Here is a daybreak scene from my recent two week trip to Cayman Brac in the Caribbean Sea. This image was created at Pollard Bay on the south eastern side of the island on a relatively calm morning.
Nikon D800
Nikon 18-35mm lens @ 18mm
ISO 100
f16 @ 15 seconds
Singh-Ray 3-Stop Reverse Graduated Neutral Density Filter
Looking forward to comments and suggestions.