Athens: Marathon Cape and Bay of Schinias Snorkeling Trip

Marathon Cape and Schinias Bay offer a welcome change from Athens sightseeing: clear water, quiet coves, and a small speedboat instead of another ancient monument or crowded city street. From Nea Makri, you cruise along the coast, stop at two snorkeling areas, and spend time at a sandy beach inside Schinias National Park.

I like two things right away. First, the group is limited to seven people, so Dimitris can give real help in the water rather than simply point from the boat. Second, the trip has a pleasant mix of activity and rest: you get snorkeling, coastal views, snacks, and time to swim or lie on the beach.

The main consideration is transport. Hotel pickup is not included, and Nea Makri is outside central Athens, so you need to arrange your own way to Frinis 20. Also, the boat portion depends on suitable weather, and snorkeling is not suitable for non-swimmers.

Key details before you book

• Two snorkeling stops: Explore separate spots around Marathon Cape, with an instructor showing you where to look for sea life.
• A small group of up to seven: This keeps the outing personal and makes it easier to ask questions or get help with the mask and fins.
• Beach time at Schinias Bay: Swim in clear water or stretch out on the golden sand instead of staying aboard the whole time.
• Dimitris leads the outing: He speaks English and French and is especially attentive to beginners and families.
• Snacks and media included: Bring only swimwear and a towel. Equipment, bottled water, juice or tea, biscuits or fruit, and photos and videos are provided.
• A half-day from Nea Makri: The activity lasts 4.5 hours and returns to the Kanelakis Diving Experiences center at Frinis 20.

Setting out from Nea Makri

The meeting point is Kanelakis Diving Experiences at Frinis 20 in Nea Makri. This is the place to arrive rather than a central Athens hotel, and the tour does not include hotel transfers. Check the route carefully before booking, especially if you are staying in central Athens or near the airport.

Once everyone is ready, the group boards a small motorboat. The ride itself is part of the fun. You feel the breeze, see the Attica coast from the water, and leave the built-up parts of the shore behind as the boat heads toward Marathon Cape.

The supplied equipment includes a mask and fins, and the instructor gives guidance before anyone enters the water. That matters if you have snorkeled only a few times. Dimitris has also helped beginners feel comfortable while allowing stronger swimmers to enjoy themselves without constant interruption.

The speedboat ride from the Marathon Beach area to the first coastal sites takes about 20 minutes. The published route also allows roughly 30 minutes for the cruise and scenery around Schinias Beach, so exact sailing times can vary with the route and conditions.

What makes Marathon Cape special

Marathon is one of the most famous names in ancient Greek history, and the coast gives Dimitris plenty to talk about as you move around the cape. The trip is not a formal archaeological tour, but the setting adds meaning to what might otherwise be a simple morning on the sea.

At Marathon Cape, you receive a short break and local snacks before or around the snorkeling portion. The exact order can change with sea conditions and the group, but the day is built around two water stops rather than one quick swim.

Under the surface, you might see sea urchins, sea cucumbers, starfish, fish, and octopus. Several people have also enjoyed watching Dimitris point out small creatures and explain what they are doing. One memorable encounter involved a baby octopus releasing ink, the sort of small, unscripted moment that makes a coastal outing feel more personal.

You should keep expectations realistic. This is snorkeling in the Aegean, not a tropical reef trip. The water can be wonderfully clear, and the sea life can be fascinating, but the underwater scenery will not match the coral reefs of the Pacific Islands. The best reason to book is the combination of accessible snorkeling, coastal scenery, and a guide who actively helps you notice what is there.

Snorkeling with Dimitris

Dimitris is the key part of this experience. He does not simply hand you equipment and wait on the boat. He explains how to use the mask and fins, joins the group in the water, and points out animals that are easy to miss when you are looking only for brightly colored fish.

That guidance is useful for every ability level. If you are new to snorkeling, you can get patient help with breathing through the mask and moving with fins. If you already know what you are doing, you can still ask about the animals, the coves, and the coastline.

The small group size helps here. With no more than seven participants, the instructor can keep an eye on the group and answer questions. A larger boat trip can leave you following a colored flag at a distance. This outing sounds much more hands-on, with enough room for a family, a couple, or a few friends to enjoy a relaxed pace.

You should still be comfortable in the water. The activity is not suitable for non-swimmers, and the minimum age is six. Children must be accompanied by an adult, and unaccompanied minors are not allowed. Parents should judge the outing by their child’s swimming ability, not simply by the minimum age.

The water stops are described as calm places, but no sea excursion can promise identical conditions every day. Wind can change the plan. In one case, strong wind prevented the boat portion, so the instructor moved the snorkeling to a shore location instead. The group still received equipment, snacks, water, and juice, and saw sea cucumbers and starfish. That is a useful sign of practical judgment, though you should understand that poor weather may lead to a changed route or cancellation.

Schinias Bay and the national park

After the Marathon Cape portion, the boat continues toward Schinias Beach. This area is part of Schinias National Park, a protected natural setting on the coast. The appeal here is less about a packed list of activities and more about room to breathe.

You can swim in the bay, sit on the golden sand, or simply enjoy the view from the boat. The beach stop gives you a break after the water time, which is welcome if you are traveling with children or if you prefer a gentle half-day rather than nonstop snorkeling.

Schinias Bay also provides a useful contrast to Marathon Cape. At the cape, you focus on sea life and the shape of the coves. At Schinias, you have more freedom to choose your pace. Some people will want another swim. Others will dry off, eat a biscuit or piece of fruit, and enjoy the sun.

