In Brief: Named after its two arches. North of Pared Verde.
Depth: 70-100ft/21-30m
Currents: Strong
Skills: Advanced
Life: schools of fish, turtles, sting rays, moray eels, groupers, crustaceans
Dive: Start at southern end of the reef, descend into the blue to the bottom. Move north beside the wall to examine its details. End at reef´s plateau.