Kos Town: Glass-Bottom Boat Cruise with Swimming Stops

The best part is waiting below the boat. This 150-minute trip from Kos Town combines a ride on the Aegean, views toward Pserimos, a look at an old shipwreck, and a swim in clear green water. I like the simple format: you get a proper sea outing without giving up a full day, and the $23 price is easy to justify.

I also like the family-friendly setup. There are two glass-bottom viewing areas, a shaded section, a top deck, toilets, floating aids, and a bar selling drinks and snacks. The main drawback is that the glass can be scratched, cloudy, or hard to see through until the boat reaches the wreck. You should treat the glass-bottom feature as a bonus, not the whole reason to book.

The yellow Dorry Glass Bottom Speedboat waits right in Kos Town port, so finding it is simple. Arrive early if you want an outdoor seat, especially in high season. Boarding can get untidy, and a full boat leaves less room around the viewing area.

Key Points Before You Book

• The shipwreck is the strongest glass-bottom moment: Visibility improves when the boat reaches the wreck, where fish and underwater details become easier to see.
• The Pserimos swim stop is the real star: You get time in clear water, with fish, a sandy shore, and a peaceful cove.
• It lasts 150 minutes: This is a good choice if you want a half-day activity rather than an all-day sailing trip.
• The boat suits families: Children can watch for sea creatures, use floating aids, enjoy the slide, or simply sit in the shade.
• Outdoor seating goes fast: Boarding early helps you claim a place upstairs and avoid being crowded near the glass panels.
• Bring your own snorkel if possible: The water is clear and fish are visible around the boat and swimming area.

Finding Dorry in Kos Town Port

The meeting point is refreshingly easy. Look for the yellow Dorry Glass Bottom Speedboat directly at the port. You do not need a long transfer across Kos, which makes this useful for a free morning or afternoon in town.

The boat has an English, Greek, Italian, and German-speaking host or greeter. That language mix is handy for an international group, and the crew generally keeps things friendly without constantly interrupting your time at sea.

Boarding is the one part that may test your patience. The boat can already be quite full before the advertised departure, and the order at the dock may feel loose. I would arrive well before departure if sitting outside matters to you. One family arrived about 20 minutes early and still found the outer seats taken.

That advice matters most in summer, when the top deck is the obvious place to settle. If you sit under cover, you are protected from the sun, but you may also be closer to the glass viewing area and the busiest part of the boat.

Setting Out Across the Aegean

Once Dorry leaves the port, the trip settles into an easy rhythm. You can sit upstairs in the sun, move to the shaded section, or buy a drink from the onboard bar. Beer, soft drinks, snacks, and cocktails are available for an extra charge, and the boat accepts card according to the onboard experience described by passengers.

The music gives the ride a relaxed holiday feel. It is not a quiet sailing excursion, so choose another activity if you want a calm, silent trip. For many families and groups, though, the music adds energy without taking over the whole outing.

The boat offers views back toward Kos and across to Pserimos. The ride itself is part of the value, but the strongest reason to choose this cruise is the combination of short travel time and a proper swim stop. You are not spending hours simply getting to a distant island.

The sea can be choppy. If you or your child gets motion sick, sit where you can look toward the horizon and move outside if needed. The crew has been helpful with children who felt unwell, but the trip remains a speedboat ride, not a slow and steady ferry crossing.

Seeing the Shipwreck Through the Glass

The glass-bottom sections are designed for a quick look into the water. Children can search for fish and other sea life while the boat moves between stops. There are two viewing areas, which helps spread people around, though the space can still feel crowded when everyone wants the same view.

The quality of the glass is mixed. Some panels have scratches or a plastic cover that needs cleaning. At first, you may wonder if the glass-bottom claim is doing too much work. The view can look foggy or dull when the boat is moving over ordinary water.

The wreck changes the picture. When Dorry passes over the old shipwreck, the underwater view becomes much more rewarding. The water is clear enough to reveal the shape of the wreck and fish around it, and the guide provides information about what you are seeing.

I would set your expectations correctly. This is not a marine research trip with constant underwater sightings. It is a short look from a moving boat, and your view depends on light, water conditions, crowding, and the condition of the viewing panels. Still, the wreck is a memorable part of the route, especially when the sea is calm and visibility is good.

Try to reach the viewing area before the boat arrives over the wreck. If you wait until everyone notices the stop, you may end up standing behind several people. Be mindful of children and smaller adults, since the area can become tight.

The Pserimos Swim Stop

The cruise’s best moment comes when the boat stops near Pserimos. The water is often remarkably clear, with fish close to the boat and a sandy shore nearby. The cove has the feel of a Blue Lagoon, and you get time to swim rather than just take a quick dip.

You can jump from the side of the boat or use the slide into the sea. Floating devices and pool noodles are available for people who are not confident swimmers, and children can use them to relax in the water. Life vests are also available, though one point worth noting is that larger sizes may be limited.

The swim stop is not a minor add-on. Several parts of the trip are pleasant, but this is where the $23 begins to look like a very good deal. You get a clear-water swim, fish, island views, and time to enjoy the water without paying for a full-day island cruise.

Bring a snorkel if you have one. Goggles and some floating aids may be available, but a personal snorkel gives you a better chance to watch fish for longer. The water is clear enough that simply swimming near the boat can be interesting, even if you do not reach the shore.

