Poseidon Submarine Catamaran Lunch Cruise: Small-Group Swim Day from Rhodes Town
Quick answer
Poseidon Submarine runs a 6-hour catamaran from Mandraki at 10:00 for 67 USD, with a buffet lunch, unlimited drinks and 3 swim stops.
The boat carries at most 24 guests, it is not suitable for mobility impairments, and it rates 4.8/5 from 2,560+ reviews on GetYourGuide.
Poseidon Submarine
All-Inclusive Catamaran Cruise with Lunch and Drinks
4.8 (2,560) · from $67
The poseidon submarine catamaran lunch cruise is a small-group catamaran day on Rhodes' east coast: a buffet lunch and unlimited drinks are part of the 67 USD fare (about €60). Poseidon Submarine caps each boat at 24 guests plus 3 crew and drops anchor for every swim, so the day is more about the water than about sightseeing.
The detail that changes the decision is the stop order. The description lists Ladiko Bay, Anthony Quinn Bay and Kalithea Springs in that order, while the itinerary panel starts with Anthony Quinn Bay and makes Afandou Beach optional. Treat the order as the crew's call on the day, and ask at boarding.
| Operator | Poseidon Submarine (GetYourGuide activity provider), sold at the Catamaran Cruises Rhodes kiosk |
|---|---|
| Boat | Luxury sailing catamaran, maximum 24 guests and 3 crew; three boat options at checkout |
| Price | from 67 USD per adult (about €60 at the 2026-10-16 rate); the listing crosses out 135 USD |
| Duration | 6 hours as listed |
| Departure | 10:00; boarding starts 30 minutes earlier |
| Start point | Catamaran Cruises Rhodes kiosk, Mandraki Harbor |
| Stops | Ladiko Bay, Anthony Quinn Bay, Kalithea Springs; Afandou Beach optional |
| Food and drink | Buffet lunch, snack, fruit, unlimited soft drinks and water; wine and beer from 12:00 |
| Gear | Snorkel kit, noodles, life jackets, outdoor shower, indoor toilets |
| Languages | English and Greek |
| Cancellation | Free until a day before; reserve now, pay later |
| Rating | 4.8/5 from 2,560+ reviews on GetYourGuide |
What is the poseidon submarine catamaran lunch cruise and what do you do?
It is a six-hour swimming cruise on a small catamaran from Mandraki to three bays, with lunch served on board between swims. Poseidon Submarine sells it as the quieter alternative to the big excursion boats, and the 4.8 rating suggests the small numbers deliver.
- Ladiko Bay: about an hour to swim and snorkel, according to the description.
- Anthony Quinn Bay: about an hour; the listing calls it one of the most iconic spots on Rhodes.
- Kalithea Springs: 45 to 60 minutes among the rocks and sea caves.
- Afandou Beach: an optional lunch and swim stop shown in the itinerary panel.
Nets and sunbeds on the deck are for resting between swims, and an outdoor shower rinses the salt.
Where do you board and who picks you up?
The crew waits at a kiosk run under the Catamaran Cruises Rhodes name inside Mandraki Harbor, here: Mandraki Harbor kiosk. Boarding opens at 09:30 for the 10:00 departure.
| Rule | Detail |
|---|---|
| Boarding window | Opens 30 minutes before the 10:00 departure |
| Missed the boat | Another date if space allows, 25 EUR per person |
| Pickup | The itinerary lists 37 drop-off points, mostly hotels and shops in the Ialysos area |
| Anchor stops | The boat stays at anchor; you swim to shore |
I did not find a public fare for the bus to Mandraki, so I do not quote one. Use the walking link to the kiosk from your hotel to see the time.
What is the route, stop by stop?
