create a layered coastal landscape design keep existing house structure the same blending coastal and new england styles emphasize an effortless natural flow with textured plantings and sculptural interest incorporate dramatic mounds of mondo grass as anchoring masses layered with coastal natives dune grasses and low lying shrubs for movement and depth add statement plantings and unique specimen trees to break the rhythm and create focal points keep the composition scaled to feel expansive yet refined balancing rugged salt tolerant coastal character with a cool modern design sensibility lighting and hardscape elements should feel understated but elevate the overall atmosphere the result should be a layered contemporary coastal garden lush sculptural and timelessly cool