Offering a sundeck and chaise longues, Once In Mykonos - Designed For Adults Hotel Ornos lies in an entertainment area of Ornos a 6-minute walk from Ornos. The hotel features a private swimming pool, a fitness area and Wi-Fi throughout the property.

The whitewashed 17th - century Church of Paraportiani is 3 km from the exquisite hotel and the Boni's Windmill is 3.1 km away. Matogianni is also located 10 minutes' drive from the Once. Options for cultural tourism include the Rarity Gallery, situated 2.9 km away. Public bus stop lies 10 minutes' walk away.

The property features 58 rooms with a minibar fridge, coffee and tea making facilities, and such comforts as an air conditioner. Furnished with a writing desk, they also have sound-proofed windows. Guests can make use of a separate toilet and a shower along with hair dryers and bath sheets.

The 5-star Once In Mykonos - Designed For Adults Hotel serves a free American breakfast daily. A variety of Mediterranean dishes are available at the à la carte restaurant, which has sea views. This Ornos hotel has a lounge bar with complimentary drinks. It also welcomes guests with Wi-Fi and a TV. Offering contemporary dishes, Major J Breakfast & Brunch is situated 1.6 km from the Once Ornos.