Guests of The Sign Kocaeli Thermal Spa Hotel & Convention Center have access to a full-service spa, 3 indoor pools, and a children's pool. You can take advantage of free parking, along with an airport shuttle for a fee. Front-desk staff can answer questions 24/7, and assist with concierge services, securing valuables, and dry cleaning/laundry. Other amenities at this luxury hotel include a steam room, free WiFi in public areas, and a conference center.