Oceanology International 2028 in London: hotels near ExCeL

Oceanology International is the world's premier meeting point for the marine science and ocean technology communities. Held every two years at ExCeL London, the show gathers more than 500 exhibitors from around 80 countries alongside 8,000+ industry professionals, spanning offshore energy, hydrography, uncrewed vessels, environmental monitoring and coastal engineering. Across three days, visitors can step onto the exhibition floor to explore cutting-edge technology and live dockside demonstrations, join technical sessions and the Ocean Futures Forum, and connect with buyers, researchers and government representatives shaping the blue economy. Since its launch in Brighton in 1969, Oi has grown into a truly global portfolio with editions in the Middle East, China and San Diego. The London edition remains the flagship gathering for anyone working in ocean science, subsea engineering or marine renewables.