Sanlúcar de Guadiana has an activity group called Limitezero that offers the only cross-border zip line in the world. It provides its visitors with a unique, unforgettable experience crossing over the River Guadiana from Spain to Portugal on the first cross-border zip line in the world.

Sanlúcar de Guadiana is situated west of Villanueva de los Castillejos and sits on the very banks of the Rio Guadiana, border between Portugal and Spain. An idyllic location for water sports fans, it has got quite a name for itself due to the water sports events that are held here every year. It has 447 inhabitants.