In the groups of islands at the mouth of the Amazon river, particulary on the big island of Marajó, the Maraojara culture that developed in later times is one of the finest examples of sophistication attained by the peoples in this area.

The intricate designs on its ceramics, obtained by a variety of techniques such as engraving, incising, molding and painting, are similar to the iconography of some current Amazon peoples, implying a certain cultural continuity in these lands for over a thousand years..