Beachinig your watercraft on the shore for a long period of time is not a desired option because of rocks, boat swells, or changing tide. Anchoring a small boat or PWC in a river or shallow water off shore can be a challenge when your watercraft storage compartmant wont fit a full size anchor. To know more about it visit here https://www.watercraftstuff.com/PWC-Anchors_c_31.html