Reviewed · MARATHON DAY TRIPS

Athens: Marathon Cape and Bay of Schinias Snorkeling Trip

4.8 · 131 reviews From $90 Operated by Kanelakis Diving Experiences · Bookable on GetYourGuide
Book on GetYourGuide →

What makes the Athens Marathon Cape and Schinias snorkeling trip fun is the combo of speedboat cruising and real time in the water at two different spots. I love that you get support from an on-hand instructor (English and French), and I love the small-group size of up to 7, which makes it easier to feel comfortable even if you are a first-time snorkeler. One consideration: this is a weather-dependent outing, and it is not for non-swimmers.

You also get that rare feeling of being out of the Athens rush. You will ride along the Marathon coast area, take in the scenery, and then spend your time where it matters most, the water and the protected Schinias area. Bring a towel and your swimwear, because this is a straight-on-the-water, hands-on kind of half day.

Key things I’d plan around before you go

Athens: Marathon Cape and Bay of Schinias Snorkeling Trip - Key things I’d plan around before you go

  • Two snorkeling zones at Marathon Cape and Schinias Bay, so you are not stuck at just one cove
  • Schinias National Park protected area vibes, with a calmer feel and less crowded water than you might expect
  • Small group up to 7 for more personal attention and quicker help with gear
  • Snacks and drinks onboard plus juice or tea, which keeps you from feeling wiped out during the return ride
  • Photos and videos included, so you are not relying on shaky phone shots underwater
  • Guide support in English or French, helpful whether you are a newbie or you want to get better at staying comfortable

Why Marathon Cape and Schinias Bay beat the usual Athens day trip

Athens: Marathon Cape and Bay of Schinias Snorkeling Trip - Why Marathon Cape and Schinias Bay beat the usual Athens day trip
If you are basing yourself in Athens and thinking, I want ocean time without spending a full day commuting, this trip makes a lot of sense. You start near Nea Makri, then you head out by speedboat to the Marathon Cape area, and you finish up with time at Schinias Bay. It is simple, structured, and focused on one goal: get you into good water quickly.

What really sells it for me is the mix of geography and protection. Marathon Cape gives you the coastal, headland feeling. Schinias National Park adds a protected-water, nature-focused mood, where it feels like the day is about the sea, not just sightseeing from a distance. The itinerary also includes a snack and break time, so it does not feel like you are sprinting from one stop to the next.

The snorkeling part is the main event, and the tour is set up for different comfort levels. You should come prepared to snorkel, but you are not thrown into it alone. Having an instructor watching your technique, timing, and breathing helps you enjoy the experience instead of worrying about what you are doing.

Meeting at Frinis 20, then getting out to Nea Makri’s shoreline speed

Athens: Marathon Cape and Bay of Schinias Snorkeling Trip - Meeting at Frinis 20, then getting out to Nea Makri’s shoreline speed
Your day starts at the dive center activity provider, at Frinis 20. The tour ends back at the same meeting point, which is a big deal for sanity. No complicated connections, no wondering how you are getting home from some random dock in the middle of nowhere.

Once you are set with your snorkel equipment, the momentum kicks in fast. The schedule includes boat cruising and sightseeing time toward Schinias Bay, so even before you put your face in the water, you are getting that wind-in-your-face speedboat feeling. Then you move toward Marathon Cape, where you get your snorkeling break and snacks.

Duration is about 4.5 hours. That is long enough to do two meaningful water sessions, but short enough that you will still have energy afterward for dinner.

Stop 1 at Schinias Beach: setting up for clear water time

Athens: Marathon Cape and Bay of Schinias Snorkeling Trip - Stop 1 at Schinias Beach: setting up for clear water time
The first scheduled stop is Schinias Beach, with about 30 minutes included for boat cruise, sightseeing, and scenic views on the way. This is not just transit time. It is part of the experience rhythm, giving you time to settle, get oriented, and enjoy the coastline.

Schinias Bay is a good place to start because you are close to the protected area feel. You will get the vibe of why people come out here. Even if conditions are not perfect for long snorkeling swims, you usually still get valuable time in the water when you start at a shore-adjacent spot.

