The Essentia Adriatica wellness centre is situated in the Adriatic Grand Hotel which is close to the sea, enjoys a lovely view of the Bay of Kvarner and is about 10 minutes of pleasant walk from the centre of Opatija. The Adriatic Grand Hotel complex has a total of 303 rooms in two connected buildings, with 167 rooms and apartments being of the four-star category, while the remaining 136 rooms are of a three-star category. In addition to its wide ranging gastronomic offer, the hotel is particularly known for its congress activity. It has a congress centre with halls equipped with modern technology, with their accommodation capacity being from 10 to 550 people. Another facility the hotel offers is a casino.
The new Phytoaroma wellness centre is on the ground floor of the hotel, has 13 salons for massage and 5 salons for aromatic hydro-massage baths, offers specially designed treatments for facial and body care based on herbal extracts and gifts of the sea. On the 8th floor of the hotel that offers a beautiful view of the Bay of Kvarner is a sunning terrace , a swimming pool with heated sea water, the Kneipp baths, whirlpools, the Finish sauna, the ice pit and the Turkish bath.