The best tiles for shower walls are materials that resist moisture, clean easily, and maintain long-term durability. Porcelain and ceramic tiles are the most popular because they are water-resistant, affordable, and available in countless colors, patterns, and sizes. Glass tiles are ideal for creating a bright, spa-like feel, while natural stone such as marble or travertine offers a luxurious, organic look with the right sealing and maintenance routine. The “best” option depends on your style, your budget, and how much upkeep you prefer.