Explore details about location Calle 20 Sur. Calle 20 Sur is a location situated within the San Miguel de Cozumel alongside other areas such as 25 Av. Sur Bis, Avenida Benito Juarez, Calle 9 Bis. Additionally, some smaller parts of Calle 20 Sur include specific areas like Calle 23 Sur adding to the diversity of its landscape.