Salcombe Castle or Fort Charles is a ruined fortification just off the beach of North Sands in Salcombe, Devon, England, within the South Devon Area of Outstanding Natural Beauty. It is located on a rocky outcrop which is easily reached on foot at low tide. It is a Grade II listed building and ancient monument. The ruined structure includes a four-story 7 metres (23 ft) semicircular tower with gun ports near the top. It is connected by a section of wall to a rectangular tower which is 6 metres (20 ft) high.