Costa Ártabra, or Golfo Ártabro, is a coastal area of Galicia, Spain.
It is comprised between the costa da Morte and the Rías Altas; it has a maximum width of 5,800 metres, and a depth of 5,600 metres corresponding to the mouth of the River Mero [es] at Santa Cristina beach.
Pomponius Mela is a Roman historian who also wrote about the area in the year AD 43.
[citation needed] Costa Ártabra also the name of a nature reserve, a "Special Area of Conservation".
This is one of the areas in which the rare Kerry Slug is known to occur.