Tour Details. Catamaran Cruise from Mykonos to Rhenia Island. Step aboard a stunning catamaran and cruise through the sparkling Aegean Sea on this unforgettable journey from Mykonos to Rhenia Island. Swim and snorkel in crystal-clear, secluded coves, sip drinks from the open bar, and savor freshly prepared onboard meals. As you sail, soak up panoramic views of Mykonos and nearby islands—pure bliss on the water! Itinerary Highlights • Sail to uninhabited Rhenia Island or south coast of Mykonos Island • Swim in crystal clear water of the Aegean Sea & sunbathe on the fine sand deserted beach • Savor a delicious meal and open bar aboard catamaran. Additional Info • All participants must provide their passport details (full name, passport number, and nationality) to us upon reservation as requested by the Port Authorities of Mykonos. • Cases of pregnancy, mobility and health issues should be advised before reservation. • Do not forget to bring your swimsuit, a sun hat, sunglasses, beach towels, sun protection cream & comfortable footware. • It is also advisable to bring a waterproof jacket in case of winds or cool months in early or late season. • In case of bad weather, the tour will be postponed to an alternative date which you are compelled to accept unless your stay in Mykonos has ended (in this case you will receive a full refund).