Hop-on, hop-off on land, then a glass-bottom view. This Rhodes combo mixes sightseeing and sea-life viewing in one smooth day, with a double-decker bus plus the Poseidon Submarine leaving from Mandraki Harbor.

Two things I like a lot are the freedom of getting off at major Rhodes City stops, and the fact that the submarine ride is built around seeing fish up close through underwater windows. One consideration: the bus audio and some headsets can be hit or miss, and the buses do not feel fast between stops, so you have to plan your photo time.

Key Takeaways Before You Go

• Poseidon Submarine stays mostly above water, with an underwater observatory about 2.5 meters below the surface.
• Old Town views on both sides of the experience, from the bus route and again from the submarine deck.
• 12 bus stations cover the historic core, squares, ports, and a stop near the aquarium.
• Audio guides are included, but some headsets/radios may fail, so sit where you can switch seats if needed.
• The “fish feeding” moment is a highlight, helped along by very clear water and a scuba-equipped crew member.
• Free underwater photos from the diver add value, and there is a bar aboard the submarine (drinks not included).

Rhodes City Gets Easier When You Start With the Bus

I like starting here because Rhodes City can feel like a maze until you have a basic map in your head. The hop-on hop-off format lets you ride the double-decker bus through the most important areas first, then return later when you know what you want to see up close.

The route is built around practical stops, not random ones. You’ll pass the hillside viewpoint area at Acropolis of Rhodes, Monte Smith, move through port zones like San Francisco, New Marina, and Tourist Harbor, then land right at Old Town of Rhodes and the core city points like Rhodes City Center and Town Hall. From there, you keep sliding toward the sea with stops such as Aquarium, Rhodes Horizon (Kato Petres), and Grand Hotel, West beachside.

Mandraki Harbor Check-in and Boarding the Poseidon Submarine

Your submarine experience begins at Mandraki Harbor, which sits in the center of Rhodes Island. This is also where the busiest activity energy is, so if you’re arriving during peak tourist hours, give yourself extra time.

One small snag to plan for: the meeting area can be chaotic, and the connection between the bus and the submarine kiosk might not be obvious at first. I’d rather arrive early and confirm you’re at the right counter than lose time later with everyone else.

Once you board, the ship’s layout is part of the fun. The Poseidon Submarine remains above sea level at all times, while the hull includes an underwater observatory window about 2.5 meters below the surface. You can look through your own personal viewing window for marine life, and you can also leave the cabin to walk on the deck at any time for scenic views.

What You See Underwater From the Observatory Window

If you’ve ever wished a submarine ride came with the kind of close-up access you get at a great aquarium, this is the closest match in Rhodes. You’re not getting a full “inside submarine” experience, but you are getting clear, realistic viewing through the underwater observatory.

The water can be extremely clear, which makes a difference. When you can actually see the sea floor and fish patterns well, the whole ride feels worth it even if you’re not a marine-life superfan. A crew member also feeds fish using scuba gear, which pulls more movement into the viewing area and gives you that watch-for-a-moment payoff.

On top of that, you get the best of both worlds visually. From the deck, you can spot Rhodes landmarks like the Old Town walls and the windmills, with calm sea views around you. It’s a rare sighting rhythm: look up, then look down, then look up again.

Hop-on Hop-off Stops That Actually Help You Plan Rhodes

The bus stops are not just there for convenience. They help you build a route through Rhodes City that makes sense, whether you’re a history-focused walker or you mostly want great viewpoints and photo angles.

Acropolis of Rhodes, Monte Smith

This is your “see the city from above” moment. In at least one experience I’d call it the best payoff for people who love panoramic views. Expect a hillside angle on Rhodes Town, which makes navigation easier when you later wander the Old Town streets.

San Francisco, New Marina, and Tourist Harbor

These are port-adjacent stops, useful if you want a break from foot traffic and a different angle on Rhodes. They’re also helpful if you’re timing your day so you can move between sightseeing areas without committing to a long walk.

Old Town of Rhodes

This is where the medieval core vibe shows up on the bus. Even if you don’t get off immediately, having this stop on your route matters because it anchors where most people want to spend time.

Rhodes City Center, Town Hall, Psaropoula Square, Diagoras Statue

These are practical “center of town” stops. If you want the most straightforward Rhodes City walking loop, this part of the route helps you connect squares and landmarks without guessing. It also pairs nicely with a plan like ride the bus first, then hop off for a longer roam in the center later.

