towel. You will want to return to the vessel on time because the cruise continues to its next stop.
Dolphin watching near Kalymnos
After Pserimos, the boat makes a short dolphin-watching stop near Kalymnos. The stated time is 20 minutes, so think of this as a hopeful wildlife encounter rather than a guaranteed sighting.
The boat passes through the dolphins’ natural habitat, giving you a chance to watch the water and scan the area. Keep your phone or camera ready, but do not build the whole day around seeing one. Wildlife follows its own schedule.
This brief pause changes the rhythm of the trip. You have moved from beach time to open-water viewing, and then you return to the cruise. It is a nice extra for anyone who enjoys being on the sea, but the stop is too short to count as a major part of the itinerary.
Choose a place with a clear view if dolphins are high on your list. The boat may have people moving around to watch, so being ready before the stop begins helps. The crew calls this a short dolphin-watching safari, not a dedicated wildlife tour, and that is the right expectation.
Plati is the day’s best swim stop

Plati is a tiny island used for a 40-minute swimming stop. Here, the focus is the turquoise water, cliff jumping, and time in the sea rather than a town visit.
If you enjoy getting straight into the water, this may be your favorite stop. You can swim from the boat area and take in the rocky island setting. The cliff-jumping option adds a little excitement, but it is optional. You should only attempt it if you are comfortable with the conditions and follow the crew’s instructions.
The itinerary does not promise a long beach visit or cultural sightseeing at Plati. It is a water stop. That makes it less useful for you if you want shops, cafés, or historic buildings, but it is a strong fit for a hot day when swimming is the main goal.
A towel, sunscreen, and secure footwear are practical here. Since several stops involve swimming, I would carry only what you need on deck and protect your phone from splashes.
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Vathy on Kalymnos adds food and village time

The longest stop comes at Vathy, a small port on Kalymnos. You have about 1 hour and 20 minutes here, giving you more time to step ashore, explore, try local flavors, and swim again.
The food details make this stop more than a simple swim break. You can look for freshly squeezed orange juice and Kalymnian honey, two local tastes specifically associated with the visit. These purchases are not included, so keep some spending money with you.
Vathy is also where the day combines shore time and lunch. After exploring and swimming, you return to the boat for a freshly cooked traditional BBQ. Vegetarian and vegan meals are available if you request them ahead of time.
That advance request is important. Do not wait until boarding to ask for a special meal. The standard lunch is included in the fare, but beverages are not. Bottled water, other nonalcoholic drinks, and alcohol all cost extra.
The 80-minute stop gives you enough room to choose between exploring and swimming, though you may not want to do both at length. If local food interests you, spend part of the time looking for orange juice or honey. If the heat is strong, save time for the water.
Lunch, drinks, and what the $30.25 price covers

At $30.25 per person, the cruise offers good value if you want several activities in one booking. You receive the boat trip, the island stops, a traditional BBQ lunch, restroom access, onboard WiFi, and a free audio guide that works through your smartphone.
The included lunch is the key value point. A full day on the water can become expensive when meals are separate, so having a BBQ served aboard keeps the basic cost predictable. You still need to budget for drinks and any purchases at the islands.
Alcohol is not included and is limited to people aged 18 and over. Bottled water and other beverages are also extra. I would bring a payment method for drinks, orange juice, honey, ice cream, and souvenirs.
The price is especially appealing when compared with arranging separate transport to several islands. You give up privacy and flexibility, but you gain a clear route, an onboard meal, and a full day with one meeting point.
The free audio guide is useful, with one small catch

The audio guide is personalized and accessed through your smartphone. It is offered in several languages, which can help you understand more of the places you pass without paying for a separate guide.
You should bring a charged phone and be ready to use it during the cruise. The experience is offered in English, but the audio guide itself supports several languages. The supplied details do not name a live guide, so do not expect a personal historian leading every stop.
I like this setup because it lets you listen when you want and ignore it when you prefer music, sea views, or conversation. It gives the day a little more context without turning the cruise into a formal lecture.
WiFi is available onboard, though you should not rely on it as your only way to access anything important. Download or prepare anything you need before departure, and keep your phone protected around the swimming stops.
Boarding, timing, and boat capacity

