Kos: 3-Island Cruise with Lunch, Swimming and Audio Guide

The best part of this Kos cruise is the mix of three very different island stops and easy time on the water. You get Kalymnos for sponge shops and local life, Platy for swimming from the boat, and Pserimos for a beach and a short wander. I like the tasty Greek barbecue and the friendly crew, especially guides such as Alex, Ariel, Aria, and Alexander, who have helped keep the day lively. The main catch is that dolphin sightings are possible, not promised, and the boat can fill up.

I also like the low $29 price, which covers lunch, the cruise, swimming stops, and the phone-based audio guide. Bring cash for island shopping, arrive early if you want shade, and keep your passport or a copy ready for boarding. This is a long day in the sun, so it suits active visitors more than anyone who needs easy access or a quiet, private boat.

Key points at a glance

• Kalymnos brings the local flavor: Walk around Vathy, see authentic Greek sponges, and shop for honey, orange juice, and souvenirs.
• Platy is the main swim stop: Jump from the boat or use the water for a refreshing break among the Dodecanese islands.
• Pserimos adds a beach visit: You get free time for a walk, small shops, cafés, and a slower island stop.
• The Greek barbecue is included: Lunch is served aboard the boat, while drinks cost extra and are sold from the bar.
• Dolphins are a welcome bonus: The boat spends time looking for them, but sightings depend on nature.
• Arrive early for the best spot: Shade and seating can become scarce when the boat reaches full capacity.

A full day at sea from Kos

This trip leaves from the Port of Kos and lasts about 450 minutes, or seven and a half hours. You meet outside the Santa Maria boat 30 minutes before departure, giving the crew time to check passports and get everyone aboard.

The Santa Maria is described as an 80-foot wooden boat with cushioned sundecks, shaded seating, tables, a bar, and clean toilets. That setup matters on a long cruise. You can move between sun and shade, sit down for lunch, and buy drinks without needing to leave the boat during the longer stretches between islands.

This is not a small sailing trip. The boat is typically full, and one report describes a switch from Santa Maria to the larger Captain Morrgain. That kind of boat change can happen, so check the vessel when you arrive. The atmosphere is usually social, with music and optional dancing near the end, but it is not presented as a nonstop party cruise. The Santa Maria is a good fit if you want a friendly day with plenty of activity and some time to relax.

Your phone provides a free audio guide in English, German, Greek, or Italian. The guide adds trivia and information as you go, which is useful during the sightseeing sections. Bring your phone charged and protected from water, since the best parts of the day involve swimming.

The first hours: open water and dolphin watching

The cruise begins with roughly 80 minutes of sightseeing across the Dodecanese. This is the part of the day when you settle into the boat, choose your seat, and watch the islands change shape as you move away from Kos.

The route then allows around 20 minutes for dolphin watching. The crew looks for dolphins gathering around the boat, and several departures have had sightings. Still, you should treat this as a chance rather than a guarantee. One trip had no dolphins but was still considered a good day, which is the right way to approach wildlife stops.

If you do see dolphins, it can be a memorable bonus. If you do not, you still have the sea views, the boat ride, and three island stops ahead. Keep your camera ready, but do not spend the whole crossing staring through a screen.

Kalymnos and the small town of Vathy

Kalymnos is the most useful stop if you want more than swimming. You have about an hour for sightseeing and walking, with time to explore the small town of Vathy and look at the island’s famous sponge trade.

Local shops display natural Greek sponges, and you can touch them before deciding what to buy. They make unusual, light souvenirs, but remember that shopping is not included in the price. Cash is a smart choice here. Card machines may be available, but they can be unreliable in some small shops.

Kalymnos also gives you a chance to try or buy local products such as honey and orange juice. These details make the stop feel different from a simple beach call. You are seeing a working island town, not just stepping onto a strip of sand for a photo.

The time is limited, so do not wander too far from the port. Use the first few minutes to get your bearings, then decide whether you want to shop, find a drink, or simply walk. The crew provides information when you arrive, and the audio guide adds more detail in your own language.

Platy Island and the best water stop

After about 30 minutes of cruising, the boat reaches Platy Island for around 40 minutes of free time and swimming. This stop is mainly about the water rather than shops or town streets.

You can swim from the boat and, depending on conditions and crew arrangements, jump in from the upper deck. Several people have singled out this stop as a highlight because the water offers a refreshing break after the first part of the cruise. It is also a good moment to use the sundeck, take photos, or simply sit with a drink.

Be realistic about the setup. Platy is not a full island visit with a long walk and a café-lined harbor. It functions as a swimming stop, and the boat remains central to the experience. If you prefer beach time on dry land, Pserimos will suit you better.

Pack your swimsuit under your clothes and keep your towel easy to reach. Sunscreen is essential, even on a day when you plan to spend much of the time in the water. The deck can be hot, and the white glare from the sea adds to the sun.

Greek barbecue lunch on board

Lunch is served on the boat, which is one of the strongest parts of the value. The meal is a Greek barbecue, and the menu information identifies it as included in the cruise price. Reports describe the food as tasty, with some people calling it a highlight of the day.

Eating on board saves you from using island time to find a restaurant. You can sit at one of the tables, enjoy the sea views, and let the crew handle the meal while the boat follows the route.

