If Las Palmas is too big and too busy for you but you'd like to pass the afternoon on a golden sand beach in the north then this is your spot. A 10 minute drive away from Las Canteras, El Puertillo de Bañaderos is generally a quiet little beach (other than Sundays and most days during July & August).
There's a promenade that goes from the beach to the neighbouring natural sea pools and plenty of sunbathing space both there by the pools as well as on the beach.
Ther's a handful of restaurants and bars along the promenade adding to the appeal of this area and plenty of free parking.