Cozumel is world-renowned for having some of the clearest and most beautiful water in the Caribbean. The island's western coastline is sheltered from heavy Atlantic currents, resulting in calm, crystalline turquoise waters that often boast visibility exceeding 100 feet (30 meters). This exceptional clarity makes it a global "bucket list" destination for scuba divers and snorkelers, who can see vibrant coral reefs and marine life like eagle rays and sea turtles with ease. The "pretty" factor is enhanced by the white sandy floors that reflect sunlight, creating a glowing "electric blue" effect. Even on the more rugged eastern "Wild Side," where the surf is stronger and swimming is often restricted, the water remains a deep, striking sapphire. In 2026, Cozumel continues to implement strict eco-friendly practices to protect this clarity, ensuring that its waters remain as pristine and visually stunning as they were decades ago.