Create a Zen coastal vibe in your kitchen by combining elements of Japanese Zen aesthetics with coastal decor. Use light and airy colors like white, beige, and light blue for the walls and cabinets. Incorporate natural materials like wood, bamboo, and seagrass for a beachy feel. Install open shelves to display coastal-inspired decor and kitchen essentials. Use pendant lights with a nautical touch to illuminate the space. Add a small indoor water feature or a fish tank to bring a sense of tranquility. Decorate with seashells, driftwood, and coastal artwork to complete the Zen coastal theme.