Designed by the municipality of Eskişehir, Etı Underwater World includes more than 30 thematic aquariums hosting about 100 aquatic species from the Atlantic Ocean, the Red Sea, South American lakes and the Amazon River, as well as a 19-meter-long aquarium tunnel and 6 terrariums where poisonous amphibians are displayed. And tropical areas in an indoor area of 2400 square meters, and inside the complex there is a seashell museum, a souvenir shop, a photography area and a private cafeteria.