South of the head of Maiviken is the lake Maivatn. It is the largest, and at  deep, also the deepest of the small freshwater lakes in the Maiviken area.
Located in the southern part of the Maiviken area is the lake Maivatn. This lake stands out as the largest and, due to its significant depth, also the deepest among the smaller freshwater bodies in the region surrounding Maiviken.