Laganas Zakynthos: Marathonissi, Keri Caves and Turtles Spot

Turtles make this short boat trip memorable. From Laganas, you cruise across Zakynthos Marine Park on a glass-bottom boat, with chances to see loggerhead turtles and swim in clear water. I especially like the glass viewing panel, which gives you something to watch even between stops, and the easy three-hour format, which fits neatly into a beach holiday. The main drawback is that turtle sightings are never guaranteed, and several boats may gather around one animal.

The trip also works well for families and casual swimmers because you get several water stops rather than one long stretch at sea. You should know that boarding requires walking a few meters into the water, and shoes are placed in storage boxes before departure. Bring swimwear, sunscreen, and your own drinks.

Key points to know before you book

• Three hours from Laganas: A compact boat outing that covers turtle spotting, Keri Caves, Turtle Island, and Marathonissi.
• Glass-bottom viewing: You can look into the sea from the boat while the crew searches for loggerhead turtles in Laganas Bay.
• Several swim stops: Expect chances to swim near the Keri Caves, at Turtle Island, and from Marathonissi Beach.
• Marathonissi islet stop: You can buy a drink, snack, or ice cream on the sandy beach, though these extras cost more.
• Simple boat comfort: Choose the sunny upper deck or shaded seating area, depending on the weather.
• A practical caution: Boarding takes place from the beach and involves walking into shallow water, so large bags, luggage, and unsuitable footwear are a poor fit.

Starting from Laganas Beach

The meeting point is easy to recognize. Look for the Yotomu Laganas Boat Trip sign, along with a table and beach umbrella staffed by a YOTOMU representative.

There is no hotel pickup or drop-off, so you need to make your own way to the beach. That keeps the $29 price low, but it also means you should allow time to find the meeting point, especially if you are walking from elsewhere in Laganas.

Boarding is one of the more important practical details. You walk several meters into the sea to reach the boat, rather than stepping aboard from a solid pier. Wear your swimsuit under your clothes, and expect to remove your shoes before departure. Shoes are stored in boxes, so do not arrive with anything you cannot comfortably leave there for the trip.

Large bags and luggage are not allowed. Bring only what you need: towel, sunscreen, phone, small camera, and perhaps a compact waterproof pouch. If you bring food or drinks, keep them in a small bag that will not get in the way.

The boat offers two basic ways to sit. You can stretch out on the sundeck for sun and open views, or sit in the shaded area. On a hot Zakynthos day, the shade will feel more useful than it sounds, particularly during the slower stretches between stops.

Looking for loggerhead turtles in Laganas Bay

The first major part of the trip takes place in Laganas Bay, inside Zakynthos Marine Park. This is the area associated with the endangered loggerhead turtle, known locally and scientifically as caretta caretta.

The boat uses its glass bottom to show you the water below. That panel is not a substitute for snorkeling, but it gives the outing a clear purpose even when you are not swimming. You can watch the sea beneath the boat while the skipper looks for turtles at the surface.

Turtle spotting is wildlife viewing, not a scheduled performance. You may see one turtle, several, or none. One particularly good sighting placed a turtle directly below the glass-bottom section, making it easy to see. That is the sort of moment you hope for, but it cannot be promised.

You should also think about the way turtle watching works in a busy bay. Several boats can gather around a turtle when one appears. That may improve your chance of seeing the animal, but it can also crowd the scene and make the encounter feel less peaceful. Boat exhaust may be noticeable when vessels are close together, another reason to keep expectations realistic.

The best approach is to treat the turtle search as one part of the outing rather than the sole reason to pay. The cave, beach, and swimming stops give you a worthwhile day even if the wildlife is shy.

Swimming beside the Keri Caves

After the turtle search, the boat heads toward the Keri Caves area for a swimming stop. The caves provide a change from the open bay, with rock formations and clear water around the boat.

This is a good place to cool off. You can jump or climb into the sea, depending on how the boat is positioned, and swim near the cave entrance. The stop is not a guided cave walk, and you should not expect to go deep into the rock. Its appeal is the setting and the chance to swim in a striking part of Zakynthos Marine Park.

If you are not a confident swimmer, pay attention to the crew and stay close to the boat. The activity is not suitable for wheelchair users, and the beach boarding also makes it less suitable for anyone who finds walking through shallow water difficult.

Bring your own towel and remember that food and drinks are not included. The boat may not offer a regular refreshment service, so a bottle of water is especially useful after time in the sun and salt water.

Entering the large cave at Turtle Island

The next stop is Turtle Island, also called Marathonissi in the wider area, where the boat visits a large cave and gives you another opportunity to swim.

The cave stop is one of the trip’s more distinctive moments. You get to see the island from the water, approach the cave, and swim in a setting that feels different from the Keri Caves area. The boat format lets you reach places that would not be practical to visit on foot from Laganas.

This part also shows why the three-hour length works well. You are not tied to a full-day cruise, yet you still get more than a quick ride along the coast. There is time for turtle spotting, two cave areas, and a beach stop without turning the outing into a long commitment.

The exact amount of time at each place can vary with conditions and the pace of the trip. You should expect a shared boat experience, not a private charter with complete control over the schedule. If you prefer long, quiet swims at one location, this may feel rushed. If you like variety, the sequence keeps things moving.

Beach time on Marathonissi

The boat then stops at Marathonissi’s sandy beach. This is your chance to leave the boat, stretch your legs, and enjoy another swim from shore.

The beach stop adds useful variety. After sitting on the boat and swimming from the water, you can relax on sand, take in the island views, and cool off once more. You may also buy a drink, snack, or ice cream here. This is the only stated place during the trip to purchase refreshments, so plan ahead if you know you will want something cold.

