Phra Nang Cave Beach is a stunning white-sand beach surrounded by towering limestone cliffs on the tip of the Railay Peninsula. Considered one of Thailand's most beautiful beaches, it is named after the Phra Nang Cave (Princess Cave) located on its eastern side. The cave is a sacred site for local fishermen who place phallic offerings to ensure safe voyages. The beach offers excellent swimming, snorkeling near rocky headlands, and world-class rock climbing on the vertical cliffs.