For the walls, let's also skip the tired seascape painting, and instead try a collection of coral or shell prints:
or a collection of like finds (although resist the temptation to clutter):
Finally, for another great way to bring the ocean home, we love the idea of planning a refined dinner party outdoors using large shells for bowls. If kept simple, the look is exquisite:
-images via pheoehoward.net, housebeautiful.com, myhomeideas.com.