Roatán is an island in the Caribbean, about 65 kilometres off the northern coast of Honduras. It is located between the islands of Útila and Guanaja, and is the largest of the Bay Islands of Honduras. The island was formerly known in English as Ruatan and Rattan.
It is approximately 77 kilometres long, and less than 8 kilometres across at its widest point.
The island consists of two municipalities: José Santos Guardiola in the east and Roatán, including the Cayos Cochinos, further south in the west.