Practical note: bring your towel. You will likely want it soon after your first time in the water, and you do not want to dry off with a crumpled plastic bag and pure hope.

Marathon Cape snorkeling stop: the short break that makes the swim better

Athens: Marathon Cape and Bay of Schinias Snorkeling Trip - Marathon Cape snorkeling stop: the short break that makes the swim better
You then head to Marathon Cape, with about 15 minutes of break time and local snacks. That break matters more than it sounds. After the boat ride, you get a pause to reset, eat something, and then go back into the water feeling less rushed.

This is one of the core reasons I like this tour. It is built around two different snorkeling spots, and the Marathon Cape stop gives you a change of scenery. The underwater world here is described as full of marine life, and the instructor helps you spot it. In multiple experiences, the guide approach is not just, swim around and hope. It is help you find animals, understand what you are seeing, and enjoy it safely.

Even if you consider yourself a careful snorkeler, you will probably appreciate the way the group format works. With a small group, you are less likely to feel lost, and you can get quick help with fin position, mask fit, and where to look.

A few more Athens days worth comparing

Schinias National Park time on the second stop: beach relaxation meets one more water session

The itinerary includes another Schinias Beach window with about 30 minutes of cruise, sightseeing, and scenic views, and you also get time to relax on the golden sandy beach and/or explore the clear waters of the bay. This is where the day turns from action to recovery mode.

If you have snorkeled before, you may use this stop to squeeze in a second look for different sea creatures. If you are new, this is the stop where it often feels easiest to stay calm, take your time, and enjoy the scenery above water. The bay setting makes it natural to switch between short swims and lounging, depending on how you are feeling.

One bonus I appreciate: the tour includes biscuits or fruits, plus juice or tea. After being in the sun and water for a few hours, that kind of simple refueling helps you stay in a good mood for the return ride.

Instructor coaching and snorkeling gear: where the small-group size pays off

Athens: Marathon Cape and Bay of Schinias Snorkeling Trip - Instructor coaching and snorkeling gear: where the small-group size pays off
You get snorkel equipment included, plus a guide on hand. That is the baseline. What matters is how it plays out in real life: with a group limited to 7 people, the instructor can actually pay attention to what you are doing.

In the feedback for this trip, the guide name that shows up often is Dimitri, and the consistent theme is that he takes care of the group and explains what you need to enjoy the water. If you are a novice, that kind of patience is huge. If you are confident already, it is still helpful to have someone point out animals and explain what you are seeing, rather than guessing.

Also, the tour is run in English and French, which makes it easier to follow instructions and feel comfortable. When safety and comfort are on your side, snorkeling stops feeling like a stunt and starts feeling like a relaxing outing.

What you actually get for the $90: value that is more than just the water time

Athens: Marathon Cape and Bay of Schinias Snorkeling Trip - What you actually get for the $90: value that is more than just the water time
At around $90 per person for a 4.5-hour outing, the price is not the cheapest option you will see. But it is also not trying to be a bare-bones deal. You are paying for guided snorkeling, speedboat cruising, and the convenience of not having to source gear or figure out the best spots yourself.

Included items that drive value:

  • snorkel equipment
  • guide
  • bottled water
  • biscuits or fruits, plus juice or tea
  • photos and videos from the trip

Those last two are quietly useful. Photos and videos mean you can spend time focusing on the sea instead of performing underwater gymnastics for your own camera. And snacks plus drinks keep the day from turning into a hangry scramble.

One more value point: the itinerary includes sightseeing time around Marathon and the Schinias area. Even though the water is the goal, you are not just rushing from dock to cove with nothing to enjoy.

Timing and weather reality: what can change, and how to plan around it

Athens: Marathon Cape and Bay of Schinias Snorkeling Trip - Timing and weather reality: what can change, and how to plan around it
This tour runs only under favorable weather conditions. If it is canceled due to poor weather, you get the option of an alternative date or a full refund. That is exactly what you want from a water-based activity.

What you should plan for on travel days:

  • Sun protection. You are on a boat and you will be in open coastal light.
  • A flexible mindset. If visibility or sea conditions are not ideal, the guide can adjust how you experience the water.
  • Comfort getting to and from Nea Makri. Your meeting and ending point are the same, which helps, but you still need a plan for transport to Frinis 20.

If you hate waiting around, you might find that cruise time and breaks feel like downtime. But if you like a relaxed pace, the 4.5-hour structure works well.

Who should book this Marathon Cape and Schinias snorkeling trip

Athens: Marathon Cape and Bay of Schinias Snorkeling Trip - Who should book this Marathon Cape and Schinias snorkeling trip
This is a strong fit if you want:

  • a half-day snorkeling outing from the Athens region
  • a small-group experience with real guide attention
  • a combination of boat cruising, two snorkeling stops, and beach relaxation
  • a tour that includes gear and simple onboard refreshments

It is also a good family-style day for the right ages, because the minimum age is 6 and children must be accompanied by an adult. It is not suitable for unaccompanied minors.

On the other side, skip it if:

  • you cannot swim
  • you are hoping for a long, intensive snorkeling session. The format is time-boxed by design, and it is more about enjoying the water safely than trying to cover every possible route.

Practical packing list for a 4.5-hour water day

This part is simple, and you will thank yourself later:

  • Swimwear
  • Towel

Beyond the stated items, you might also want:

  • sun protection (you will be outside the whole time)
  • a bag or small container for your phone and personal items, since you do not want saltwater stress

Shoes are optional for the boat itself, but you may appreciate something easy if you need to walk on uneven shoreline areas.

The bottom line: should you book?

Book it if you want a guided Athens snorkeling day that actually feels like you are out in the coast, not stuck in an overpacked group. The small group size, two different snorkeling stops, and included gear make it a practical value. Add in photos and videos, plus snacks and drinks, and you get a day that is easy to enjoy from start to finish.

Skip it if you are a non-swimmer or you are looking for a very long snorkeling push. This trip is designed to be comfortable, guided, and time-efficient, with real sea time and a relaxed finish at Schinias.

FAQ

FAQ

Where do I meet for the Athens Marathon Cape and Bay of Schinias trip?

Meet at the activity provider’s dive center called Kanelakis Diving Experiences at Frinis 20. The trip also ends back at the same meeting point.

How long is the snorkeling trip?

The duration is about 4.5 hours. Starting times vary, so you’ll want to check availability.

What snorkeling equipment is included?

Snorkel equipment is included, along with a guide and bottled water.

Is this trip suitable for children?

Children must be accompanied by an adult, and the minimum age is 6. Unaccompanied minors are not allowed.

Is the trip suitable for non-swimmers?

No. This tour is not suitable for non-swimmers.

What languages are the instructors?

The instructor speaks English and French.

What should I bring?

Bring swimwear and a towel.

Is lunch included?

No, lunch is not included.

What is included in the price?

Included items are bottled water, guide, photos and videos from the trip, snorkel equipment, biscuits or fruits, and juice or tea.

What happens if the weather is bad?

The trip is subject to favorable weather conditions. If it is canceled due to poor weather, you’ll be offered an alternative date or a full refund.

More like this

Marathon Day Trips, compared.

The full Marathon Day Trips list →
Private Off-Road Tour Marathon Lake and Mountain from Athens
★★★★★★★★★★5.0· 90 reviews· from $145

Private Off-Road Tour Marathon Lake and Mountain from Athens

Read our review →
Marathon & Thermopylae Battlefields Private Day Tour from Athens
★★★★★★★★★★5.0· 64 reviews· from $323

Marathon & Thermopylae Battlefields Private Day Tour from Athens

Read our review →
Private Luxury Tour: Marathon – Battle & Run That Changed History
★★★★★★★★★★5.0· 30 reviews· from $162

Private Luxury Tour: Marathon – Battle & Run That Changed History

Read our review →
Private Historic Tour to Marathon & Thermopylae
★★★★★★★★★★4.6· 5 reviews· from $621

Private Historic Tour to Marathon & Thermopylae

Read our review →
Marathon Battlefield Half Day Private Tour
★★★★★★★★★★4.8· 3 reviews· from $141

Marathon Battlefield Half Day Private Tour

Read our review →

Browse the lists this tour appears in

Scroll to Top

Explore Athens

Every kind of day out, and the best of each.