I managed to found a suitable guyot in the Vitoria Trindade Chain, east of Brazil, the Davis Bank. It rises from 4000 meters on the sea floor to less than 50 meters depth (160 feet), and has a very large flat top, around 90000 hectares (222000 acres). In the tropical southwest Atlantic, it is the only known suitable seamount, which does not belong (yet) to a national Exclusive Economic Zone (EEZ).

Davis Bank and EEZ Brazil
(Source: Marineregions)
Davis Bank contour intervals
(Courtesy and source: Marine GeoGarage with Centro de Hidrografia da Marinha do Brazil)

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