Use the power of your imagination to envision your favourite 2050 beach. South-facing, sunny, tropical hot, with crystal-clear waters, because all the fish have long since died.
I think Three Cliffs Bay in South Wales might be absolutely ideal :-
See the satellite image on : Google Maps
Oh, hang on. I’ve just checked with FloodFireTree.net, and if there is anything like a metre’s sea level rise by then, most of the sandy beach will be under water :-
Oh well. Guess that’s the end of my fantasy future beach competition. All the best beaches will be washed away.