At the foot of the Castle of Arrecife (Castillo de San Gabriel), between two dikes and facing the city, there is a small sandy beach totally isolated from the off coast and so very calm. It is in a sort of channel where bathing is possible at high tide (at low tide, some go swimming more near the city passing by the bridge of Las Bolas).
Very pleasant setting with the castle of San Grabriel build in the late 18th century to fight against the threats of pirates. Inside, there is an archaeological museum (free).