The official plan describes one swim stop. Do not book this expecting several separate swimming locations. One stop gives you enough time to enjoy the water, but anyone wanting a full day of beaches and coves should choose a longer boat trip.

How the Boat Works for Families

This is one of the better short sea activities for families in Kos. Children can watch for fish, explore the glass-bottom sections, listen to music, jump from the boat, use the slide, or stay dry and enjoy the view.

The crew has earned praise for being attentive with children. One crew member, Manolis, was especially kind and helpful to a child with autism. Another family described the crew as supportive after a small incident involving their son. Those details matter because boat trips can feel stressful when a child needs extra help.

A child who does not want to swim can still have a good time. The crew has helped children fish from the boat, and the shaded area gives non-swimmers a place to sit. Parents should still keep a close eye on young children near the water and around the slide.

The main family concern is seating. If you arrive late, you may not find enough outdoor space for everyone to sit together. The undercover section is useful, but during a choppy ride a child who is feeling ill may prefer the upper deck and a clear view of the horizon.

Drinks, Snacks, Music, and Practical Comforts

The boat trip price includes the ride, but not food or drinks. The bar sells beer, soft drinks, snacks, and cocktails. Prices have been described as reasonable, including freshly made cocktails at about €5, and there is no reported pressure to buy.

Toilets are onboard, which is a real comfort during a 150-minute outing. You can also move between sunny and shaded areas, so you do not need to spend the whole trip under strong Greek sun.

Music plays during the ride and helps create a cheerful party mood. If you want a quiet nature cruise, this may feel too lively. If you enjoy a casual afternoon with music, drinks, and swimming, it fits the mood well.

Wear swimwear under your clothes and bring a towel. Pack sunscreen, water, a hat, and a snorkel if you own one. A small dry bag is useful for phones and other items near the swimming area, though no special equipment list is provided.

Is Two and a Half Hours the Right Length?

For many people, yes. The 150-minute schedule gives you a clear beginning, a shipwreck stop, a swim, and a ride back without taking over the day. You can still spend time in Kos Town before or after the cruise.

This shorter format works well for families with young children, couples who want a sea outing, and anyone who does not want to commit to a full-day sailing trip. The ride is long enough to feel like a real excursion, but short enough to remain manageable.

Some outings may run closer to three hours in practice. The advertised duration is 150 minutes, so keep a little flexibility around the end time if you are arranging another activity. Departure times can also depend on the boat’s return from an earlier sailing, especially if you choose a later trip.

The trip is not ideal if you want a secluded, quiet boat or a long island stay. It is a shared boat with music, limited seating, and a popular swimming stop. Its strength is good value and easy access, not luxury or privacy.

What the $23 Price Really Buys

At $23 per person, this is one of the easier Kos activities to recommend on value. The price covers a boat ride, sea views, the shipwreck, a swim near Pserimos, crew assistance, and access to floating aids. Food and drinks cost extra, but you can choose how much you spend onboard.

The cruise is especially good value for families. A full-day excursion can cost far more and may involve long hours at sea. Here, you get the main pleasures of a boat trip in a compact package.

The glass-bottom feature is less consistent than the swimming. Scratched or cloudy panels can limit the view, and a crowded viewing area can make it difficult to get a good position. If the underwater viewing is your main goal, you may feel slightly disappointed.

If you see the glass as one part of a larger afternoon, the price makes more sense. The clear-water stop, helpful crew, music, snacks, and easy port location carry much of the experience.

Who Should Book This Kos Cruise?

I would recommend it to families, couples, first-time visitors to Kos, and anyone who wants a simple introduction to the Aegean. It is also a strong pick for people who want to swim but do not want to spend a full day on a boat.

You will likely enjoy it if you like a relaxed holiday atmosphere, do not mind music, and are happy sharing space with other people. It is also suitable for less confident swimmers because floating aids are available and the crew pays attention to safety.

You may want another type of outing if you dislike choppy water, need a quiet setting, or expect a polished glass-bottom viewing experience throughout the route. The glass is functional rather than spectacular, and the boat can feel crowded at popular times.

The most useful tip is simple: arrive early, claim a sensible seat, and bring a snorkel. Sit upstairs if you are prone to motion sickness, use the shade when the sun becomes too strong, and get ready for the swim stop rather than waiting until the boat reaches the cove.

Should You Book Dorry?

Book it if you want a short, low-cost boat outing with a genuinely lovely swim. The Pserimos stop is the highlight, and the shipwreck adds enough underwater interest to make the glass-bottom design worthwhile.

Skip it if you want several beaches, a quiet sailing mood, or a private experience. For most people, though, the mix of friendly crew, clear water, music, family activities, and a $23 price makes this an easy half-day choice from Kos Town.

FAQ

Where does the glass-bottom boat cruise meet?

You meet the boat directly at the port in Kos Town. Look for the yellow Dorry Glass Bottom Speedboat.

How long does the cruise last?

The stated duration is 150 minutes, or two and a half hours. Allow some flexibility around the return time, particularly for later departures.

Does the cruise include a swimming stop?

Yes. The boat stops near Pserimos for swimming in clear water. The standard plan includes one main swim stop.

Is food or drink included?

No. Drinks, snacks, beer, and cocktails are available onboard for an additional charge.

Are floating aids available for swimmers?

Yes. Floating devices and pool noodles are available, and life vests are onboard. One note from the experience is that larger life vest sizes may not always be available.

What languages are supported?

The host or greeter languages are English, Greek, Italian, and German.