Drinks are not included, but the bar sells drinks and cocktails. Prices have been described as reasonable, and you can also buy refreshments during the cruise. Bring cash anyway, especially for the island shops and smaller vendors.

If you are traveling with children or teenagers, consider bringing extra snacks. Donuts are available on board according to one account, but a long day in the sun can leave active swimmers hungry between lunch and the next stop.

Pserimos for beach time and a short walk

After another 25-minute sightseeing cruise, the boat reaches Pserimos. You get about 40 minutes for free time, shopping, sightseeing, and walking.

Pserimos is the most relaxed land-based stop on the route. You can visit the beach, browse small vendors, buy a drink, or take a short walk near the port. It is a good place to slow down after the swimming stop at Platy and the town visit at Kalymnos.

Do not expect a large island town or hours of independent exploration. Forty minutes passes quickly, especially if you want to shop and reach the beach. Stay aware of the agreed boarding time and do not assume the boat will wait for late returners.

Pserimos works well as the final island stop because it gives you one last chance to buy local products and take photos before the long ride back to Kos. You might find the beach more appealing than the shopping, but the choice is yours.

The return cruise and the boat atmosphere

The route back to Kos takes about an hour and a half. By this point, you will probably be ready for a seat, a drink, or a place in the shade.

The boat has cushioned areas on the sundecks, shaded sections, tables, and a bar. Seating can be important on a full departure. Arrive early, complete boarding, and choose your preferred area before the boat fills.

The crew plays music and keeps the mood friendly. Some departures finish with optional dancing, adding a light Greek holiday feel without making dancing compulsory. Guides named Alex, Ariel, Aria, and Alexander have received particular praise for their humor, warmth, and help with passengers.

This is one reason the cruise seems to suit mixed groups. You can chat, listen to the guide, swim, or keep to yourself. It is not an isolated luxury sailing experience, and you should not expect silence. The reward is a social day with a well-planned route and plenty to do.

What the $29 price really includes

At $29 per person, this is unusually strong value for a full-day boat outing. The price includes the seven-hour-plus cruise, three island calls, swimming opportunities, dolphin watching, the audio guide, and Greek barbecue lunch.

You still pay for drinks, souvenirs, and local products. You also need to make your own way to the Kos harbor. Those extra costs are easy to control, especially if you bring cash and decide in advance how much you want to spend on sponges, honey, drinks, or beach purchases.

The value is strongest for anyone who wants variety in one day. Booking separate trips to Kalymnos, Platy, and Pserimos would take more planning and could cost much more. The tradeoff is that you follow a fixed schedule and share the boat with a full group.

Free cancellation is available up to 24 hours before departure, and you can reserve while paying later. Check the available starting time when booking, since the exact departure time is not fixed in the information provided.

Practical advice before boarding

Bring swimwear, a towel, sunscreen, cash, and your passport or a copy of it. A passport check is required for boarding, so do not leave your identification at the hotel.

Meet outside the Santa Maria 30 minutes before departure. The boat can reach capacity, so early arrival improves your chance of finding a comfortable place in the shade.

The experience is not suitable for pregnant women or people with mobility impairments. Swimming from a boat, moving around decks, and stepping ashore at small island ports all require a reasonable level of mobility.

I would also bring a waterproof phone pouch or bag. The audio guide works through your phone, while the day includes repeated swimming stops. You will want to keep your device dry and charged.

Who should book this cruise?

I would choose this trip if you want a low-cost, full-day introduction to the islands around Kos. It suits couples, families with older children, and groups who like a mixture of sightseeing, swimming, food, music, and shopping.

It is especially good for you if Kalymnos interests you but you do not want to spend a whole day arranging transport and meals there. The combination of sponge shops, Vathy, Platy’s water stop, and Pserimos beach gives you a broad taste of the Dodecanese.

I would think twice if you want a quiet sailing trip, a private boat, long hours on one beach, or guaranteed wildlife sightings. The boat may be full, the schedule is fixed, and the swimming stops depend on conditions and crew decisions.

Should you book the Santa Maria cruise?

Book it if you want plenty packed into one affordable day. The route gives you three different types of stop, the barbecue removes the hassle of finding lunch, and the crew adds a friendly human touch. Arrive early, bring cash, protect your phone, and treat dolphin watching as a bonus.

Skip it if you dislike group excursions or need step-free, low-effort access. For most visitors who want a cheerful day at sea with swimming, island scenery, and local shopping, this is a sensible $29 choice.

FAQ

How long does the Kos three-island cruise last?

The activity lasts 450 minutes, or about seven and a half hours.

Where does the cruise depart from?

It departs from the Port of Kos. Meet outside the Santa Maria boat 30 minutes before departure.

Which islands does the cruise visit?

The route includes Kalymnos, Platy Island, and Pserimos Island.

Is lunch included?

Yes. A Greek barbecue lunch is included and served aboard the boat.

Are drinks included in the price?

No. Drinks are available to buy on the boat, and drinks and cocktails cost extra.

Is dolphin watching guaranteed?

No. The cruise includes time for dolphin watching, but sightings depend on nature and are not guaranteed.

What should I bring?

Bring swimwear, a towel, sunscreen, cash, and your passport or a copy of your passport.