Taken as the sun was setting, I used a neutral density filter to capture a little motion while the waves receded. I was amazed by the colours that were caught in the seaspray which are a complete contrast against the muted tones in the sand and distant water.

Canon 40D and 17-40L:
f/14 | 36mm | 1.3sec | ISO-100 | Lee 0.9 ND filter