beach beaches holiday holidays island islands ocean paradise sea summer sun surf tropical tropics vacation water blue sand skies sky waters alga birds clouds coast landscape low tide Mud nature north sea seagulls shells slit winter beauty deserted dubai empty fishmonk heat hot man made mess messy natural object oceans parasol rubbish seas shelter spoil spoilt trash ugly umbrella lifeguard structure tower beachlover boats Catalan catalonia Catalunya costa brava family fun leisure mediterranean pleasure relax rocks shore Spain spanish sunbathe chairs deserted.closed bay cove crowded paddle recreation seaside swim wave