Do not expect a completely private beach. The area is described as quiet and lightly used at times, but conditions can vary by date and season. The value is the protected setting and clear water, not a guarantee that you will have the entire shoreline to yourself.

The route includes a boat cruise, scenic views, and about 30 minutes connected with Schinias Beach. The whole experience lasts 4.5 hours, so this is a manageable addition to an Athens itinerary. It takes you beyond the city without consuming an entire day.

Snacks, equipment, and the small extras

The $90 price includes the practical items that can add up on a water outing. You receive:

• Snorkel equipment
• Bottled water
• Juice or tea
• Biscuits or fruit
• A guide and instructor
• Photos and videos from the trip

I especially like that photos and videos are included. Snorkeling trips often leave you choosing between holding a phone and enjoying the water. Here, you can focus on the experience and still have a record of the coast and the group.

The refreshments are simple, not a meal. Lunch is not included, so plan to eat before or after the activity. The snacks are best viewed as a useful mid-trip pause rather than a substitute for food.

You need to bring swimwear and a towel. The equipment is supplied, but the information does not mention personal items such as sunscreen, a change of clothes, or waterproof storage, so pack what you normally need for a beach outing. Keep valuables to a minimum.

Is $90 a fair price?

At $90 per person, this is not the cheapest way to reach a beach near Athens. You are paying for more than a boat transfer, though. The price covers 4.5 hours, a small group of up to seven, snorkeling equipment, an instructor in the water, refreshments, and photos and videos.

The guide support is where the value improves. A basic boat ride might get you to Schinias Bay, but it would not necessarily show you a sea cucumber under a rock, identify an octopus, help a novice with a mask, or adjust the plan when wind affects visibility.

The price makes the most sense if you want a guided coastal outing and would otherwise need to arrange equipment and transport yourself. It is less compelling if you only want to sit on a beach, or if you already have a car, snorkeling gear, and strong knowledge of the area.

For families and couples, the small group can justify the cost. You get a more personal experience than a large excursion boat, while the included refreshments keep the day straightforward. The free cancellation option up to 24 hours before departure and reserve-now, pay-later booking also make it easier to fit into a changing Athens schedule.

Getting there and planning your day

Because pickup and drop-off are not included, the most important planning job is reaching Frinis 20 in Nea Makri. Give yourself enough time to locate Kanelakis Diving Experiences and arrive ready for the group departure.

Think about the rest of your day before booking. After returning, you will be back at the same meeting point, not in central Athens. You may want to arrange lunch in the Nea Makri or Marathon area rather than rushing straight back into the city.

The trip is listed at 4.5 hours, but allow extra time around it for your own transport. Starting times depend on availability, so check the schedule before building in museum visits or airport plans.

Weather deserves attention. The boat trip runs only in favorable conditions. If poor weather causes cancellation, you receive the choice of another date or a full refund. Wind can also lead to a shore-based alternative, as long as the instructor considers it suitable.

Who will enjoy this outing most?

This is a good match for:

• Adults and children aged six and older who can swim
• Beginners who want help with equipment and water confidence
• Experienced snorkelers who enjoy learning about sea life
• Families looking for a calm, half-day coastal activity
• Couples wanting a break from Athens museums and ruins
• Small groups who prefer personal attention over a large boat

You may want something else if you are a non-swimmer, want scuba equipment and a scuba course, or expect a tropical reef filled with large fish. This is a relaxed snorkeling trip in the Aegean, with wildlife that rewards patience and careful looking.

It also suits people who care about the guide’s approach. Dimitris speaks English and French, shares facts about the creatures and local area, and has also added stories about Greek myths and important events connected with Marathon. The trip has a local feel without pretending to be a full history lesson.

The practical verdict

I would book this if you have at least half a day in Athens, can get to Nea Makri without trouble, and want a personal sea outing rather than another organized city tour. The strongest reasons are the small group, Dimitris’s hands-on help, the two snorkeling areas, and the chance to see creatures such as octopus, starfish, sea urchins, and sea cucumbers.

I would skip it if you cannot swim, dislike weather-dependent plans, or want a long uninterrupted snorkeling session. Some people may find the water time shorter than expected because the outing also includes boat cruising, beach time, and breaks.

For the right person, this is a pleasant way to see a quieter side of Attica. You get clear water, a sandy bay, local guidance, and enough free time to enjoy the coast without feeling rushed.

FAQ

Where does the snorkeling trip start?

The meeting point is Kanelakis Diving Experiences at Frinis 20 in Nea Makri. The tour does not include hotel pickup or drop-off.

How long does the activity last?

The experience lasts 4.5 hours. Starting times vary, so check availability when booking.

How many people are in the group?

The group is limited to seven participants.

What snorkeling equipment is included?

Snorkel equipment is included. The guide also provides instruction on how to use it.

What should I bring?

Bring swimwear and a towel. Bottled water, juice or tea, biscuits or fruit, and snorkeling equipment are provided.

Is the activity suitable for children?

Children must be at least six years old and accompanied by an adult. Unaccompanied minors are not allowed.

Can non-swimmers join?

No. The activity is not suitable for non-swimmers.

What happens if the weather is bad?

The trip depends on favorable weather. If poor weather causes cancellation, you can choose another date or receive a full refund. A shore-based snorkeling alternative may also be possible when strong wind prevents the boat trip.