The João Valente Bank is a coral reef located between the islands of Boa Vista () and Maio (), Cape Verde.
Overview The reef stands on a seamount (guyot) about under sea level, and rises up to below the surface. The seamount rises from about . It is about long and wide, and breaking waves can already be observed at moderate wind.Deutsches Hydrographisches Institut, Handbuch der Nordatlantischen Inseln., 28 July 1934, p. 218. The reef has a high biodiversity of fish.
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