Reviewed · ISLAND DAY TRIPS FROM ATHENS
Private Boat Day-Trip to Angistri, Aegina and Moni
The best part of this day on the Saronic Gulf is the freedom to trade crowded beaches for quiet coves that you can reach only by boat. You can swim near the Atlantis shipwreck, stop at a sheltered bay on Agistri, eat lunch in the fishing village of Perdika, and finish among the clear waters and wildlife of Moni.
I like the private format, especially for families or friends who want time in the water without sharing the boat with strangers. I also like the practical comforts: sea scooters, snorkeling gear, water toys, snacks, drinks, WiFi, and a crew that can adjust the pace. The main consideration is cost. The listed price is $1,806.17 for up to 11 people, plus a €450 fuel surcharge, so this makes much better financial sense for a full group than for two or three people.
Key points to know before you book

- A full nine-hour private cruise: Your group has the boat to itself, with a start time that can be adjusted as long as you return by 7:00 p.m.
- Four very different stops: Expect a shipwreck area near Dorousa, a quiet Agistri cove, lunch in Perdika, and a nature-focused stop at Moni.
- Strong swimming setup: Snorkeling equipment, sea scooters, water toys, and towels are available, with calm bays chosen when conditions allow.
- Lunch is not included: Perdika is the planned meal stop, but the food cost is separate. The crew can help arrange a restaurant.
- Useful onboard extras: Water, soft drinks, alcoholic beverages, snacks, WiFi, and crew service are included.
- Weather matters: The cruise requires good conditions. If poor weather cancels it, you can choose another date or receive a full refund.
Why this private Saronic Gulf cruise works

This is not a standard island-hopping ferry day. You are paying for a boat, skipper, crew, and a flexible route rather than a fixed seat on public transport. That difference matters in the Saronic Gulf, where the best swimming places are often small coves rather than the main ports.
The day lasts about nine hours. The stated meeting point is Agios Kosmas Marina on Leof. Poseidonos in Elliniko, south of central Athens. The trip begins at 10:00 a.m., though the start time can be adjusted. You still need to finish by 7:00 p.m., so flexibility means shifting the schedule, not extending the day into the evening.
The boat carries up to 11 people privately. That gives you room to plan around children, strong swimmers, sun-seekers, or anyone who would rather sit back with a drink. The crew can be attentive without taking over your day. Apollo is named as one captain, while Vasilis and Vasileios are also associated with planning and hosting trips.
I would treat the captain as your local guide on the water. Ask about the best swimming conditions, how long to spend at each stop, and whether the sea is suitable for the water toys. The route is designed to be adjustable, so a good conversation at the start can make the day feel personal rather than mechanically timed.
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Dorousa and the Atlantis shipwreck
The first stop is the islet of Dorousa, also called Dorousa, opposite Aponisos and about half a nautical mile away. It belongs administratively to Agistri, but it feels separate from the main island, with quiet water and little development.
The main attraction here is the Atlantis shipwreck. The boat spends about 2 hours and 15 minutes in this area, giving you time to explore the site from the water and use the available snorkeling equipment. The wreck adds a sense of purpose to the first swim stop. You are not simply stopping at a random patch of sea, but visiting a named underwater attraction.
Conditions will shape how much you can see. The supplied details do not promise a particular visibility level or say that every passenger will enter the water, so keep expectations sensible. The captain decides what is safe on the day. If the sea is calm, this can be one of the most memorable parts of the cruise. If wind or visibility is poor, the value is more about the setting and the swim than a close look at the wreck.
The 2-hour-15-minute allocation is generous. You are unlikely to feel hurried, though people who do not enjoy swimming or snorkeling may find the first stop long. Bring a book, enjoy the views from the boat, or ask the crew how the timing can be adjusted.
Agistri’s sheltered Megali Bali cove

