The university has an arrangement with Hotel Riazor, across the street from the Riazor beach: a double room with a sea view for one person with breakfast will cost €54 per night; you can book your room yourself by contacting the hotel at reservas@riazorhotel.com but, to enjoy the special rate, please include the reference "facultad de informatica evento 18 enero". There are many other hotels in A Coruña which can be booked through, e.g., booking.com.