If it's a moonlit night, you can look at the moon's reflections. Watch how the reflected light of the moon forms intricate patterns on the water, similar to the ones under a bridge or on the bottom of a swimming pool. These patterns are known as "moon circles" and can be seen when any bright point of light bounces off water.
Poetry- this book is a fantastic use of technical poetry skills and images to show the perspective of all the different animals that live among the oceans and the shores. It is a more advanced poetry book so it would be best suited for older children, but the images are captivating