The itinerary shows a 70-minute opening sail and four swim stops of about an hour each, with short sails between them. Not all stops run on every day, since the listing says "3 or 4 beaches".
| Stop | Time | What happens |
|---|---|---|
| Anthony Quinn Bay | About 1 h | Swim and snorkel in emerald water |
| Afandou Beach (optional) | About 1 h | Lunch, swim, snorkel |
| Ladiko Bay | About 1 h | Lunch, swim, snorkel |
| Kalithea Springs | About 1 h (45-60 min in text) | Swim, snorkel, sea caves |
Ladiko Bay, Anthony Quinn Bay and Kalithea Springs are the three places named in both the text and the panel. Walking times do not apply, since you swim ashore.
What is on board and what is included?
This is the all-inclusive end of the Rhodes range: lunch, soft drinks and water, snorkel kit and showers are listed. Wine and beer are unlimited from 12:00.
| Item | Detail |
|---|---|
| Lunch buffet | Grilled chicken, pasta, potato, Greek and green salads, tzatziki, hummus, aubergine salad, olives, feta and local bread |
| Snacks | A tortilla at breakfast time and a cup of seasonal fruit |
| Drinks | Soft drinks, juice and water; wine and beer from noon |
| Gear | Masks, noodles, life jackets |
| Facilities | Outdoor shower, indoor toilets, sunbeds and nets |
The crew can stop serving alcohol to guests who have had too much. One review summary mentions that clearer information on portions and the alcohol selection would help, so ask what is poured.
Is the poseidon submarine catamaran lunch cruise worth it versus the other swimming boats?
It is the best fit if you want food and drinks sorted and a small boat; it is not the cheapest swimming trip in Rhodes. At 67 USD for six hours it costs roughly the same as the shorter RIB trip.
| Trip | Price | Length | Rating | Angle |
|---|---|---|---|---|
| This trip: Poseidon Submarine | 67 USD | 6 h | 4.8 (2,560) | Small catamaran, lunch, unlimited drinks |
| Romantika caique cruise | 81 USD | 6 h | 4.7 (629) | Wooden caique, open bar, assigned seats |
| Adventure RIB to Anthony Quinn | 62 USD | 2.5 h | 4.8 (521) | Fast RIB, short trip |
| Skevos fishing trip | 70 USD | 5 h | 4.8 (482) | Fishing, snorkelling and BBQ |
My pick: this catamaran for a relaxed day with a group of friends or a couple, the Romantika caique for music and cocktails. The Rhodes boat tours hub and the snorkelling tours page list more.
Is 67 USD fair for a six-hour all-inclusive day?
At about $11 an hour, it sits close to the city median of $12.33 an hour once food and drink are counted. The listing crosses out 135 USD, but that is a reference price: judge the fare you can book, not the discount.
| Item | Included here | On a bare boat trip |
|---|---|---|
| Lunch | Yes, buffet | Buy ashore or bring |
| Drinks | Soft drinks, water; wine and beer from noon | Pay per drink |
| Snorkel kit | Yes | Rent or bring |
| Group size | Max 24 | Often much larger |
That is why I treat the boat as a package rather than a ride: if you would have spent 30 EUR or more on lunch and drinks anyway, the sums favour the catamaran. If you do not drink alcohol and eat little at midday, a cheaper swim trip is better value.
When is the best time to go?
June to September gives the hottest, driest days; the sea was 24.8 °C on 17 October 2026. Season limit: for sailings in spring and in October the operator warns that an under-booked boat can be merged, which would put you on a different vessel of the fleet.
| Month | Avg high °C (2025 / 2015-24) | Rain days (2015-24) | Windy days 2025 | On the boat |
|---|---|---|---|---|
| Jan | 17 / 15 | 13.6 | 0 | Cold and wet; few trips run, check first |
| Feb | 14 / 16 | 9.0 | 5 | Cold; take a jacket |
| Mar | 20 / 17 | 8.4 | 5 | Cool wind on deck; jacket |
| Apr | 20 / 21 | 5.2 | 4 | Mild, sea still cool |
| May | 25 / 25 | 3.7 | 5 | Warm; first comfortable swims |
| Jun | 33 / 29 | 1.2 | 0 | Hot; shade and sunscreen |
| Jul | 35 / 33 | 0.4 | 1 | Hottest; shade and water |
| Aug | 33 / 33 | 0.2 | 5 | Hot; shade and water |
| Sep | 31 / 30 | 1.5 | 1 | Warm sea, best balance |
| Oct | 25 / 26 | 3.4 | 2 | Warm days, windier on fast boats |
| Nov | 23 / 21 | 7.4 | 2 | Cooler; rain more likely |
| Dec | 18 / 17 | 9.8 | 7 | Cool and wet; jacket and rain gear |
The captain may change the route or swim stops for weather or sea conditions. Check the forecast with the Hellenic National Meteorological Service (HNMS); the Hellenic Coast Guard (hcg.gr) can halt sailings in strong winds. The listing gives no winter schedule, so ask the operator for dates from November to March.
