Phra Nang Bay is one of the most visually stunning beaches in Thailand. Fine white sand and aquamarine water are flanked on either side by towering cliffs with rock formations that look like a giant's fingers reaching into the sea. The beach's southern end is home to Phra Nang Cave and its colourful shrine piled high with phalluses left by couples seeking the resident goddess' help with child conception. A single top-end resort offers beachfront on Phra Nang, so unless you're ready to shell out many thousands of baht per night, you'll need to access the beach via the public walkway from Railay East.