You meet Kos Cruise Experts at the port of Kos, at the vessel, no later than 30 minutes before the 9:30 a.m. departure. That early arrival is not a suggestion to ignore. You need time to check in, board, and choose your seats.
The cruise ends back at the same meeting point. The departure point is near public transportation, which makes it practical if you are staying elsewhere in Kos, though you still need to allow enough time to reach the port.
The boat can carry up to 150 people. That is a sizable group, so the experience will feel more like a shared excursion than a small sailing trip. One useful detail is the presence of mats for sunbathing aboard, and the boat’s limited capacity compared with some larger themed sailing vessels can make the day feel less crowded than other options.
Still, you should expect movement, shared seating, and a social atmosphere. The group size also explains why the schedule is fixed. Pserimos, Plati, and Vathy each have set stop lengths, and the boat needs everyone back onboard on time.
There has been at least one instance in which the Santa Maria was not sailing and passengers were moved to the sister ship Captain Morgan. That suggests the operator may use another vessel when needed. If the exact boat matters to you, confirm the vessel before departure.
Who will enjoy this day most
I would recommend this cruise to you if you want a budget-friendly island sampler with swimming, lunch, and a little local flavor. Families, couples, groups of friends, and solo visitors who enjoy shared activities can all find something to like here.
It suits people who want a relaxed day more than a serious sightseeing program. You get short beach and swim stops, not hours to explore each island. The schedule is best for anyone who likes variety and accepts that each stop is brief.
You should think twice if you dislike boats, have no interest in swimming, or want to spend a full day on one island. The dolphin sighting is not guaranteed, the drinks cost extra, and the group can be fairly large.
The free cancellation policy gives you some room to adjust plans. You can cancel at least 24 hours before the start for a full refund. Bad weather or failure to reach the required minimum number of participants can also lead to a new date, another experience, or a full refund.
What to bring for a smoother day
Pack a swimsuit, towel, sunscreen, and a hat. You will have several water opportunities, so wearing swimwear beneath your clothes can save time during the short stops.
Bring a charged smartphone for the audio guide and photography. Add a small amount of money for drinks, ice cream, fresh orange juice, honey, and souvenirs. Lunch is included, but beverages are not.
Arrive at least 30 minutes early. The operator asks you to meet directly at the vessel by then so you can board and select seats. If you do not want to appear in promotional photos or recordings, tell the crew before departure.
Should you book the Santa Maria cruise?
Book it if you want to see several Aegean islands in one affordable day, with lunch and swimming already built into the plan. The best parts are the beach at Pserimos, the clear-water stop at Plati, the longer visit around Vathy, and the easy price.
Skip it if you want privacy, a slow island visit, or complete control over your schedule. For most people looking for a cheerful Kos boat day without a high price tag, this is a sensible choice. Just arrive early, bring swim gear, budget for drinks, and treat dolphin watching as a bonus rather than a promise.
FAQ
How long does the Santa Maria 3 Island Cruise last?
The cruise lasts approximately 7 hours and 30 minutes.
What time does the boat leave?
The scheduled departure time is 9:30 a.m. You should meet the vessel at least 30 minutes before departure.
Where does the cruise start and finish?
It starts at Kos Cruise Experts at the Port of Kos and ends back at the same meeting point.
Which islands does the cruise visit?
The route includes Pserimos, Plati, and Kalymnos, including a stop in the port of Vathy on Kalymnos.
Is lunch included?
Yes. A traditional BBQ lunch is served aboard the boat. Vegetarian and vegan options are available if requested ahead of time.
Are drinks included?
No. Alcoholic beverages, bottled water, and other drinks are not included in the price.
Is there an audio guide?
Yes. A free personalized audio guide is available through your smartphone, with several language options.
Is dolphin watching guaranteed?
No. The cruise includes a 20-minute dolphin-watching stop near Kalymnos, but wildlife sightings cannot be guaranteed.
Can I cancel for a full refund?
Yes, if you cancel at least 24 hours before the experience begins. Cancellations or changes made less than 24 hours before departure are not refunded. Weather or minimum-participant cancellations may result in another date, another experience, or a full refund.
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