Lagoon of a Bodeira Nature · O Grove, Salnés, Pontevedra Image of O Grove, not of the place itself. A coastal freshwater lagoon set on the isthmus that joins O Grove to the mainland, beside the sandy beach of A Lanzada; it is a refuge for water birds and one of the few freshwater wetlands on the coast of Arousa. Photo: Luis Miguel Bugallo Sánchez (Lmbuga) (CC BY-SA 3.0) What to see and do in O Grove