Food and drinks are not included in the $29 cost. You are allowed to bring your own, and that is the sensible choice for water and basic snacks. Buying an ice cream on Marathonissi can be a pleasant treat, but you should not rely on the island for a full meal.

The beach stop is also where you need to watch the clock. It is easy to settle into the sand and forget that the boat has a return schedule. Keep your belongings together and listen for instructions from the skipper or host.

What the boat ride feels like

This is a straightforward excursion rather than a luxury cruise. The boat has a sun deck, shaded seating, and a glass bottom. Those features cover the basics well, especially for a three-hour trip.

The sun deck is best for open views and sunbathing. The shaded seating area is the better choice if you burn easily or want a break from direct heat. You can move between the two, giving you some control over how comfortable the ride feels.

The skipper provides information during the outing. English, Greek, and Italian are available, which helps if your group includes speakers of any of those languages. A good skipper can make a difference here by explaining the caves, pointing out turtles, and keeping the stops organized. One praised detail from the available feedback was a friendly captain who explained the surroundings throughout the trip.

Do not expect a silent nature trip. Engine noise, swimmers, and other boats are part of the experience. Laganas Bay is a popular area, and the most famous turtle sightings can draw several boats at once. You are paying for access to the marine park and coastline, not solitude.

Is $29 a good price?

At $29 per person, this is a solid-value introduction to the coast around Laganas. The price includes the boat, skipper, turtle spotting, and swimming stops at the Keri Caves, Turtle Island, and Marathonissi Beach.

The value comes from the number of places covered in only three hours. A taxi, private boat, or longer charter would cost more, while a simple beach day would not give you access to the caves or the turtle search. If you want a broad taste of the area without spending half a day at sea, the price makes sense.

There are extra costs to keep in mind. You pay for your own food and drinks, and refreshments on Marathonissi are not included. There is no hotel transportation, so getting to and from the meeting point is also your responsibility.

The price is strongest for people who want a shared boat, several short stops, and a good chance of seeing the coastline from the water. It is less attractive if you want privacy, guaranteed turtle sightings, extensive time at one beach, or a quiet wildlife encounter.

Who will enjoy this trip most?

I would recommend this outing to families, couples, and small groups looking for a simple water adventure from Laganas. The varied program helps hold attention: turtle spotting for curiosity, cave stops for scenery, and Marathonissi for sand and snacks.

It also suits people with limited time. Three hours leaves room for another swim, lunch, or an afternoon on the beach. The shorter schedule may be especially useful if you are fitting several Zakynthos activities into one day.

Confident swimmers will get the most from the stops, since the trip includes several chances to enter the sea. Non-swimmers can remain on board, but the activity is built around swimming and may feel less rewarding if you do not plan to get wet.

You should reconsider if you use a wheelchair or have difficulty walking several meters through shallow water. The boat is accessed from the beach, and the activity is specifically listed as unsuitable for wheelchair users.

Practical tips for a smoother outing

Arrive wearing your swimsuit. The beach boarding makes changing awkward, and one important detail is that you may need to walk into the water before you reach the boat.

Bring:

• Towel and sunscreen
• Drinking water
• Small snacks
• A compact camera or phone
• A small waterproof bag
• Cash or another way to pay for a drink, snack, or ice cream on Marathonissi

Avoid bringing suitcases or large beach bags. Luggage is not allowed, and the boat has limited room for bulky items.

If you are hoping for turtle photographs, keep your expectations modest. A turtle may surface briefly, and boat movement makes photography harder than simply watching through the glass. A phone with a waterproof case is more useful than delicate camera equipment.

You can cancel for a full refund up to 24 hours before departure, and the reserve-now, pay-later option gives you some flexibility. The trip must be booked at least 24 hours ahead, so it is not the best choice for a spontaneous decision on the beach that same morning.

Should you book the YOTOMU boat trip?

Book it if you want an affordable, compact introduction to Laganas Bay, with three swimming opportunities and a fair chance of seeing a loggerhead turtle. The combination of the glass bottom, Keri Caves, Turtle Island, and Marathonissi gives you more variety than a simple sightseeing cruise.

Go in with realistic expectations. Turtle sightings depend on nature, crowded boats can gather around an animal, and the boat is practical rather than lavish. You also need to manage your own food, drinks, transport, and beach boarding.

For $29, I think it is a sensible pick for a first visit to this part of Zakynthos, especially if your priority is seeing several coastal sights in three hours. Choose another option if you want a private boat, guaranteed wildlife, quiet water, or easy step-on access from a pier.

FAQ

How long is the Laganas boat trip?

The trip lasts three hours.

Where does the boat tour start?

It starts from the beach in Laganas. Look for the Yotomu Laganas Boat Trip sign, a table, and a beach umbrella with a representative present.

Is hotel pickup included?

No. Pickup and drop-off are not included, so you must reach the Laganas meeting point yourself.

What places does the boat visit?

The boat travels through Laganas Bay, stops near the Keri Caves, visits Turtle Island and its large cave, and stops at Marathonissi Beach.

Can I see loggerhead turtles?

The trip includes turtle spotting in Laganas Bay, but sightings are not guaranteed. The glass-bottom boat lets you look beneath the water while the crew searches.

Are swimming stops included?

Yes. Swimming stops are included near the Keri Caves, at Turtle Island, and from Marathonissi Beach.

Is food or drink included?

No. Food and drinks are not included. You may bring your own, and you can buy a drink, snack, or ice cream on Marathonissi.

Can I bring luggage?

No. Luggage and large bags are not allowed. Bring only a small amount of personal equipment.

What languages are available?

The host or greeter can communicate in English, Greek, and Italian.

Is the tour suitable for wheelchair users?

No. The activity is listed as unsuitable for wheelchair users, and boarding requires walking several meters into the sea from the beach.