To dream that you are on a Jetty implies that you are diving into your feelings. You are investigating your subliminal.

To dream that you are on a jetty means that you are delving into your emotions. You are exploring your subconscious.

To see a breakwater in your fantasy suggests that you are attempting to make a feeling of quiet around yourself.

To see a jetty in your dream implies that you are trying to create a sense of calm around yourself.