Matias de Galvez (Puerto Santo Tomás de Castilla) Range Rear Lighthouse

This skeletal steel mast, standing 10 meters tall and painted white, serves as the rear range light for Puerto Santo Tomás de Castilla. It carries a large, red, triangular daymark with the point facing downward. With a focal height of 24 meters, it emits a single yellow flash every 4 seconds. Located 0.4 kilometers from Puerto Santo Tomás de Castilla, this structure provides a geographic range of 14.1 nautical miles. It is part of a range system designed to guide vessels safely into the port.

Why it matters: This range rear light is indispensable for the safe navigation of commercial vessels entering Puerto Santo Tomás de Castilla, a key port for Guatemala's trade. By aligning with its corresponding front light, it provides a precise visual guide, allowing ships to maintain a clear channel and avoid potential groundings in the busy harbor approaches.