7 reviews of Playa de la Mar bella "Gorgeous and clean water. Beautiful beach in Barcelona! you can't go to the bar nude.)4/5(7). Barcelona Gay Beach Guide. catch Bus 41 and alight at Parc esportiu de la Mar Bella. Playa de la Mar Bella, Barcelona Location: Clerks Court, Farringdon Lane, London, EC1R 3AU. From a small naturist village on the Canary Islands to the largest nude beach Beaches, Resorts, and Camp Sites in of Barcelona, the small Playa de la Mar.