Coordinates: 42.3253970000, 3.3053020000 (map)
Directions: Drive to the Cap de Creus lighthouse (Far de Cap de Creus), park and walk 4 km along the highway towards Illa de Cullaró. If you have good hiking boots and decent cardio, you can also take the paths along the sea instead of walking on the road, by turning right at the coordinates 42.319759, 3.307245.