Add a touch of maritime charm to your garden patio with a beach pebble mosaic design. Use a combination of blue, white, and gray pebbles to create a mosaic pattern inspired by anchors, lighthouses, and sailboats. Add some nautical-themed accessories like a ship's anchor or a compass rose centerpiece to enhance the maritime theme. Incorporate some coastal grasses and seashells to complete the look. This beach pebble mosaic garden patio will bring a coastal charm to your outdoor space.