This was taken one super calm evening down at Penmon Point on Anglesey. The image shows the lighthouse and Puffin Island in the background with some seaweed covered rocks in the foreground.

The technical bit:
Location - Anglesey, Wales
Camera - D7000
Lens - Sigma 10-20mm F3.5 EX DC HSM @10mm
Aperture - f16
Exposure - 4 seconds
ISO - 100