While hopping between two of Spain's most famous coastal cities, stop in an under-the-radar beach town to explore ancient architecture and hidden coves.

Mainland Spain offers a unique breed of urban beaches, with low-key surf communities, coastal restaurants and sea-facing old towns. Here are six of the best for your next break.

"Sitges Beach in Barcelona, Spain, is crowned the world’s happiest beach, with a near-perfect happiness score of 98.42 out of a possible 100," the findings revealed.