Los Arcos
Islas Murciélagos (Bat Islands), Costa Rica
Los Arcos impresses before all for being the most extraordinary dive site of the Gulf of Papagayo for it's morphology with a steep rock which is pierced by 2 under-water arches. One of them is is just big enough for a diver and leads into a dome that opens to the sky with a chimney. The other being…