Landmark· Isla Cerralvo (Isla Jacques Cousteau)· Mexico

Punta Sur Light (Isla Cerralvo)

24° 8.2′ N · 109° 48.2′ W

The navigation light on the southern tip of Isla Cerralvo, the key mark for boats entering the Cerralvo Channel from Bahía de los Muertos or La Ventana.

Practical

Position and characteristics: SEMAR Aviso Náutico No. 422/2021 (October 11, 2021), light list number 03-355, at 24°08'14.52"N 109°48'09.9"W - four flashes every 16 seconds, nominal range 10 nm; reported restored to normal operation in 2021. Lights in Mexico can be out for long periods - check current SEMAR notices and do not rely on it alone.

Best for

Night landfall reference for the Cerralvo Channel