Abstract: A water wave breaker assembly comprising a buoyant wave breaker element including a plurality of longitudinally extending members spaced-apart from one another and defining an open cage structure; and an anchor assembly connectable to the buoyant wave breaker element and which can allow rotation of the buoyant wave breaker element when floating on a body of water. The buoyant wave breaker element can include a plurality of transversal arms extending through the open cage structure and outwardly past the longitudinally extending members. The water wave breaker assembly can be provided as a kit.