Transform your garden patio into a nautical retreat with a beach pebble mosaic design. Use blue and white pebbles to create a wave-like pattern that mimics the ocean. Add some seagull-shaped stepping stones or a ship's wheel centerpiece to enhance the nautical theme. Incorporate some beach grasses and coastal plants to complete the look. This beach pebble mosaic garden patio will make you feel like you're on a relaxing seaside getaway right in your own backyard.