In recent years Tenby has been awarded many Blue Flag awards in recognition of its clean beaches and water. In 2011, the North Beach, the Castle Beach and the South Beach all received a Blue Flag Award and Pembrokeshire's beaches received a total of 13 Blue Flag awards, supporting the view that the area is one of the cleanest holiday destinations not just in Wales, but the entire UK.

The other winning beaches in Pembrokeshire were: Amroth, Broadhaven (North), Coppet Hall, Dale, Lydstep, Newgale, Newport, Poppit Sands, White Sands and finally Saundersfoot.