Want sea turtles and dramatic caves in one morning? This small boat tour from Laganas swings past the Keri Caves and then toward Marathonisi (Turtle Island), so you cover a lot of coastline without spending all day in transit. Pickup is arranged through Cretan Holidays, and the tour runs from 10:00am for about 5.5 hours.

I love the mix of time on the water and time doing something fun, with chances to cool off in the sea during the ride. I also like that lunch is included, and the group stays small (maximum 12 people, with about 8 per boat), which makes the day feel smoother and more personal.

One big consideration: there’s no restroom access at the Agios Sostis port and none onboard the boat, and there aren’t places to buy snacks or drinks at the port either. Plan for that, and bring what you’ll need.

Key highlights to know before you go

• Keri Caves pass-by with long cruising time: you spend about 3 hours out on the boat along this section of the coast.
• Marathonisi (Turtle Island) time: about 2.5 hours cruising in the area where turtles are a big part of the appeal.
• Small-group feel: max 12 total, usually around 8 on each small boat.
• Lunch is built in: you’re not stuck searching for food mid-tour.
• English and French information on the water: you get live guidance rather than just a self-guided route.
• No restrooms, no snack stand: you’ll want to come prepared for comfort and hydration.

How the 10:00am small-boat tour schedule feels (and why it works)

This is the kind of tour that’s built for a half-day win: you’re picked up in an air-conditioned vehicle, then you’re out on the water for most of the morning. Start time is 10:00am, and the total duration is listed at about 5 hours 30 minutes, so it fits nicely into a day where you still want time afterward.

The logistics are straightforward. You’ll get your exact pickup details a few days before the tour via Cretan Holidays, and you’ll receive confirmation at booking. You’ll also use a mobile ticket, which keeps things light at check-in.

One reason I think this tour’s popular is the pace. It’s not a slow cruise where you feel like you’re waiting around. You’re on a motorboat, and the schedule is heavy on cruising time, with stops for sea time along the way.

Keri Caves: the coastal cruise that sets the mood

Your first big section is the pass by the Keri Caves. The timing is long enough that it doesn’t feel like a quick photo-op. You’ll spend roughly 3 hours cruising along this area, so you get repeated chances to look, shoot pictures, and appreciate the coastline from different angles.

What makes this part special is the feeling of being close to the cliffs and formations. From land, the caves are harder to understand as shapes and space. On the water, you can actually read how the coastline opens up and where the caves sit in relation to the sea.

Another plus I’ve noticed from the way people talk about this portion: it’s not just scenery. There’s time to enjoy the water, and the day often includes swim breaks. If you’ve been thinking about doing one sea-focused activity while you’re on Zakynthos, this section is a strong case for that plan.

If you’re sensitive to motion, this is also where you should be honest with yourself. You’re on a boat for several hours, and if sea sickness is an issue for you, this isn’t the best match.

Marathonisi (Turtle Island): calm views, big wildlife expectations

After the Keri Caves cruise, the route continues with time passing Marathonisi, which is commonly called Turtle Island. This segment is listed as about 2.5 hours on the boat, which is plenty of time to settle in and watch for wildlife rather than rushing through.

The big draw here is sea turtles. You may spot them during the cruise, especially since the area is part of why Marathonisi has its reputation. Even when turtles aren’t clearly visible, the coast-and-water views still land because the water changes color and texture as the boat moves along.

This is also the portion of the tour where the pace can feel more relaxed. You’ve already had the dramatic cliffs and cave coastline, so now it’s more about floating, scanning the water, and enjoying the open views. If you’re the type who likes looking for wildlife with your own eyes, this timing makes sense.

Lunch included: what you get and how to make it smoother

Lunch is included, and it’s a key part of why this tour doesn’t feel like an all-day food scramble. The day is built around time on the boat, but you’re still getting a proper meal so you’re not stuck with snacks and regret.

From the experiences shared, the lunch stop can include a local restaurant such as Restaurant El Greco. One thing I’d take from that: the food is often treated as part of the day’s value, not just a placeholder.

Since drinks are not included, you’ll want to think about hydration in advance. And since you can’t just pop into a shop at the port for snacks or drinks, pack a simple plan: water you can tolerate in the sun, plus anything you like to eat between boat time and lunch.

Small-group organization on the water (and what to expect from the guide)

This experience runs with a maximum of 12 people, which makes it feel more manageable than the big-boat crowd. And because each small boat can carry around 8 guests, you’re not squeezed shoulder-to-shoulder for hours.

