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Experience Rhodes from beneath the waves with a 45-minute submarine cruise featuring underwater views, fish feeding, and scenic harbor sights for just $16.94.

The Rhodes Town: Submarine Cruise with Underwater Views offers a unique way to explore Rhodes’ coastal beauty without getting wet. For $16.94 per person, travelers enjoy a 45-minute guided journey starting from Mandraki Harbor. The tour features panoramic underwater windows and the chance to watch a diver feed the multi-colored fish right outside the vessel. It’s a lively, family-friendly activity that combines scenic views of Rhodes with a glimpse of marine life, all in air-conditioned comfort.
While the submarine remains above sea level at all times, its hull extends 2.5 meters below the surface, providing a stable platform for underwater exploration. This tour suits those seeking an affordable, engaging experience with easy access, especially families and individuals who appreciate a blend of sightseeing and marine encounters. A key consideration is that the 18:30 cruise does not include a diving show, so timing may affect what you see.
You can check availability for your dates here:Enjoy being on the water? Here are other boat experiences we've looked into in Rhodes
The tour begins at Mandraki Harbor, located centrally on Rhodes Island. The meeting point is opposite the Bank of Greece building, making it easy to find. The boat departs from this lively port, which offers scenic views of Rhodes’ coastline and historic landmarks. The location is convenient for travelers staying nearby or exploring the Old Town before the cruise.
Once aboard the Poseidon Submarine, the crew welcomes guests and prepares for the journey. The short 10-minute cruise from Mandraki to the Palace of the Grand Master provides a gentle introduction to Rhodes’ harbor sights. This short ride is perfect for setting the scene before the main underwater experience.

During the 10-minute cruise to the main sightseeing spots, travelers enjoy views of Rhodes Old Town walls, Elli Beach, and the Tourist Harbor. The boat glides past the bustling port, giving a fresh perspective on the city from the water. This segment offers good photo opportunities of the shoreline, with a relaxing atmosphere as the crew provides commentary via the onboard audio guide.
This part of the trip also marks the transition from above water to the underwater observation phase. The vessel stays above sea level at all times, but the hull’s underwater observatory allows for a 360° panoramic look at the sea ecosystems of the Aegean Sea.

Next, the cruise moves on for another 10-minute passage to the Palace of the Grand Master of the Knights of Rhodes. From the water, this historic fortress appears imposing and picturesque. Travelers can enjoy excellent views of this medieval site, which is a highlight of Rhodes’ historical landscape.
The boat then continues towards the Old Town, with a 5-minute scenic cruise. This brief segment offers a unique vantage point of the ancient walls and narrow streets, seen from beneath the water and along the shoreline.
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The heart of the tour happens once the submarine reaches its underwater observatory. The hull extends 2.5 meters below the surface, creating a stable environment for viewing. Guests sit comfortably in an air-conditioned cabin, which features large windows providing a 360° panorama of the underwater world.
A diver enters the water to feed the fish, attracting hundreds of multi-colored species right outside the window. This feeding display is highly praised for its visual appeal, with spectators capturing photos and videos of the vibrant fish swarm. The guides ensure everyone gets a good view and often share insights about the marine ecosystems.
While the 18:30 cruise does not include the diver feeding fish**, other times do, so check availability if this is a priority. The experience is lively, and the underwater scenery remains visible even if the diver is absent.
From the submarine, the Old Town walls and historic harbor are visible from a new perspective. The viewing windows reveal details often missed from land, making it a wonderful way to appreciate Rhodes’ medieval architecture and its waterfront.
This section of the cruise is especially enjoyable for photography, as you can capture the castle-like fortifications and narrow streets from below the surface. The scenic views include the walls of Old Town, the port, and the Elli Beach, providing a well-rounded visual summary of Rhodes’ coastal charm.

One of the tour’s highlights is the diver feeding the fish right outside the windows. The diver, who is experienced and friendly, often videos underwater scenes and uploads photos for guests to keep as souvenirs. This feeding activity draws in a large number of multi-colored fish, creating a vibrant, moving spectacle.
Reviewers frequently mention how spectacular and lively this fish feeding is, making it the most memorable part of the experience. The diver’s presence adds an extra layer of entertainment, especially when they engage with viewers and share fun facts about marine life.

Passengers can choose to stay in the air-conditioned cabin or walk on the deck to enjoy the fresh ocean breeze. The deck offers unobstructed views of Rhodes’ coastline and harbor, perfect for photos or simply soaking in the scenery.
The breeze and water create a relaxing atmosphere, especially during warm days. The crew is attentive, and the bar onboard provides drinks, although personal expenses are not included in the tour price.

The meeting point is at Mandraki port, with easy access for travelers arriving by car, foot, or public transport. The activity lasts for 45 minutes, with multiple start times available depending on the day, so checking availability is recommended. The English commentary helps explain what you’re seeing, with German also available.
The tour is wheelchair accessible, and guests with mobility needs will find it convenient to participate. The crew is praised for their friendly service and professional attitude, helping guests feel comfortable throughout.
This cruise is ideal for families, couples, and solo travelers interested in a short, affordable activity that combines scenic harbor views with a fun underwater experience. It’s particularly well-suited for those seeking a quick, engaging outing with photo opportunities and a marine life show. Since it’s a relaxed, 45-minute trip, it fits easily into a day of exploring Rhodes.
It’s a family-friendly activity with a good balance of sightseeing and entertainment. The diver feeding the fish and the underwater windows make it especially appealing to children and nature lovers.
Operated by Poseidon Submarine, this tour offers a simple booking process with options to reserve now and pay later. Guests can cancel up to 24 hours in advance for a full refund. The activity’s price point and short duration make it a value-packed choice for travelers seeking a light, fun experience in Rhodes.
This 45-minute submarine cruise provides a cost-effective way to see Rhodes’ coastal sights and marine life. The panoramic underwater windows and the fish feeding show make it a lively experience. It suits those who want to combine sightseeing with a bit of underwater excitement without long or strenuous activities.
While the 18:30 cruise might not feature the diver feeding fish, other times do, so timing can influence the experience. The easy access and friendly crew ensure a comfortable outing, especially for families or travelers with limited mobility.
The Rhodes Town submarine experience offers great value, stunning views, and memorable moments for a wide range of visitors. It’s an engaging, family-friendly activity that enriches any Rhodes itinerary.
“The activity was well paced, with the extra touches like the scuba diver really making the experience.”
How long is the submarine cruise?
The cruise lasts for 45 minutes, including sightseeing and underwater views.
Where does the tour start?
The activity begins at Mandraki port, opposite the Bank of Greece building.
Does the cruise include a diving show?
The 18:30 cruise does not include a diving show, but other times may feature the diver feeding the fish.
What can I see during the cruise?
You’ll see Rhodes Old Town walls, Elli Beach, Mandraki Harbor, and marine life through underwater windows.
Is the tour suitable for wheelchair users?
Yes, the tour is wheelchair accessible.
Can I walk on the deck during the cruise?
Absolutely, the deck offers ocean breezes and great views if you prefer to be outside.
Are drinks available onboard?
Yes, there is an access to a bar onboard, but personal expenses for drinks are not included.
What languages are available for the audio guide?
The audio guide is provided in English and German.
How far in advance should I book?
It’s recommended to reserve early, as availability varies, and you can cancel up to 24 hours before the cruise.