The next stop takes you to Megali Bali beach in the Limenaria area of Agistri. This is a small bay framed by rugged cliffs and thick greenery, and it is accessible by boat. That access is the point. You are not arriving at a large resort beach with rows of facilities, but at a quieter anchorage chosen for its protection from the wind.
The boat spends about 1 hour and 45 minutes here. The bay is described as sheltered, which should make it a good place for a relaxed swim when the weather cooperates. You can use the snorkeling equipment, sea scooters, and water toys, or simply float and enjoy the quiet.
I like the contrast with Dorousa. The first stop is built around a shipwreck and underwater interest. Agistri is more about the cove itself and the pleasure of staying put. A private boat gives you the luxury of not having to leave the moment you have found comfortable water.
There is a practical limit, though. A small cove can feel less appealing if several boats arrive at once, and the trip does not promise that you will have the bay entirely to yourself. The private nature of your boat still gives you more control than a large group excursion, but the coastline is shared.
Lunch and a walk in Perdika

Perdika is the most substantial shore stop. This small fishing village sits on a hill above the Saronic Gulf and has a traditional style with some Cycladic touches. Its position gives you views over the water, while its seafood restaurants provide a break from swimming.
The scheduled time here is about 2 hours and 30 minutes. That is enough for a proper lunch and some time to look around, rather than a rushed stop for takeaway food. Lunch is not included in the tour price, so plan for that extra expense. The crew can help arrange a reservation, an especially useful service if your group has particular timing needs.
This is where the day gains a more local feel. You get to step off the boat, sit at a restaurant, and eat seafood in a working village rather than spending every hour afloat. I would use the time to slow down. The cruise already gives you several swimming opportunities, so you do not need to treat Perdika as another race to the water.
The stop may be less appealing if you want a day made entirely of beaches. You will need to pay for your meal, and the village portion depends on the restaurant you choose. Still, the break adds variety and makes the nine-hour schedule feel better balanced.
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Moni Island for clear water and wildlife

The final stop is Moni, a small island beside Aegina with no permanent residents and no buildings. It is described as a nature-focused place with clear water, open beaches, and opportunities for snorkeling, drinks, and walking.
The boat spends about 2 hours and 30 minutes here, usually in the afternoon. That timing makes sense. After the village lunch, you can return to the water for a final swim before heading back to Athens.
Moni is also known for wildlife. You might encounter deer, Kri-Kri goats, squirrels, peacocks, and falcons. The animals are part of the island’s appeal, but you should not treat a sighting as guaranteed. This is a natural setting, not a zoo, and the creatures may keep their distance.
The island suits groups with mixed interests. Strong swimmers can snorkel or use the sea scooters. Others can have a drink, sit on the boat, or take a short walk. The lack of buildings gives Moni a quieter feel than Perdika, but it also means you should not expect a full range of beach services.
What is included on the boat

The included extras are a real part of the value, especially for families. You receive bottled water, soda, alcoholic beverages, and snacks, along with WiFi. Snorkeling equipment, water toys, and sea scooters are also provided.
The available details do not list every type of toy or specify how many sea scooters are onboard, so I would ask before booking if a particular item matters to your group. Still, the package removes several small hassles. You do not need to organize every drink, bring your own mask and snorkel, or find entertainment for children between swims.
The boat has been described as clean, modern, comfortable, and well maintained. Details from the hosted trips include plush towels, fruit, a charcuterie board, Greek rosé wine, and drinks for children. These extras are not presented as a formal menu, so I would not book based on a precise food selection. They do show the kind of service the crew aims to provide.
The crew’s role is important here. Apollo is praised for being polite and professional, while Vasilis and Vasileios are associated with careful planning, lunch arrangements, and flexible routing. One family also received hotel pickup and drop-off, but that is not listed among the standard inclusions in the supplied tour details. Ask directly if you need a transfer.
Is the $1,806.17 price good value?

