Railey Beach, surrounded by immense limestone cliffs and backed by lush jungle, is one of Thailand's most beautiful beaches. Although it's on the mainland in Krabi Province, because it's only accessible by boat, it has a desert island feel. There are Railey beaches, West Railey and East Railey. East Railey is mud flats and mangroves. It's just a few minutes by foot to West Railey, but make sure you know which beach you're staying on.