The first thing I did was to add more details to the waves to give them a more three dimensional look and next I added more substance to the clouds.
The palm trees seemed a little too planted so I added more trees and some growies at the base of some of them to give it a more "lush" feeling.

The beach house needed some shadows added to the one side and the doorway needed a little more definition.
I thought about adding a few seabirds to the sky and decided that I didn't want it to look cluttered so I left it alone.
This framed 7-1/4" x 12" original pen and ink drawing is available for $150.00.