The Formigas (Ants) Islets , sometimes referred to as the Formigas Bank, are a group of rock outcroppings in the eastern group of the Azores archipelago, an autonomous region of Portugal. The bank is located northeast of Santa Maria Island and southeast of São Miguel Island covering a surface area of approximately . In the same area is the submerged Dollabarat Reef. The bank is disturbed only by a lighthouse located on the largest mound.