7 million+ passengers used Rhodes Diagoras Airport in 2025, 2.5% more than in 2024, which is why morning boats fill fast.
What should you bring and ask before sailing?
On the poseidon submarine catamaran lunch cruise you spend most of the day wet, so pack for water first and land second.
- Swimwear and a towel: the boat stays at anchor, so you swim to every beach.
- Hat, sunglasses and sunscreen: the listing recommends all three, and the sunbeds have little shade at midday.
- A dry layer: the outdoor shower and breeze can chill you after the last swim.
- Questions for the crew: which boat you are on, the stop order, and the wine and beer on offer.
Booking the poseidon submarine catamaran lunch day in the shoulder months (April, May, October) also means asking whether the sailing is confirmed by the minimum guest count.
What do passengers say?
For the Poseidon Submarine catamaran, the 10 reviews I read are all five-star, so I used the AI summary and sub-scores (guide 4.8, transport 4.9, value 4.7) for complaints.
- Crew: friendly and welcoming; repeated in the highlights.
- Space: comfortable seating and plenty of room on a small boat.
- Food: reviewers call the lunch very good, one the best they have had on a boat trip.
- Gap: the summary asks for clearer lunch portions and drink options.
A reviewer who picked the boat called BOSS found it beautiful, which hints that the three checkout options differ by vessel. The listing does not say how.
Who should skip this cruise?
Skip it if you have mobility problems, because the listing marks it unsuitable for people with mobility impairments. Skip it too if you want a short outing; the Adventure RIB trip takes 2.5 hours. Not a swimmer? A boat with a pier landing such as the Symi trips on the island hopping page suits you better.
How do you book the poseidon submarine catamaran lunch cruise?
From 67 USD per person (€60) for a small-group catamaran day with lunch, drinks and three bays, free cancellation until a day before.
Check availabilityI earn a commission if you book through this link, at no extra cost to you.
Frequently asked questions
How many people does the catamaran take?
A maximum of 24 guests plus 3 crew, according to the listing.
What time does the cruise leave?
At 10:00 from Mandraki Harbor; boarding opens 30 minutes earlier.
Is alcohol included?
Yes, unlimited wine and beer from 12:00, plus soft drinks and water. The crew may refuse service to guests who are intoxicated.
What is on the lunch buffet?
Grilled chicken, pasta and potato salads, Greek and green salads, tzatziki, hummus, aubergine salad, olives, feta and bread.
Where does the boat stop?
Ladiko Bay, Anthony Quinn Bay and Kalithea Springs, with Afandou Beach as an optional extra stop. The order can vary.
Do I need to be able to swim?
The boat stays at anchor and you reach the shore by swimming. Noodles and life jackets are provided.
Is snorkelling gear included?
Yes, snorkel equipment, noodles and life jackets are listed.
What if I miss the boat?
The operator may offer another date if space allows, charging 25 EUR per person.
Does it run in October?
In April, May and October an under-booked boat can be merged into another vessel, per the listing. It states no winter schedule.
How much is it in euros?
67 USD is about €60 at the 2026-10-16 Frankfurter rate of 0.88865.
Sources: GetYourGuide listing 356695, Hellenic National Meteorological Service, Hellenic Coast Guard, Fraport Greece, Open-Meteo, Nager.Date, Frankfurter APIs.
