The Saint Constantin Hotel is located in the center of the city of Kos itself. Only 100 yards away from the hotel is the beach. This Kos hotel is also near the harbor where many of the islands most famous sites are located. There is an airport on the southwestern edge of the island, on the opposite side as the Saint Constantin Hotel.

The rooms at the Saint Constantin Hotel include junior suites, two-room apartments and standard guestrooms among their number. Satellite television service, direct-dial telephone service, coffee and tea makers and Internet connectivity are standard amenities. There are private baths in every room which are equipped with hairdryers.

The Saint Constantin Hotel has a 24-hour reception desk and guests may check out at any time during the day or night, as well. There is a bar and a café at the hotel. There is also a room where breakfast is served. Those guests who arrive at the hotel by private car may take advantage of the car park.