Platja de les Marines, Golden sand beach in Dénia, Spain

Platja de les Marines is a sandy beach in Dénia, Alicante, running 3,147 m from the Barranco de l'Alter in the north to the Barranco del Regatxo in the south, with a width of 80 m. It lies between Les Bovetes and Albaranes beaches in a built-up setting reached by street, path and road, and has marked swimming areas.

Les Marines takes its name from the marjal, the marshland behind the dunes, drained and settled over time; the beach lies between the Barranco de l'Alter to the north and the Barranco del Regatxo to the south. It borders Les Bovetes and, depending on the source, Albaranes or the Platja del Cagarritar. The shoreline is 3,147 m long and 80 m wide, in a semi-urban setting reached by street, path and road.

The beach lies between Les Bovetes and, depending on the source, Albaranes or Cagarritar, and its name refers to the sandy shore of Les Marines in Dénia. It is a wide sandy strand of about 80 metres used for swimming and sunbathing, with access from the surrounding streets, paths and road. The beach holds the Blue Flag distinction and, according to the Catalan source, ISO 9001-2000 quality-management and ISO 14001 environmental-management certificates.

The beach runs 3,147 m from the Barranco de l'Alter in the north to the Barranco del Regatxo in the south, with a width of 80 m. It is reached by street, path and road, and is accessible for people with disabilities. A marked swimming zone (balizamiento) is in place.

The beach holds a Blue Flag certification recognizing its high water quality and safety standards. This award is given only to beaches meeting strict environmental and management requirements.