You’ll also have live information in English and French. In practice, some of the narration often comes through the captain running the boat and sharing observations as you go. That’s usually a good setup for this kind of cruise because it’s happening in real time, right where you can look at what they’re describing.

One practical note: with a small boat setup, you’ll want to follow instructions quickly about when to shift positions for views or when it’s time to get ready for sea time. This isn’t a tour where you can wander far from the group and still catch the best angles.

What to bring for a no-restroom boat day

The biggest comfort detail on this tour is also the one many people forget until it’s too late: there are no restroom facilities at the Agios Sostis port and none on the boat. Plan your timing around that fact.

Also keep in mind that at the port there are no options to purchase snacks or drinks. So your best move is to come prepared with what you’ll want during the morning, especially if you tend to get hungry or thirsty easily.

Beyond that, I’d treat this as a sun-and-sea day. You’ll be outdoors, and you’ll likely have moments where the sea time is the point, not an afterthought. Bring whatever helps you stay comfortable in heat and wind, and keep your valuables secure since the day isn’t described as having lots of extra services onboard.

One more practical tip: if you’re worried about sea sickness, don’t just hope for the best. This tour involves long cruising time, and motion can vary by weather and sea conditions.

Price and value: is $112.23 worth it?

At $112.23 per person, this tour sits in the mid-to-higher bracket for Zakynthos half-day activities. The value comes from the combination, not a single feature.

You get:

• Pickup by air-conditioned vehicle
• A small-group boat experience
• Lunch included
• Live English/French guidance
• Long cruising windows for both Keri Caves and Marathonisi

If you compare the cost to doing separate activities (like booking a long boat cruise plus lunch plus transportation), the bundled approach is what you’re paying for. And the small group size matters because it usually improves the day’s feel: faster communication, better access to viewing angles, and less chaotic movement.

The other part of the value equation is timing. You’re on the water for much of the tour, and the itinerary is structured so you’re not just passing by things once and done. It’s designed for people who want the coastline highlights with minimal fuss.

Weather, cancellations, and booking timing

This is a boat-based tour, and good weather is required. If it’s canceled due to poor conditions, you’ll be offered another date or a full refund. That’s important to know because it affects your plan for the rest of the day.

Booking-wise, it’s noted that this tour is commonly reserved about 30 days in advance on average. If you’re traveling in peak season, that’s a hint to lock in your spot earlier rather than waiting for last-minute vibes.

Who this tour fits best (and who should skip it)

This tour is a great match if you want a coastline-and-sea day without turning it into a logistics project. The timing works well for first-time visitors in Laganas who want Keri Caves and Turtle Island areas covered with minimal moving around.

It’s also well-suited for people who like guided input while they look out at the water. Having English and French commentary helps you connect what you see with what it means.

I’d think twice if you:

• Need restroom facilities onboard (there aren’t any)
• Get sea sick easily, since you’re on the boat for several hours
• Expect lots of food or drinks available at the port (you’ll be bringing your own)

Should you book this Zakynthos small boat tour?

Book it if your top priorities are Keri Caves, Marathonisi/Turtle Island, and meaningful time actually spent on the boat. The small group size plus included lunch makes it feel like a complete package rather than a rushed stop.

Skip it or choose another style of experience if you’re very uncomfortable on boats or you need restroom access during the day. For everyone else, this is one of those Zakynthos trips where the main value is simple: you see dramatic coastline highlights and you get real sea time in a tightly planned half-day.

If you do book, come prepared with hydration and snacks, and plan your bathroom breaks before you go.

FAQ

What time does the tour start?

It starts at 10:00am.

Do I get pickup from Laganas?

Yes. Pickup is offered, and Cretan Holidays contacts you a few days before the tour with the exact pickup details.

About how long is the tour?

It’s listed at approximately 5 hours 30 minutes.

What languages is the tour guide available in?

The tour includes a guide in-person who speaks English and French.

Is lunch included?

Yes. Lunch is included.

Are drinks included?

No. Drinks are not included, and you can’t buy snacks or drinks at the port.

Are there restroom facilities at the port or on the boat?

No. There are no restroom facilities at the Agios Sostis port or on the boat.

Is this tour suitable if I get sea sick?

The tour notes that it’s not suitable for people with sea sickness, so it’s best to consider alternatives if you’re affected.

How many people are on the tour?

The tour has a maximum of 12 travelers.