The price is $1,806.17 per group of up to 11, before the €450 fuel surcharge. That makes the base price about $164 per person for a full group, though the fuel fee changes the final calculation and the dollar-euro exchange rate will vary.
For 10 or 11 people, the private format can be reasonable. You are sharing the cost of the boat and crew across a large group while receiving a full day, multiple stops, equipment, drinks, and snacks. For a smaller party, the total becomes much harder to justify unless privacy and comfort are your main priorities.
You also need to budget for lunch in Perdika. The food is separate, as is any transport you arrange to the marina unless the operator confirms a transfer for your booking.
I would compare this with the alternatives you are considering. A public ferry and separate beach visits will cost less, but they will not give you direct access to the small coves, the same flexible timing, or onboard equipment and service. If your goal is the lowest-cost way to see the islands, this is not it. If your goal is a private day on the water with a group, the calculation looks better.
Who will enjoy this day most?

This trip is a good fit for families, couples traveling with friends, and groups that do not all want the same kind of day. Swimmers can stay active, while others can rest onboard, enjoy snacks, or take a drink at the beach.
It also suits people who value a clean, comfortable boat and attentive service. The crew can help balance swimming, lunch, sightseeing, and downtime. The private setup is especially useful if you have children, since you do not have to match the pace of a larger group.
You should think twice if you dislike long hours on the water, do not enjoy swimming, or want a detailed historical tour of Aegina. The focus here is coastal scenery, water time, food, and a relaxed route. The schedule includes Perdika, but it does not describe a long cultural visit to Aegina town or its ancient sites.
Most people can participate, and service animals are allowed. The meeting point is near public transportation. Since the boat day depends on good weather, keep your wider Athens plans flexible if you book this early.
Booking timing, weather, and cancellation
This tour is often booked well ahead, with an average booking time of about 75 days. That is worth noting if you are visiting Athens during a busy season or need a specific date for a large group.
You can cancel up to 24 hours before the start for a full refund. Changes made within 24 hours are not accepted, and late cancellations are not refunded. If poor weather cancels the trip, you can choose another date or receive a full refund.
Because the route is designed around swimming and open-water travel, weather is not a minor detail. Ask about the forecast before departure and bring sun protection, swimwear, and anything you need for a full day outside. The supplied details confirm towels and equipment on some hosted trips, but I would still confirm what is included for your specific booking.
Should you book the Agistri, Aegina, and Moni boat trip?
Book it if you have a group large enough to share the cost and want a private day with real flexibility. The strongest reasons are the range of stops, the calm swimming areas, the Atlantis shipwreck, Moni’s wildlife, and the useful equipment and refreshments onboard.
I would be more cautious if your group is small or price-sensitive. The €450 fuel surcharge and separate lunch can push the final cost well beyond the headline figure. Also, this is a water-and-coast day, not a full sightseeing tour of Aegina.
For the right group, the private format is the main reward. You can ask the captain to slow down, stay longer in a good cove, arrange lunch in Perdika, or make the final stop at Moni your quiet finish to the day. That kind of control is what makes this cruise worth considering.
FAQ
Where does the boat trip start?
The meeting point is Agios Kosmas Marina, Leof. Poseidonos 18, Elliniko 167 77, Greece. The tour ends back at the same meeting point.
What time does the trip start?
The listed start time is 10:00 a.m. The trip can start at another time chosen by the customer, but it must finish by 7:00 p.m.
How long is the boat trip?
The experience lasts about nine hours.
How many people can join the private boat?
The private booking is for up to 11 people, and only your group participates.
Is the fuel charge included?
No. A fuel surcharge of €450 per booking is not included in the listed price.
Is lunch included?
No. Lunch in Perdika is not included in the tour price. The crew can help arrange a restaurant.
What drinks and food are included?
The tour includes bottled water, soda, alcoholic beverages, and snacks. Additional hosted-trip details include fruit and a charcuterie board, but a fixed menu is not specified.
Is snorkeling equipment provided?
Yes. Snorkeling equipment is included, along with sea scooters and water toys.
Can the trip be canceled because of weather?
Yes. The experience requires good weather. If poor weather causes cancellation, you can choose another date or receive a full refund.
Can I cancel for a full refund?
Yes, if you cancel at least 24 hours before the experience start time. Cancellations made less than 24 hours before departure are not refunded.
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