• ICES (International Council for the Exploration of the Sea) 1
• imaginary voyages 1
• incompressibility of water 1 et seq.
• Industrial Revolution 1, 2
• infrared ‘vision’ 1
• Institute of Oceanographic Sciences (former) 1, 2, 3, 4, 5 n
• Irish potato famine 1
• Isabella, HMS 1
• Îles du Salut 1