The main building offers guests a lobby, a reception desk and a large sitting room with satellite TV and an Internet corner. For children, there is a kids' club with babysitters (for children 4 years and over). The hotel comprises a total of 165 rooms distributed between the 3-storey main building and smaller 2-storey bungalows.

The Sun Palace is situated in the area of Psalidi, approximately 900 m from a long, natural beach of pebbles and sand and approximately 4 km from the centre of Kos town. There is a bus stop directly by the entrance to the hotel.

Breakfast, lunch and dinner are served buffet-style with a choice of hot and cold dishes and a salad bar. The main restaurant also offers a large veranda. Pastries, coffee and tea are served at the pool bar from 3:00 pm - 5:00 pm as well as ice cream. Local alcoholic drinks (beer, wine, ouzo, gin, rum, brandy and vodka) and soft drinks are served at the pool bar from 10:00 am to 11:00 pm. The cocktail of the day is served from 6:00 pm to 11:00 pm.