The Yeosu Expo, which originally ran from May to August 2012, excelled in advanced projection technologies, new aquarium techniques with multiple participation from several countries. The theme of the Expo was “The Living Ocean and Coast” with subthemes of “Preservation and Sustainable Development of the Ocean and Coast,” “New Resources Technology,” and “Creative Marine Activities. It boasted 105 participating countries, international organizations, and 8,203,956 visitors.
It opened in the southern coastal town of Yeosu, approximately 455 kilometers south of Seoul. It was the second international fair hosted by Korea, after the Taejŏn Expo '93.
The expo site for 80 exhibition halls stretched out alongside the sea with promenades and exhibit spaces extending to the island of Odongdo and the seawalls.
The Yeosu Expo also addressed global issues like climate change and the protection of the ocean through story-telling events.