Aquarium, Rhodes Horizon (Kato Petres), Grand Hotel, West beachside

This is your “finish with sea air” section. The aquarium stop is especially valuable if you’re traveling with kids, since the submarine already feels kid-friendly and the aquarium adds a second dose of marine viewing on land. The beachside and horizon stops also work well for relaxation when your legs are starting to grumble.

Audio Guides, Headphones, and Wi-Fi: Worth Using, Worth Checking

Audio guidance is included, which is a big help on a one-day schedule. The bus includes an audio guide in nine languages: Greek, English, German, Italian, Spanish, French, Russian, Turkish, and Hebrew. The submarine cruise includes an audio guide in English.

Now the honest part: audio can be a little unreliable. There have been experiences where bus commentary didn’t come through well, and instances where headphone sockets failed. If you sit down and your audio seems off, don’t just assume it’s you. Move if there’s an option, and be ready to enjoy the ride even without perfect narration.

Two other practical extras: there’s free Wi-Fi, and you also get free underwater photos from the diver. Those details matter because they turn a short excursion into a keepsake, without you having to pay extra for photos.

Price and Value: Two Experiences, One Ticket Day

At about $41 per person for a 1-day combo, this ticket is built around one goal: saving time. You’re paying for both a hop-on hop-off bus sightseeing loop and a submarine cruise with marine-life viewing. For many people, that’s the real value, because you’re not trying to coordinate separate tickets and separate transportation on a tight schedule.

The best value shows up if you do this like a smart sequence:

• Use the bus to get oriented around Rhodes City and identify where you want to linger.
• Save the submarine for when you want a different kind of “wow” moment, especially if the water is clear that day.

If you only want one of the two parts, then it may feel like a bundle you did not need. But as a combined day plan, it’s a strong way to see more without turning your trip into a logistics project.

Who This Rhodes Combo Suits Best (and Who Might Not)

This works well for:

• Families with kids who will get excited about fish viewing and deck views.
• First-timers in Rhodes City who need fast orientation and a logical loop through Old Town and central landmarks.
• Couples or solo travelers who want education plus fun, without spending half the day in transit.

It may not be ideal if:

• You want long, spontaneous stops at every interesting point. The bus runs on a schedule, and there’s a real wait feeling between departures, so you have to plan get-off moments.
• You are very sensitive to audio quality. Even though audio guides are included, headsets and commentary can be inconsistent in practice.

Should You Book the Rhodes Hop-on Hop-off Bus and Submarine Tour?

I’d book this if your priority is a one-day hit list: Old Town area orientation plus a memorable underwater viewing experience. The submarine part is often the standout, mainly because the underwater observatory window plus the fish-feeding moment makes the ride feel more than just a quick novelty.

If you do book it, go in with the right expectations:

• The submarine is not an all-day “inside the glass bubble” tour, you can move and you’ll still see a lot from above.
• Bring patience for bus timing, and treat the bus as your routing tool more than a rapid, hop-every-minute transport system.
• When you sit, do a quick audio check early, so you catch any dead headsets right away.

FAQ

Where is the meeting point for the submarine portion?

The submarine departs from Mandraki Harbor. You can meet there directly or start from any of the 12 bus stops for the bus portion.

How many bus stops are included in the hop-on hop-off tour?

The bus route includes 12 bus stations.

How long is the ticket valid?

It is valid for 1 day, starting from the first time you activate it.

Can I use the bus tour and submarine cruise on different days?

Yes. You can use the bus tour and submarine cruise on the same day or different days.

What languages are available for the bus audio guide?

The bus audio guide is available in Greek, English, German, Italian, Spanish, French, Russian, Turkish, and Hebrew.

Is there an audio guide on the submarine tour?

Yes, the submarine cruise includes an audio guide in English.

Does the submarine stay above water?

Yes. The submarine remains above sea level at all times, while the underwater observatory is about 2.5 meters below the surface.

What’s included with the submarine besides the cruise?

You get a submarine cruise with an audio guide, and you also receive free underwater photos from the diver. A bar is onboard with drinks not included.

Is Wi-Fi included?

Yes. Free Wi-Fi is included.

What is the approximate price and duration for the experience?

The price is about $41 per person and the experience is listed as 1 day.