The blocks in the clouds and the “ghost” image of the tower come from JPEG compression. You should review your files at 100% for focus (sharpness) and at 200-300% for artefacts.
If you look at the bushes (also at 200%) you see that no detail is left, but the bushes don't look like being out of focus as with a correct DOF applied. This is typical for phone pictures, and that destroys all hope to recover the image for stock.
ABAMBO | Hard- and Software Engineer | Photographer
Also: just as a sea horizon must be level, so a vertical building must be vertical. The lighthouse has a lean. Is there a spirit level on your tripod? If not, such things can often be fixed in post, but at a potential cost in quality.
First: the white balance is off (too cool, blue) and the picture needs a geometric correction. There has been sharpening applied, but the picture does not really look sharp. The shadows (bushes) need to be lightened up.
Second: The picture is heavily over processed and has many artefacts: