Corrected name of navigational aid, using the formal nomenclature

Added seamark data

Added Green flashing light marking the harbor entrance

The location was wrong. The previous location corresponds to a cell tower, not the navigational light. The correct location is next to the coastal road,

This navigational light is located near the coast, in a metal tower. It is difficult to see at night due to the streets lights present in the area.

The cape is named Punta Negra, as referenced in nautical charts. The surrounding area (not the cape) is commonly known as Punta Colorada.