Kladara Beach (Bulgarian: бряг Кладара, romanized: bryag Kladara, IPA: [ˈbrʲak kɫɐˈdarɐ]) is the 2 km beach forming the south side of Yankee Harbour on the southwest coast of Greenwich Island in the South Shetland Islands, Antarctica. Bounded by the base of Provadiya Hook to the west, Oborishte Ridge to the south, and the terminus of Solis Glacier to the east. It is snow-free in summer.
The beach is named after the ancient and medieval fortress of Kladara in Southeastern Bulgaria.