The town is overlooked from the southwest by a lighthouse, which was built in 1859, and two towers known as "Les Torretes", which are the remains of a Semaphore line constructed in the mid-19th century.
The population as much as triples in the summer holiday season.
Beach
The beach at Calella is a public beach popular in the summer months with locals and tourists. The beach is just over 2 km long and its southern stretch is quieter than the central and northern portions. The beach has been consistently awarded the European quality Blue Flag.[1]
Panareda Clopés, Josep Maria; Rios Calvet, Jaume; Rabella Vives, Josep Maria (1989). Guia de Catalunya, Barcelona:Caixa de Catalunya. ISBN 84-87135-01-3 (Spanish). ISBN 84-87135-02-1 (Catalan).