Six of the best places to sleep on sand

Mr Sandman ... the beach at Sandwood Bay, Scotland. Photograph: Ashley Cooper SpainNegotiating the spiny foliage to the hidden hippy enclave of Cala de San Pedro in the Cabo de Gata natural park is half the fun. The peculiarly alien landscape of this remote cape is intriguing: this is the costa before the Costas - nature's last stand against concrete. From the pretty